CBSE Class 7 Science Chapter 11 Light Shadows And Reflections MCQs Set 02

Multiple Choice Questions (MCQs) for Class 7 Science: Chapter 11 Light Shadows And Reflections

Explore reliable objective questions for Chapter 11 Light Shadows And Reflections tailored for Class 7 learners. Utilizing these Science multiple-choice formats ensures thorough preparation and strengthens problem-solving speed for upcoming school assessments.

Practice Chapter 11 Light Shadows And Reflections MCQs for Class 7 Science

View or download the dedicated Chapter 11 Light Shadows And Reflections MCQ resource below. Practicing these 50 objective questions regularly builds familiarity with standard exam patterns and helps secure higher marks in final Science evaluations.

Question: Which pair of objects from the following list emits its own light?
A. Mars and Moon
B. Pole Star and Sun
C. Venus and Mirror
D. Moon and Mirror
Show Answer & Explanation

Answer: (B) Pole Star and Sun

Explanation:
The Pole Star and Sun both produce their own light. Stars emit light naturally, as does the Sun. Mars, Venus, and the Moon are all non-luminous—they only reflect light from other sources.

Question: In the matchbox experiment described in Activity 11.1, light was able to form a bright spot on the screen only when a certain condition was met. What was that condition?
A. The matchboxes were arranged vertically
B. All three holes remained aligned in a straight path
C. The torch lamp was brighter than normal
D. The screen was made of white material
Show Answer & Explanation

Answer: (B) All three holes remained aligned in a straight path

Explanation:
The activity demonstrated that when all three holes were not in the same line, the light spot disappeared on the screen. This proved light travels in straight lines and cannot bend around obstacles or through misaligned openings.

Question: Based on Activity 11.3, how would you categorize glass in terms of light transmission?
A. Opaque, because it blocks all light
B. Translucent, because it allows partial light passage
C. Transparent, because it allows light to pass almost completely
D. Reflective, because it redirects light
Show Answer & Explanation

Answer: (C) Transparent, because it allows light to pass almost completely

Explanation:
Glass is a transparent material through which light passes almost completely, allowing objects on the other side to be clearly visible. This contrasts with translucent materials like tracing paper, which permit only partial light transmission.

Question: A student placed a cardboard screen beside a torch and an opaque ball, yet no shadow appeared. Which component was most likely missing or incorrectly arranged?
A. The ball was made of metal instead of rubber
B. The ball was positioned between the torch and screen rather than in front of the torch
C. The screen was not dark enough to show contrast
D. The room was too brightly lit by other light sources
Show Answer & Explanation

Answer: (B) The ball was positioned between the torch and screen rather than in front of the torch

Explanation:
• Shadow formation requires three elements: a light source, an opaque object, and a surface on which the shadow appears
• The object must block light reaching the screen
• If the ball was between torch and screen, light from the torch would reach the screen directly without obstruction

Question: What would happen to the shadow of a ball if the torch were moved from far away to very close to the ball?
A. The shadow would become smaller
B. The shadow would become larger
C. The shadow would disappear completely
D. The shadow would change color
Show Answer & Explanation

Answer: (A) The shadow would become smaller

Explanation:
When the light source moves closer to an opaque object, the shadow becomes smaller. This is because the light rays spread out less when they originate from a nearby source, creating a more concentrated shadow region on the screen.

Question: In Activity 11.6, when the mirror was tilted in different ways, what was observed about the light beam?
A. The beam bent around corners
B. The beam always traveled in straight lines but changed direction at the mirror
C. The beam split into multiple beams
D. The beam became dimmer with each tilt
Show Answer & Explanation

Answer: (B) The beam always traveled in straight lines but changed direction at the mirror

Explanation:
Light demonstrated the property of reflection—it maintained its straight-line travel but changed direction when encountering the mirror surface. This showed that mirrors redirect light rather than bending it continuously.

Question: Which statement correctly describes the images formed by a plane mirror?
A. Images are larger than the object and can be projected on a screen
B. Images are the same size as the object, upright, and cannot be obtained on a screen
C. Images are smaller than the object and inverted
D. Images are the same size but appear to be on the mirror's surface
Show Answer & Explanation

Answer: (B) Images are the same size as the object, upright, and cannot be obtained on a screen

Explanation:
Plane mirrors create images that match the object in size and orientation (erect), but these images are virtual and exist behind the mirror. Importantly, they cannot be captured on a physical screen, distinguishing them from real images formed by other optical devices.

