Light MCQ question and answer with solution

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Each section contains 100 MCQs on Light .

The principle reason why it is better to have two eyes than one is that

A) By having two eyes we can distinguish colour easily B) By having two eyes we can easily see in the dark as well in dim light C) It gives a man a type of vision known as mosaic vision D) It enhances distance and depth perception in us

Discuss

Answer & Solution

Answer: Option D

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

Rainbow is formed by . . . . . . . . by drops of water.

A) reflection of light B) refraction of light C) reflection and refraction of light D) diffusion of light

Discuss

Answer & Solution

Answer: Option C

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

In solar eclipse

A) moon comes between the sun and the earth B) earth comes between the sun and the moon C) sun comes between the moon and the earth D) None of the above

Discuss

Answer & Solution

Answer: Option A

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

What is the speed of light in air?

A) 3 × 10⁵ m/s B) 3 × 10⁴ m/s C) 3 × 10⁸ m/s D) 3 × 10⁶ m/s

Discuss

Answer & Solution

Answer: Option C

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

Hydroscope is an instrument that shows changes in

A) latitude measuring B) intensity of sound C) high temperature D) None of the above

Discuss

Answer & Solution

Answer: Option D

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

In which mirror, image formed is virtual, correct and point sized?

A) Plane B) Convex C) Concave D) No option is correct

Discuss

Answer & Solution

Answer: Option B

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

On a rainy day, small oily films on water show brilliant colours. This is due to

A) scattering B) interference C) refraction D) polarisation

Discuss

Answer & Solution

Answer: Option B

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

With stereotypical symbols, what is the lens formula?

A) $$\frac{1}{v} - \frac{1}{u} = \frac{1}{f}$$ B) $$\frac{1}{u} - \frac{1}{v} = \frac{1}{f}$$ C) $$\frac{1}{v} + \frac{1}{u} = \frac{1}{f}$$ D) u + v = f

Discuss

Answer & Solution

Answer: Option A

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

Scattering of sunlight occurs due to the presence of

A) Crust B) Atmosphere C) Mantle D) Core

Discuss

Answer & Solution

Answer: Option B

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

Due to atmospheric refraction, sunrise in advanced and sunset is delayed by about

A) 1 minute B) 2 minute C) 4 minute D) 3 minute

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