Question

1. If a parallel beam of light falls on a convex lens, it

a)	it diverges.

b)	is reflected back.

c)	converge at the focal point.

d) stays parallel

2. The angles of incidence and reflection

a)	are measured from a normal to the reflecting surface.

b)	can never be equal.

c)	add to 90°.

d)	are not related.

3. A real image is one

a)	which can't be projected in a screen.

b)	none of the other answers are true.

c)	which can be projected in a screen.

d)	which is the object itself.

4. If a parallel beam of light falls on a concave lens, it

a)	diverges so that it appears that it diverges from the focal point at the same side.

b)	converge at the focal point.

c)	is reflected back.

d)	stays unaffected.

5. An object placed between the focal point and a convex lens

a)	all the other statements are true.

b)	produces a virtual image

c)	produces an upright and larger image

d)	is used as a magnifying glass.

  

Answer 1

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