Question

SOLVE THE WORKSHEET IN YOUR NOTES COPY
Q1. Tick the correct option:
1. Virendra is doing his homework given by his teacher. Would you help him to
choose the correct sentences?
A. We can see many things kept in a room during the day on which sunlight does
not fall directly.
B. We cannot see an object if light from that object does not reach our eyes.
C. We can see the tree, wall, etc because they reflect the light falling on them, in all
directions.
D. All the above.
then the bird obstructs the sunlight​

Answer 1

Answer:

c

Explanation:

Answer 2

D. All the above is the correct answer.

1. The objects do not have their own lights and hence are visible by reflecting the light that they receive.
2. Luminous objects are the source of light, which are sun, flame, fire. Illuminated objects receive the light, with common example being moon, tree etc.
3. Light or visible part of electromagnetic radiation is the part of electromagnetic spectrum. Out of the latter, the visible light has the wavelength 400-700 nanometres.