Question

the absolute refractive index of Glass and water of the river Ganga at 4 by 3 and 3 by 2 respectively in the speed of light in glass is 2 into 10 to the power 8 metre per second calculate the speed of light in vacuum and water​

Answer 1

Answer:

V=LBH

204=L*3.5*5

L=204÷17.5

L=11.6(NEARLY)

THE ERROR MADE BY JOE IS HE ADDED 3.5 AND 5 WHEN HE SHOULD HAVE MULTIPLIED THEM

Explanation: