MEDIUM
12th West Bengal Board
IMPORTANT
Earn 100

Explain the formation of rainbow.

Important Questions on Dispersion and Scattering of Light

MEDIUM
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 15 - Dispersion and Scattering of Light>EXERCISE 15>Q 13
 What is Raman effect ? 
EASY
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 15 - Dispersion and Scattering of Light>EXERCISE 15>Q 14
 What are the different kinds of emission spectra ? 
EASY
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 15 - Dispersion and Scattering of Light>EXERCISE 15>Q 15
 What are absorption spectra ? 
HARD
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 15 - Dispersion and Scattering of Light>EXERCISE 15>Q 1
The refractive indices for red and violet lights are 1.5155 and 1.5245 respectively. Find the dispersive power of the glass.
EASY
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 15 - Dispersion and Scattering of Light>EXERCISE 15>Q 2
The indices of refraction of quartz with respect to air at wavelength4500 A  and 4600 A are 1.4725 and 1.4650 respectively. Calculate the angular dispersion in degree /A (assume an angle of incidence 45° )
MEDIUM
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 15 - Dispersion and Scattering of Light>EXERCISE 15>Q 3

The refractive indices of the material of a lens for violet and red light are 1.56 and 1.54 respectively. If the focal length of the lens for violet light is 40 cm, then calculate (i) focal length for red light and

MEDIUM
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 15 - Dispersion and Scattering of Light>EXERCISE 15>Q 3
The refractive indices of the material of a lens for violet and red light are 1.56 and 1.54 respectively. If the focal length of the lens for violet light is 40 cm, then calculate  (ii) dispersive power of the material.
EASY
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 15 - Dispersion and Scattering of Light>EXERCISE 15>Q 4
The focal length of a convex lens made of flint glass is 15 cm. To remove the chromatic aberration, it is placed in contact with a concave lens made of crown glass. Find the focal length of the concave lens. The ratio of dispersive powers of flint glass to crown glass is 1.5.