Welcome! Check out NTSE SAT Physics Light Eye and Optical Instrument MCQs given below. Get multiple choice questions for NTSE SAT Light Eye and Optical Instrument Physics with answers, following current NTSE, NCERT, and KVS guidelines. Explore more chapter-wise MCQs for NTSE NTSE SAT Physics and download helpful study resources for all subjects.
MCQ for NTSE SAT Physics Light Eye and Optical Instrument
Check out the 50 questions with answers for NTSE SAT Physics to build a strong grasp of every topic in Light Eye and Optical Instrument.
Get Light Eye and Optical Instrument MCQs for NTSE SAT Physics
Question: magnifying power of an astronomical telescope is 15. Then ratio of the focal length of the objective to the focal length of the eye piece is :
- a) 15
- b) 1/15
- c) 11.5
- d) None
Answer: 15
Question: The defect of vision in which person can seen distant objects clearly but nearly object looks blurred is :
- a) Myopia
- b) Astigmatism
- c) Hypermetropia
- d) Presbyopia
Answer: Hypermetropia
Question: In compound microscope then lens with lesser focal length is called :
- a) Objective lens
- b) Eye lens
- c) Micro scopic lens
- d) Concave lens
Answer: Objective lens
Question: The distance of the eye lens from the retina is x. For a normal eye, the maximum focal length of the eye lens is :
- a) < x
- b) > x
- c) 2x
- d) x
Answer: x
Question: A long sighted person has a minimum distance of distinct vision of 50 cm. He wants to reduce it to 25 cm. He should use a :
- a) Concave lens of focal length 25 cm.
- b) Concave lens of focal length 50 cm.
- c) Convex lens of focal length 25 cm.
- d) Convex lens of focal length 50 cm.
Answer: Convex lens of focal length 50 cm.
Question: In the human eye, which part of the eye receives the optical image of the object and then converts it into optical pulses ?
- a) Cornea
- b) Sclerotic
- c) Eye lens
- d) Retina
Answer: Retina
Question: Primary pigments are :
- a) Red, Blue, Yellow
- b) Red, Cyan, Magenta
- c) Yellow, Cyan, Magenta
- d) Blue, Cyan, Magnet
Answer: Yellow, Cyan, Magenta
Question: A lens used as magnifying glass is :
- a) Double convex
- b) Double concave
- c) Any spherical lens
- d) None of these
Answer: Double convex
Question: The intensity of scattered light depends on the wavelength of incident light ?
- a)
- b)
- c)
- d)
Answer:
Question: A Student needs a lens of power -2.0 dioptre to correct his distant vision. The focal length of the given less is :
- a) + 50 cm
- b) - 50 cm
- c) 100 cm
- d) -100 cm
Answer: - 50 cm
Question: Power of accommodation (max, variation in power of eye lens) of a normal eye is about :
- a) 1D
- b) 2D
- c) 3D
- d) 4D
Answer: 4D
Question: Least distance of distinct vision of a long-sighted man is 40 cm. He wish to reduce it to 25 cm by using a lens, the focal of the lens is :
- a)
- b)
- c) + 200 cm
- d) -200 cm
Answer:
Question: In a compound microscope, magnifying powers of objective and eye lenses are m1 and m2 respectively. The magnifying power of the microscope will be :
- a) m1m2
- b) m1 + m2
- c) m1 - m2
- d)
Answer: m1m2
Question: A compound microscope has an objective of focal length 0.5 cm and an eyepiece of focal length 2.5 cm. If its tube length is 25 cm. Calculate what will be the magnifying power of the microscope.
- a) 500
- b) 400
- c) 300
- d) 200
Answer: 500
Question: The focal length of eye lens and object lens of a telescope is 4 mm and 4cm respectively. If final image of an far object is at ∞. Then the magnifying power and length of the tube are :
- a) 10, 4.4 cm
- b) 4, 44 cm
- c) 44, 10 cm
- d) 10, 44 cm
Answer: 10, 4.4 cm
Question: The defect of vision in which person can seen distant objects clearly but nearly object looks blurred is :
- a) Myopia
- b) Astigmatism
- c) Hypermetropia
- d) Presbyopia
Answer: Hypermetropia
Free study material for Physics
Light Eye and Optical Instrument Objective Questions & Solutions for NTSE SAT Physics
MCQs for Light Eye and Optical Instrument Physics NTSE SAT
Utilize these MCQs for Light Eye and Optical Instrument to test your mastery of the chapter efficiently. Formatted under recent NTSE guidelines for NTSE SAT Physics, these multiple-choice exercises support steady learning. Working through these objective questions daily leads to better academic performance.
Core Objective Practice Sets for Light Eye and Optical Instrument
Our expert teachers have designed these Physics MCQs based on the official NCERT book for NTSE SAT. We have identified all questions from the most important topics that are always asked in exams. After solving these, please compare your choices with our provided answers. For better understanding of Light Eye and Optical Instrument, you should also refer to our NCERT solutions for NTSE SAT Physics created by our team.
Online Practice and Revision for Light Eye and Optical Instrument Physics
To prepare for your exams you should also take the NTSE SAT Physics MCQ test for this chapter on our website. This will help you improve your speed and accuracy and it is also free for you. Regular revision of these Physics topics will make you an expert in all important chapters of your course.
FAQs
You can get most exhaustive NTSE SAT Physics Light Eye and Optical Instrument MCQs for free on StudiesToday.com. These MCQs for NTSE SAT Physics are updated for the 2026-27 academic session as per NTSE examination standards.
Yes, our NTSE SAT Physics Light Eye and Optical Instrument MCQs include the latest type of questions, such as Assertion-Reasoning and Case-based MCQs. 50% of the NTSE paper is now competency-based.
By solving our NTSE SAT Physics Light Eye and Optical Instrument MCQs, NTSE SAT students can improve their accuracy and speed which is important as objective questions provide a chance to secure 100% marks in the Physics.
Yes, Physics MCQs for NTSE SAT have answer key and brief explanations to help students understand logic behind the correct option as its important for 2026 competency-focused NTSE exams.
Yes, you can also access online interactive tests for NTSE SAT Physics Light Eye and Optical Instrument MCQs on StudiesToday.com as they provide instant answers and score to help you track your progress in Physics.