Light MCQ question and answer with solution

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Each section contains 100 MCQs on Light .

The technique to integrate and mark the image of a three dimensional object is

A) Audiography B) Lexieography C) Photography D) Holography

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

An object is placed at the center of curvature of a concave mirror. Where will its reflection occur:

A) At a point between focus and center of curvature B) Focus C) Beyond the center of curvature D) Center of curvature

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

Suppose a rocketship is proceeding from the Earth at a speed of $${\frac{2}{{10}}^{th}}$$ the velocity of light. A light in the rocketship appears blue to the passengers on the ship. What colour would it appear to an observer on the Earth?

A) Blue B) Orange C) Yellow D) Yellow-Orange

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

Which of the following pairs of position of object - position of image - size of image, of image is not correct for concave mirror?

A) At F - At infinity - Highly enlarged B) Between C and F - Beyond C - Enlarged C) Beyond C - Between F and C - Diminished D) At infinity - At C - Highly diminished

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

Which is not a primary colour?

A) Black B) Yellow C) Red D) Blue

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

The focusing in the eye is done by

A) Change in the convexity of the lens B) To and fro movement of the lens C) To and fro movement of the retina D) Change in the refractive index of the eye fluid

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

Tyndall effect is related to the . . . . . . . . . of light.

A) reflection B) scattering C) dispersion D) refraction

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Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

Which of the following is not used to make lenses?

A) Soil B) Water C) Glass D) Plastic

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

In a periscope, the two plane mirrors are kept

A) parallel to each other B) perpendicular to each other C) at an angle of 60° with each other D) at an angle of 45° with each other

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

The absolute refractive index of any medium is always:

A) 1 B) more than one C) less than one D) 0

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

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Light MCQ question and answer with solution | Physics Gk MCQs