General Science MCQs

Light Questions with solutions MCQs

1. Chandan wants to design a solar furnace that will focus sunlight at one spot to boil water. Which of the following should Chandan use to collect large amount of solar enery?

A

Concave Mirror

B

Convex Mirror

C

Plane Mirror

D

Biconvex lenses

Light General Science
Correct Answer : A
Explanation :

A concave mirror is used in the design of solar furnaces because they converge the parallel sun rays at a point. This helps to increase the temperature of the furnace. Temperature can reach upto 3500 degree C

Correct Answered :

Wrong Answered :

2. The phenomenon of splitting of light into its colours is known as _________.

A

Reflection

B

Polarization

C

Dispersion

D

Interference

Light Health Educator Set 2
Correct Answer : C
Explanation :

The separation of visible light into its different colors is known as dispersion.

Correct Answered :

Wrong Answered :

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