Question

1. Why is the Moon not considered as a non-luminous body?
2. State difference between transparent and translucent objects with examples.
3. When does a shadow form?
4. Write any three differences between shadow and image.
5. Define reflection of light

Answer 1

Answer:

1. Luminous objects are those which emit light on their own like stars, sun, etc. ... Moon doesn't give off light of its own, that's why the moon is considered a non-luminous body. All its light we see is reflected from the sun and to a very minor effect, from the reflection of sunlight off the earth.

medium from which it originat

Answer 2

Answer:

Q2)Ans>.

Materials like,air,water,and clear glass are called transparent.

Materials like frosted glasss and some plastics are called translucent.