An electron is constrained to move along the y-axis with a speed of 0.1 c (c is the speed of light) in the presence of electromagnetic wave, whose electric field is \overrightarrow{{E}}=30{{j} ^{\^}} \sin (1.5\times 10^{7} {t} -5 \times 10^{-2} {x} ) {V} \/ {m} The maximum magnetic force experienced by the electron will be : (given {c}=3 \times10^{8} {ms}^{-1} and electron charge =1.6\times 10^{-19} {C} ) [5 Sep 2020 Shift 1]

Correct Answer is : 4.8×10−19 N

JEE Mains 05-Sep-2020 Shift 1 Solved Paper

Section: Physics

Question : 19 of 75

Marks: +1, -0

An electron is constrained to move along the y-axis with a speed of 0.1 c (c is the speed of light) in the presence of electromagnetic wave, whose electric field is

→

=30

‌sin(1.5×107t −5×10−2x)‌V∕m
The maximum magnetic force experienced by the electron will be :
(given c=3×108ms−1 and electron charge =1.6×10−19C)

[5 Sep 2020 Shift 1]

1.6×10−19 N
4.8×10−19 N
3.2×10−18 N
2.4×10−18 N

Validate

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