HARD
12th West Bengal Board
IMPORTANT
Earn 100

What are pure and impure spectra? How will you proceed to form a pure spectrum on a screen?

Important Questions on Dispersion and Scattering of Light

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 3
Why does the colour of a green body appear green when it is illuminated by white light? What will its colour look like when it is illuminated by yellow light? Explain your answer.
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
A plant with green leaves and red flowers is illuminated successively by green light and blue light. How would the leaves and the flowers look like in each of the above cases?
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 5
A bunch of red roses do not look red in a room illuminated with yellow light. What colour do they look and why?
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 6
What do you mean by pure and impure spectrum. Explain with the help of a neat diagram how a pure spectrum can be produced on a screen.
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 7
 What are emission and absorption spectrum ? 
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 8
 What are different types of spectra ? 
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 9
How line spectra are produced? Discuss how the presence of elements in an emitting body may be known from its emission spectrum.
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 10

Is it possible to eliminate dispersion by combining two prisms of different materials but having the same refracting angles? If possible, how?