0

Guest

Courses New

Doubt of Ray Optics..... Q.G2 and G3......... Thank you Answer is B for G2 and A for G3

Doubt of Ray Optics..... Q.G2 and G3......... Thank you Answer is B for G2 and A for G3

Question Image
Grade:

1 Answers

Arun
25750 Points
5 years ago
Dear student
 
u is refractive index
 
R = 2 f = r / u – 1
 
56 = r / u – 1
 
when curved surface is silvered
 
R = 2 * 10 = 20 = r / u
 
Now
 
56 / 20 = u / u – 1
 
1 – 1/u = 20/56 = 5/14
 
9/14 = 1/u
 
u = 14 / 9 = 1.555
 
Regards
Arun

Think You Can Provide A Better Answer ?

Other Related Questions on Wave Optics

View all Questions »

ASK QUESTION

Get your questions answered by the expert for free

Answer and earn gift vouchers

Win Gift vouchers upto Rs 500/-

View courses by askIITians

Design classes One-on-One in your own way with Top IITians/Medical Professionals

Click Here Know More

Complete Self Study Package designed by Industry Leading Experts

Click Here Know More

Live 1-1 coding classes to unleash the Creator in your Child

Click Here Know More

a Complete All-in-One Study package Fully Loaded inside a Tablet!

Click Here Know More