Name three objects which produce their own light.
Important Questions on Light, Shadows, and Reflections
Some objects do not create their own light but reflect light from other sources. Name such objects that we see by their reflected light.
How can you see the pages of a book that you read at night?
We can see tables and chairs in a room during the daytime. Why can we see them?
Why cannot you see the table and chair in a room when it is dark ?
Choose the transparent, translucent and opaque materials from the following :
Tracing paper, Cardboard, Ground-glass, Clear glass, Water, Air, Brick wall, Aluminium sheet.
State any two observations from everyday life which show that light travels in straight lines.
State two differences in the pinhole camera images and shadows.
We can see the sun because it is glowing. How are we able to see the moon ?