Question: If you touch your right ear while looking in a plane mirror, which ear does your image touch?
A. The right ear, appearing on the right side
B. The left ear, due to lateral inversion
C. Both ears simultaneously
D. Neither ear—the image has no hands
Show Answer & Explanation

Answer: (B) The left ear, due to lateral inversion

Explanation:
Lateral inversion occurs in plane mirror images. Left and right appear reversed from the observer's perspective, so touching your right ear results in the mirror image appearing to touch its left ear.

Question: What distinguishes the image formed inside a pinhole camera from that seen in a plane mirror?
A. Pinhole camera images are erect, while mirror images are inverted
B. Pinhole camera images can be projected on a screen, while mirror images cannot
C. Pinhole camera images are smaller than the object, while mirror images are the same size
D. Pinhole camera images appear to be behind the device, while mirror images appear in front
Show Answer & Explanation

Answer: (B) Pinhole camera images can be projected on a screen, while mirror images cannot

Explanation:
A fundamental difference is that pinhole camera images can be captured on a screen because they are real images. Mirror images, by contrast, are virtual—they appear behind the mirror and cannot be projected onto any physical screen.

Question: How many plane mirrors are arranged in a simple periscope, and what is their primary function?
A. One mirror to reflect light downward
B. Two mirrors to enable viewing of objects not directly visible
C. Three mirrors to create multiple images
D. Four mirrors to allow 360-degree vision
Show Answer & Explanation

Answer: (B) Two mirrors to enable viewing of objects not directly visible

Explanation:
A periscope uses two plane mirrors arranged in a Z-shaped configuration. The two reflections allow a person to see objects that are otherwise blocked from direct view, making it useful in submarines, tanks, and bunkers.

Question: In the kaleidoscope described in section 11.8.2, why do different patterns appear each time the device is rotated?
A. The mirrors crack slightly with each rotation
B. The colored beads shift position, and reflections combine from three mirrors to create varying arrangements
C. The light source inside the kaleidoscope changes brightness
D. The tracing paper becomes less transparent over time
Show Answer & Explanation

Answer: (B) The colored beads shift position, and reflections combine from three mirrors to create varying arrangements

Explanation:
Three mirrors arranged triangularly within the kaleidoscope create multiple reflections of the colored beads or bangles. When rotated, the beads move to new positions, and the overlapping reflections combine to form unique symmetrical patterns each time.

Question: Based on the chapter's discussion of materials and light, why can we see clearly through a window pane but not through a brick wall?
A. Brick walls are thicker than glass windows
B. Glass is transparent while brick is opaque, allowing different amounts of light transmission
C. Brick walls reflect light while glass windows absorb it
D. Windows use special coatings that brick walls do not have
Show Answer & Explanation

Answer: (B) Glass is transparent while brick is opaque, allowing different amounts of light transmission

Explanation:
Glass is a transparent material permitting nearly complete light transmission, enabling clear visibility through it. Brick is opaque—it blocks light entirely because its structure prevents light rays from passing through.

Question: In Activity 11.4, the chapter notes that changing the color of an opaque object did not affect the color of its shadow. What principle explains this observation?
A. Shadows are always gray regardless of the object's color
B. Shadows are the absence of light, so object color is irrelevant to shadow formation
C. Colored light cannot form shadows on screens
D. Opaque objects change light wavelengths before creating shadows
Show Answer & Explanation

Answer: (B) Shadows are the absence of light, so object color is irrelevant to shadow formation

Explanation:
A shadow is fundamentally a dark region where light is blocked. Since shadows result from the absence of light rather than from light interacting with the object's pigment, the object's color has no bearing on shadow color.

Question: The chapter mentions that fireflies are declining in certain regions due to multiple factors. Which of the following was NOT listed as a cause of their decline?
A. Light pollution from artificial sources
B. Reduction in forest cover
C. Excessive tourism in their habitats
D. Hunting by nocturnal predators
Show Answer & Explanation

Answer: (D) Hunting by nocturnal predators

Explanation:
The chapter specifically identifies three reasons for firefly decline: light pollution, reduced forest cover, and excessive tourism. Predation by nocturnal animals is not mentioned as a factor in their disappearance.

Question: How does the straight-line travel of light explain why you cannot see around corners in a dark hallway?
A. Light moves too slowly to reach around corners
B. Light travels in straight paths and cannot bend, so it cannot reach behind the corner to illuminate the hallway
C. Corners absorb all available light
D. Dark hallways have no light source to bend around objects
Show Answer & Explanation

Answer: (B) Light travels in straight paths and cannot bend, so it cannot reach behind the corner to illuminate the hallway

Explanation:
Since light travels in straight lines and does not bend around obstacles or corners, it cannot reach the area beyond the corner unless it bounces off a surface. This fundamental property of light behavior prevents us from seeing into hidden spaces without a direct line of sight to a light source.

