class 12 physics chapter 8 important questions
class 12 physics chapter 8 important questions
Practice these questions of class 12 physics chapter 8 electromagnetic waves important questions to get more marks in your class 12 physics board exam.
Long Type-
1. What do you mean by displacement current? How would you express Maxwell ampere law using it?
2. What are electromagnetic waves? Describe their properties. What is electromagnetic spectrum?
Short Type-
1. What is electromagnetic wave ?
Bihar Board - 2020, 2022
2. Write the expression for the electrical energy density and magnetic energy density associated with electromagnetic wave and show that their ratio is 1
Bihar Board - 2011
3. Write four main properties of electromagnetic waves.
4. Write any two properties of x rays.
Bihar Board - 2013 , 2016
5. What is electromagnetic spectrum?
6. Out of electric field vector \[\vec{E}\] and magnetic field vector \[\vec{B}\] in an electromagnetic wave, which is more effective and why?
Bihar Board - 2014
7. What is Green House Effect?
8. What is displacement current?
9.State ampere-Maxwell law .
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