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.

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 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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