Question: Aranmula Kannadi, mentioned in the Fascinating Facts section, represents a unique cultural preservation of which craft?
A. Glass mirror manufacturing from ancient times
B. Metal surface mirror making, an art form that largely disappeared when glass mirrors were invented
C. Transparent material creation for windows
D. Shadow puppet theater techniques
Show Answer & Explanation

Answer: (B) Metal surface mirror making, an art form that largely disappeared when glass mirrors were invented

Explanation:
The chapter notes that when glass mirrors became popular, metal mirror-making became a lost art. Aranmula Kannadi in Kerala demonstrates the survival of this traditional metal mirror-crafting technique, preserving knowledge that survived centuries despite the shift to glass.

Question: Why would AMBULANCE be written in reverse letters on the front of an ambulance vehicle?
A. To confuse other drivers into moving faster
B. So that when viewed in a rear-view mirror of another vehicle, it appears correctly due to lateral inversion
C. To make the vehicle look more professional
D. To indicate the vehicle's direction of travel
Show Answer & Explanation

Answer: (B) So that when viewed in a rear-view mirror of another vehicle, it appears correctly due to lateral inversion

Explanation:
The reverse writing compensates for lateral inversion in mirrors. When a following driver looks at the ambulance through their rear-view mirror, the reversed text appears correct, allowing them to quickly recognize and respond to the emergency vehicle.

Question: According to the chapter's "Dive Deeper" section on light refraction, what remarkable property can light sometimes exhibit?
A. Light can become stationary under certain conditions
B. Light can bend around corners in specific circumstances
C. Light changes color when traveling through water
D. Light can travel faster through opaque materials
Show Answer & Explanation

Answer: (B) Light can bend around corners in specific circumstances

Explanation:
The chapter mentions that despite light generally traveling in straight lines, it can sometimes bend around corners—a phenomenon related to diffraction that students will study in higher grades. This is presented as an exception to the straight-line rule under specific conditions.

Question: In shadow puppetry traditions like Tholu Bommalata mentioned in the chapter, how is the visual effect created for the audience?
A. Actors perform behind a lit screen wearing dark costumes
B. Flat puppet figures are positioned between a light source and a screen, with their shadows visible to viewers
C. Colored transparent films are placed over bright light sources
D. Mirrors reflect images of puppets onto a wall
Show Answer & Explanation

Answer: (B) Flat puppet figures are positioned between a light source and a screen, with their shadows visible to viewers

Explanation:
Shadow puppetry relies on the fundamental principle that shadows form when an opaque object blocks light from reaching a screen. The puppeteers position flat figures between the light and screen, creating dramatic silhouettes that audiences view from the opposite side of the screen.

Question: If you were constructing a pinhole camera and wanted a brighter image on the screen, which modification would be most effective?
A. Making the pinhole larger
B. Using a longer box between the pinhole and screen
C. Using more transparent paper on the screen
D. Increasing the brightness of the object being photographed
Show Answer & Explanation

Answer: (A) Making the pinhole larger

Explanation:
Enlarging the pinhole allows more light to enter the camera, resulting in a brighter image on the screen. However, there is a trade-off: too large a pinhole would reduce image sharpness since light rays would overlap significantly rather than forming a precise, inverted image.

Question: The chapter describes a laser beam experiment where milk is added to water. Why was the milk necessary for this observation?
A. Milk neutralizes the laser's intensity to make it safe
B. Milk absorbs some of the laser light to slow it down
C. Milk particles scatter the laser light, making the beam path visible and demonstrating that light follows a straight path
D. Milk changes the refractive index of water to bend light
Show Answer & Explanation

Answer: (C) Milk particles scatter the laser light, making the beam path visible and demonstrating that light follows a straight path

Explanation:
Adding milk creates tiny particles suspended in water that scatter the laser light. This scattering makes the laser beam visible along its entire straight path, allowing observers to clearly see that light travels in a straight line even through the medium of water.

Question: Why would a translucent material create a lighter shadow than an opaque material when placed in identical lighting conditions?
A. Translucent materials are always thinner than opaque ones
B. Some light passes through translucent material, reducing the darkness of the shadow region, whereas opaque materials block all light
C. Translucent materials have reflective properties that brighten their surroundings
D. The color of translucent materials naturally produces lighter shadows
Show Answer & Explanation

Answer: (B) Some light passes through translucent material, reducing the darkness of the shadow region, whereas opaque materials block all light

Explanation:
Translucent materials permit partial light transmission. When positioned in a light beam, they block some light while allowing some to pass through, creating a lighter shadow. Opaque materials block light completely, producing fully dark shadows.

Question: Based on the chapter's description of Activities 11.7 and 11.8, how does the distance between you and a plane mirror relate to the apparent position of your image?
A. The image always appears at the same distance behind the mirror regardless of your distance from it
B. As you move closer to the mirror, the image appears to move closer to the mirror as well
C. The image appears progressively farther away as you approach the mirror
D. The image's distance from the mirror is always twice your distance from the mirror
Show Answer & Explanation

Answer: (B) As you move closer to the mirror, the image appears to move closer to the mirror as well

Explanation:
When you stand at different distances from a plane mirror, your image's distance from the mirror changes proportionally. Moving closer to the mirror results in the image appearing closer to the mirror, maintaining a relationship where the image appears to be the same distance behind the mirror as you are in front of it.

Question: Fireflies in the Western Ghat region use light primarily for which purpose, as mentioned in the opening narrative?
A. To attract mates for reproduction
B. To communicate with each other
C. To navigate through dense forests
D. To warn predators of their toxicity
Show Answer & Explanation

Answer: (B) To communicate with each other

Explanation:
The chapter explicitly states that fireflies use light to communicate, as explained by Jatin's grandparents to Keshav during their vacation in the village.

Question: When light passes through different materials in Activity 11.3, how does the behavior of light through glass differ from its behavior through cardboard?
A. Light is completely blocked by glass but passes through cardboard
B. Glass allows almost complete passage of light while cardboard blocks it
C. Both materials allow equal amounts of light to pass through
D. Cardboard is translucent while glass is opaque
Show Answer & Explanation

Answer: (B) Glass allows almost complete passage of light while cardboard blocks it

Explanation:
In Activity 11.3, students observe that transparent materials like glass allow light to pass almost completely through them, whereas opaque materials like cardboard block light entirely. Glass is classified as transparent because of this property.

Free study material for Science

Multiple Choice Questions (MCQs) for Class 7 Science Chapter 11 Light Shadows And Reflections

Class 7 Science Chapter 11 Light Shadows And Reflections Objective Test Questions

Explore reliable practice questions for Chapter 11 Light Shadows And Reflections tailored for Class 7 Science learners. Use these multiple-choice formats to evaluate preparedness and strengthen problem-solving skills.

NCERT-Aligned Objective Questions and Solutions

Each question includes structured solution keys mapped directly to standard CBSE textbooks, helping students evaluate their reasoning and correct mistakes early in their revision.

Next Steps in Your Exam Preparation

Explore our broader library of printable assignments, chapter notes, and mock tests designed to support continuous revision and secure higher marks in CBSE assessments.

FAQs

Where can I access latest CBSE Class 7 Science Chapter 11 Light Shadows And Reflections MCQs Set 02?

You can get most exhaustive CBSE Class 7 Science Chapter 11 Light Shadows And Reflections MCQs Set 02 for free on StudiesToday.com. These MCQs for Class 7 Science are updated for the 2026-27 academic session as per CBSE examination standards.

Are Assertion-Reasoning and Case-Study MCQs included in the Science Class 7 material?

Yes, our CBSE Class 7 Science Chapter 11 Light Shadows And Reflections MCQs Set 02 include the latest type of questions, such as Assertion-Reasoning and Case-based MCQs. 50% of the CBSE paper is now competency-based.

How do practicing Science MCQs help in scoring full marks in Class 7 exams?

By solving our CBSE Class 7 Science Chapter 11 Light Shadows And Reflections MCQs Set 02, Class 7 students can improve their accuracy and speed which is important as objective questions provide a chance to secure 100% marks in the Science.

Do you provide answers and explanations for CBSE Class 7 Science Chapter 11 Light Shadows And Reflections MCQs Set 02?

Yes, Science MCQs for Class 7 have answer key and brief explanations to help students understand logic behind the correct option as its important for 2026 competency-focused CBSE exams.

Can I practice these Science Class 7 MCQs online?

Yes, you can also access online interactive tests for CBSE Class 7 Science Chapter 11 Light Shadows And Reflections MCQs Set 02 on StudiesToday.com as they provide instant answers and score to help you track your progress in Science.