class 12 physics chapter 10 important questions
class 12 physics chapter 10 important questions
Practice these questions of class 12 physics chapter 10 important questions to get more marks in your class 12 physics board exam.
Long Type-
1. Define interference. Derive an expression for fringe width (or wavelength of light) in young’s double slit experiment.
OR
Define Interference . Derive expression for fringe width in Young's double slit experiment .
Bihar Board -2012
OR
Establish expression for the width of the interference fringe .
Bihar Board -2022
2. What is a biprism ? Explain measurement of wavelength of monochromatic light using biprism.
Bihar Board -2017
3. Explains Huygen’s principle of secondary wavelets and on the basis of this principle establish the law of refraction or reflection .
Bihar Board -2018
OR
How are wave front and secondary wavelets defined ? Verify laws of reflection or laws of refraction on the basis of Huygen’s wave theory.
How are wave front and secondary wavelets defined ? Verify laws of reflection or laws of refraction on the basis of Huygen’s wave theory.
Bihar Board -2016
OR
Write Huygen’s principle of light wave .Prove the law of reflection or law of refraction on the basis of Huygen’s principle of light wave .
Bihar Board -2015, 2013
OR
Define wave front and secondary wavelets ? Verify laws of reflection or laws of refraction on the basis of Huygen’s wave theory.
Bihar Board -2014
OR
Explains Huygen’s wave theory and use it to explain and establish the law of reflection or refraction .
Bihar Board -2011
8. (a) What do you mean by diffraction of light.
(b) Write the expression for angular position of the first diffraction ring obtained after diffraction by circular aperture.
(c) Write the Rayleigh criterion of resolution.
(b) Write the expression for angular position of the first diffraction ring obtained after diffraction by circular aperture.
(c) Write the Rayleigh criterion of resolution.
Short Type-
(1)- What is necessary condition for interference?
(2)- Write two essential conditions of constructive interference.
Bihar Board- 2021
(3)- Describe young’s double slit experiment.
(4)- Interference fringes are not formed by two independent sources. Why?
(5)- Write the expression for the width of the interference fringe.
Bihar Board- 2014
(6)- In the experiments using bi-prism small line (narrow slit) holes are used, Why ?
(7)-. What is a polaroid ? Describe some of its applications.
(8)- Write Brewster's law of polarization of light.
Bihar Board- 2014 ,2017, 2021
(9)- What do you understand by diffraction of light?
Bihar Board- 2020
OR
What do you mean by diffraction of light?
Bihar Board- 2022
(10)- How does diffraction put a limit on the resolution power of instruments.
(11)- Write the definition of wave front .
Bihar Board- 2022
chapter 1 ELECTRIC CHARGES AND FIELDS practice questions
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