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JEE PYQ: Electromagnetic Waves Question 35

Question 35 - 2019 (09 Jan 2019 Shift 2)

The energy associated with electric field is ($U_E$) and with magnetic fields is ($U_B$) for an electromagnetic wave in free space. Then:

(1) $U_E = \frac{U_B}{2}$

(2) $U_E > U_B$

(3) $U_E < U_B$

(4) $U_E = U_B$

Show Answer

Answer: (4)

Solution

Since energy density of electric and magnetic field is same, $U_E = U_B$.


Learning Progress: Step 35 of 41 in this series