Physics, asked by shriprakash4291, 9 months ago

Commonly used glass have refractive index of 1.5 the critical angle for such glass is:(a)49 ° (b)42°(c)45° (d)40°

Answers

Answered by AbdJr10

1

Answer:

c. will be correct answers

Answered by Rishikarai7

1

Answer:

Critical angle for air_glass interface in 42'.

Previous Question

Next Question

Similar questions

Accountancy, 5 months ago

Hasar purchased a machine on 1st Jan. 1992 at Rs. 14,400. The scrap value after ten years time is expected to be Rs. 3,400. If depreciation is written off by equal instalments every Dec. 31, show the Machinery A/c for the first three years. Calculate the rate of depreciation...

Math, 5 months ago

Five equal resistors are connected in series. They are connected together across a source of e.m.f and dissipate 7.34 W power. What will be the power wasted, if the same resistors are connected in parallel (across the same! source of emf) ?

Physics, 5 months ago

A girl standing on a rotating platform, stretches out her arms. The moment of inertia of the girl * (a) becomes zero (b) increases (c) decreases (d) remains same ...

Math, 9 months ago

A rectangular sheet of paper is 12 1/2cm long and 10 2/3cm wide . Find its perimeter...

Math, 9 months ago

The mean of first 10natural number is...

English, 1 year ago

Write a article on Intetnet...

English, 1 year ago

dinesh travels in a bus(change into interrogative)...

Economy, 1 year ago

what is nature? the parts of naturally in man use?