Question

No.1 Answer the following in short:-(1 sentence)
1) What is light?
2) When does lunar eclipse takes place?
3) What do you mean by source of light?
4) What happen to the image formed in a pinhole camera if the size of the hole is increasd?
5) What is a screw?

Answer 1

Answer:

I think the answer of what do you mean by source of light....is something that gives off light is called source of light

example-candle,stars electric bulb

Answer 2

1.ANS. Light is a form of energy it helps us to see things in the dark examples : candle , torch , sunlight LED
5 Answer see in picture