Light

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Question

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Question 1 :

Light is a form of

1. Light is a form of
2. Energy
3. Power
4. Heat
Answer
18098

Question 2 :

Bouncing back of light in same medium is called

1. Retardation
2. Rarefaction
3. Refraction
4. Reflection
Answer
18099

Question 3 :

When light bounces off a surface, the surface is

1. Transparent
2. Translucent
3. Reflector
4. Opaque
Answer
18100

Question 4 :

A common magnifying glass is an example of

1. Convex lens
2. Concave mirror
3. Concave lens
4. Convex mirror
Answer
18101

Question 5 :

Concave mirror is used in head light of vehicle as

1. It reflect the parallel beam of light
2. It can be easily cleaned
3. It is easy to use
4. It forms the strong beam of light
Answer
18102