Social Sciences, asked by harshgrover8983, 1 month ago

The velocity of light in air is 3×10⁸ m/s . Calculate the velocity of light in a Plexiglas of refractive index 1.51 .

Answers

Answered by nilamkumari91229
0

Answer:

According to Snell's Law:  

sin r

sin i

=  

n  

1

 

n  

2

 

=  

v  

2

 

v  

1

 

 and Refractive Index for air is ≈1

Substituting,  

1

1.5

=  

v  

2

 

3×10  

8

 

 

Therefore, v  

2

=  

1.5

3×10  

8

 

=2×10  

8

 m/s

Explanation:

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