CBSE Class 8 Science Light MCQs

Science Objective Questions and Answers: Chapter 16 Light

Explore reliable objective questions for Chapter 16 Light tailored for Class 8 learners. Utilizing these Science multiple-choice formats ensures thorough preparation and strengthens problem-solving speed for upcoming school assessments.

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Access the complete set of multiple-choice questions for Chapter 16 Light below. This focused format allows students to isolate specific topics for thorough review and uninterrupted practice alongside official CBSE textbooks.

Chapter 16

LIGHT

 

Question. If the angle of incidence of light falling on a plane mirror is 30degree, what will be the angle of reflection?
a) 90 degree
b) 60 degree
c) 30 degree
d) 0 degree

Answer: C

 

Question. When we stand in front of our dressing table, our left hand seems to be right and right seems to be left. This is called
a) Left-right confusion
b) Lateral inversion
c) Up -side down phenomenon
d) mirage

Answer: B

 

Question. Light passing through a prism splits into seven colours. This is called
a) Dispersion
b) Dissolution
c) Division
d) None of the above

Answer: A

 

Question. Rainbow is a natural phenomenon showing
a) Reflection
b) Deflection
c) Dispersion
d) Diversion

Answer: C

 

Question. In the retina of the eye, the area having no sensory cells is called
a) iris
b) Blind spot
c) cornea
d) Dark spot

Answer: B

 

Question. If light falls perpendicularly on a plane mirror, what will be the angle in which it will be reflected?
a) 45 degrees
b) 90 degrees
c) 180 degrees
d) 360 degrees

Answer: B

 

Question. Which of the following is not a luminous object?
a) sun
b) candle
c) moon
d) Tube light

Answer: C

 

Question. To make a kaleidoscope we require
a) Three plane mirrors
b) Four plane mirrors
c) Three glass sheets
d) Four glass sheets

Answer: A

 

Question. In our eye _______cells can sense colour
a) Rod
b) Cone
c) Both rod and cone
d) Neither rod nor cone

Answer: B

 

Question. An owl can see clearly at night but not day time because it has
a) More rods and few cones
b) Less rod and more cones
c) More rods and more cone
d) Less rods and less cones

Answer: A

In the following videos we have explained you about the concept of Light and its properties. Watch this video to understand the concepts and also post your questions and comments in the comments section

Part 1

Part 2

 

Question. Which of the following results in diffused reflection?
(a) Plane mirror
(b) Shiny surface
(c) Silver
(d) Wood
 
Answer : D
 
Question. Kaleidoscope is based on the pattern of:
(a) reflection
(b) multiple reflection
(c) spectrum
(d) diffused reflection
 
Answer : B
 
Question. If the angle of incidence is 50°, then calculate the angle between the incident ray and the reflected ray.
(a) 50°
(b) 100°
(c) 130°
(d) 80°
 
Answer : B
 
Question. The perpendicular drawn to the reflecting surface is called
(a) normal
(b) incident ray
(c) reflected ray
(d) none of these
 
Answer : A
 
Question. Visually impaired people can read and write using:
(a) Degital pens
(b) Electronic writer
(c) Braille system
(d) Hearing aids
 
Answer : C
 
Question. The angle of reflection is equal to the angle of incidence
(a) Sometimes
(b) Always
(c) Never
(d) Under special case
 
Answer : B
 
Question. Band of seven colours is called
(a) VIBGYOR
(b) dispersion
(c) spectrum
(d) reflection
 
Answer : C
 
Question. What is the nature of image formed on the retina of human eye of an object?
(a) Virtual and erect
(b) Virtual and inverted
(c) Real and erect
(d) Real and inverted
 
Answer : D
 
Question. The cells present in the retina of eye and responding to colour are:
(a) Rod-shaped cells
(b) Both of these
(c) Cones
(d) None of these
 
Answer : C
 
Question. Far point of a normal human eye is situated at:
(a) 25 m
(b) 25 mm
(c) 25 cm
(d) Infinity
 
Answer : D
 
Question. With what is glass coated in order to convert it into a mirror?
(a) Silver
(b) Copper
(c) Aluminium
(d) Platinum
 
Answer : A
 
Question. What is the name of object through which light can pass?
(a) Opaque
(b) Translucent
(c) Transparent
(d) Luminous
 
Answer : C
 
Question. A mirror has ____ surface.
(a) rough
(b) polished
(c) dark
(d) all of these
 
Answer : B
 
Question. Which of the following is not a source of light:
(a) Tubelight
(b) The sun
(c) The moon
(d) Fire fly
 
Answer : C
 
Question. Beam of light, bounced back by the surface after falling on it is called
(a) Reflecting ray
(b) Incident ray
(c) Refracted ray
(d) normal
 
Answer : A
 
Question. Which Of The Following Represents The Correct Statements?
(a) Outer zone of complete combustion is the hottest part which is blue in colour.
(a) Middle zone of partial combustion is the moderate hot part which is yellow in colour.
(a) Innermost zone of unburnt wax vapours is least hot which is black in colour.
(a) All the above
 
Answer : D
 
Question. Mohan Is Writing Some Statements, Choose The Correct Statements And Help Him:
(a) Phosphorus is the only non-metal which catch fire if exposed to air.
(b) The lowest temperature at which a substance catches fire is called its ignition temperature.
(c) Combustion is a chemical process in which a substance reacts with oxygen to give off heat.
(d) All the above
 
Answer : D
 
Question. Consider The Following Statements, Choose The Incorrect One:
(a) The forest fires occur during the hottest summer day.
(b) It is very difficult to burn a heap of dry leaves.
(c) The head of matchstick contains only antimony tri-Sulphide and potassium chlorate.
(d) All the above
 
Answer : B
 
Question. The Substance That Does Not Burn With Flame Is:
(a) LPG
(b) Camphor
(c) Dry grass
(d) Charcoal
 
Answer : D
 
Question. A full length image of a distant tall building can definitely be seen by using
(a) a concave mirror
(b) a convex mirror
(c) a plane mirror
(d) both concave as well as plane mirror
 
Answer : B
 
 
 

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FAQs

Where can I access latest CBSE Class 8 Science Light MCQs?

You can get most exhaustive CBSE Class 8 Science Light MCQs for free on StudiesToday.com. These MCQs for Class 8 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 8 material?

Yes, our CBSE Class 8 Science Light MCQs 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 8 exams?

By solving our CBSE Class 8 Science Light MCQs, Class 8 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 8 Science Light MCQs?

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