Question

Tick the correct option:
1. If the image cannot be taken on the screen it must be:
a) real
b) virtual
c) real or virtual
2.
When the object is place at the centre of curvature before a concave mirror, the
image will be formed at
a) focus
b) centre of curvature
c) between C and F
3. The speed of light is
km per second .
a) 312500
b) 235400
c)
4.
576800
Angle of incidence is
to/than angle of reflection.
a) equal
b) double
c)
Which of the following object gives regular reflection?
a) Stone
b) Wood
c) Mirror
​

Answer 1

Answer:

real

focus

b

equal

mirror

Answer 2

Answer:

1.virtual

2.focus

3.3 lakh

4.equal

5.mirror

Explanation: