MEDIUM
12th West Bengal Board
IMPORTANT
Earn 100

How is critical angle related to the refractive index of the medium.

Important Questions on Refraction of Light

MEDIUM
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 13 - Refraction of Light>EXERCISE 13>Q 9
With the help of a ray diagram, show how the deviation of a light ray can be made equal to 180°.
HARD
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 13 - Refraction of Light>EXERCISE 13>Q 9
With the help of a ray diagram, show how the deviation of a light ray can be made equal to 0° by using a total reflecting prism.
EASY
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 13 - Refraction of Light>EXERCISE 13>Q 10
Absolute refractive indices of water and glass are 43 and 32 respectively. What is the refractive index of glass with respect to water?
MEDIUM
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 13 - Refraction of Light>EXERCISE 13>Q 11
What is the refraction of light? Define relative refractive index and absolute refractive index. Explain, with neatly drawn diagrams, how refraction takes place in the following cases from air to glass. 
MEDIUM
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 13 - Refraction of Light>EXERCISE 13>Q 11
Explain, with neatly drawn diagrams, how refraction takes place from water to air.
HARD
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 13 - Refraction of Light>EXERCISE 13>Q 12
Why does a straight stick appear bent when partly immersed in water?
EASY
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 13 - Refraction of Light>EXERCISE 13>Q 12
Why does a vessel full of water appear much shallower than it actually is?
MEDIUM
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 13 - Refraction of Light>EXERCISE 13>Q 12
Why does the sun remain in view for some time after it has already set?