# Color of wavelength in air is 6000 A, and in water it is 4500 A

then what is the speed of light in meters/sec in water ?

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by sjhari

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then what is the speed of light in meters/sec in water ?

2
by sjhari

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The Brainliest Answer!

**u=c/v Also, u= (lambda)/ lambda'**

**therefore c/v= lambda/lambda'**

**v/c=lambda'/ lambda**

**Hence v=(lambda'/lambda) x c**

**v=4500/6000 x 3 x 10^8 m/s**

**v= 2.25 x 10^8m/s**

We have a relation, → Snell's Law.

From this,

Substitute them, you get

From this,

Substitute them, you get