Optics Question 570

Question: In case of linearly polarised light, the magnitude of the electric field vector:

[AIIMS 2005]

Options:

A) Does not change with time

B) Varies periodically with time

C) Increases and decreases linearly with time

D) Is parallel to the direction of propagation

Show Answer

Answer:

Correct Answer: B

Solution:

The magnitude of electric field vector varies periodically with time because it is the form of electromagnetic wave.



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