A flood light is covered with a fitter that transmits red l…

Physics Electromagnetic Wave General MCQ (Single Correct)

A flood light is covered with a fitter that transmits red light. The electric field of the emerging beam is represented by a sinusoidal plane wave

E x = 36 sin (1.20 × 10 7 z – 3.6 × 10 15 t) V/m

The average intensity of beam in W/m 2 will be

6.88

3.44

1.72

0.86

Text Solution

Verified by Experts

The correct answer is:

Sol. I av = ε 0 × C = 1.719 W/m 2

Get practice questions, solutions, and test series in one place.

Share your experience with this question and solution.

Send your comment, doubt, correction, or feedback to admin.

What students say about this solution

No reviews yet. Be the first to write a review.