1.
Light travels in
2.
When an opaque object comes in the path of light it forms
3.
Which types of objects do not allow light to pass through them?
4.
Which is an example of a translucent object?
5.
Bouncing back of light from shining surfaces is called
6.
What is lateral inversion?
7.
Which letters of English alphabet will not show lateral inversion?
8.
Which is a device to image the sun?
9.
Which of the following is a cold source of light?
10.
Out of these, which one is not a man-made luminous body?