Question

Why glow -worms are called self -luminous bodies?
What is required to get a shadow of an opaque body?
Write the differences between transparent, translucent a​

Answer 1

Answer:

i) Glow worms are called self luminous bodies cause they emit light of their own

ii) Light source opaque obj and screen

iii) transperant obj allow light to pa ss trough them but translucent obj partially allow light to pa ss through them. Transparent - glass

Translucent - butter paper

Answer 2

Answer:

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