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JEE MAIN 2022
27-07-22 S1
Question
A beam of light travelling along $X$-axis is described by the electric field $E_y=900 \sin \omega(t-x / c)$. The ratio of electric force of magnetic force on a charge q moving along Y -axis with a speed of $3 \times 10^7 \mathrm{~ms}^{-1}$ will be. [Given speed of light $=3 \times 10^8 \mathrm{~ms}^{-1}$ ]
Select the correct option:
A
1 : 1
B
1 : 10
C
10 : 1
D
1 : 2
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
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Physics
Medium
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