Light Worksheet-8

Light Worksheet-8

1. During lunar eclipse the shadow of :

(a) the moon falls on earth         (b) the earth falls on moon

(c) the earth falls on sun             (d) the moon falls on sun

2. Lunar eclipse takes place on :

(a) full moon                                 (b) half moon

(c) crescent moon                        (d) new moon

3. Which is an opaque body?

(a) Diamond                                  (b) Matchstick

(c) Tissue paper                            (d) Distilled water

4. A source of light which is of the size of a common pin head is called :

(a) pin source of light                  (b) fine source of light

(c) point source of light               (d) None of these

5. The bodies which do not give light energy of their own, but reflect the light falling on them are called :

(a) opaque bodies                         (b) reflecting bodies

(c) non-luminous bodies            (d) All of these

6. Which is not a non-luminous body?

(a) Planets         (b) Stars             (c) Comets         (d) Moon

7. In the case of reflection,

(a) Virtual image is on the same side as the object

(b) Real image is on the other side of the reflector

(c) Both virtual and real images are on the same side as the object

(d) None of these

8. Moonlight is

(a) Light emitted by moon

(b) Sunlight reflected by moon

(c) Light from milky way reflected by moon

(d) None of these

Answer Key:

1. (b)
2. (a)
3. (b)
4. (c)
5. (c)
6. (b)
7. (d)
8. (b)