Question

${\bold{\boxed{Heya\:dearies !}}}$

$<big><b><u>Questions</big></b></u>$ :-

1) Express speed of light in:

> Air
> Water
> Glass

2) Which one is optically denser in Physics ?

$<b>Proper answers with proper presentation and no copied ones will be greatly welcomed !</b>$

# Brishti ^_^

Answer 1

1) Ans. 225,000 kilometers per second in water and 200,000 kilometers per second in glass and 300million kilometres per second in air.

2) Ans. Glass is optically denser.




hope it helps

Answer 2

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$<b>Speed of light in :</b>$
→air ≈ 3×10^8 m/s
→water = 2.25×10^8 m/s
→glass = 2×10^8m/s
• glass is optically denser because its speed is less.
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