Assertion and Reason Questions Class 12 Physics Chapter 8 Electromagnetic waves

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Directions: Assertion & Reason Consist of two statements.

One labelled Assertion (A) & Other labelled Reason(R).

Select the Correct Answer to these questions from the Options as given below.

(a) If both Assertion & Reason are True & Reason is correct explanation Of Assertion.

(b) If both Assertion & Reason are true but Reason is not Correct Explanation of Assertion.

(C) If Assertion is true but reason is false.

(d) If both Assertion & Reason are False.

Em waves is shortest chapter of class 12 Physics but that doesn’t mean this chapter is not important. Questions related to em wave like how em waves are produced, Table to learn em spectrum , uses of em waves, sketch of em waves is are important.

For All important Questions n Notes you can check following links:

Class 12 Physics Handwritten Notes

Class 12 Physics Important Questions

What’s the trick to learn EM Waves?

You can learn by word “RMIVUX G”
R – Radiowaves
M- Micro waves
I – infrared waves
V – Visible light
U – Ultra violet light
X- X rays
G – Gamma rays

What do u mean by transverse nature of EM waves?

In an electromagnetic wave electric & magnetic field are perpendicular to each other and at same time are perpendicular to direction of propagation of wave.

Which property of EM wave depends on the medium in which it is travelling?

Velocity of an Em wave is a property which is dependent on the medium in which it is travelling.
Other Properties such as frequency, time period & wavelength are dependent on the source that is Producing the wave.

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