Question
An electromagnetic wave is propagating along X-axis. At x=1 ~cm and t=18 ~s , its electric vector |E|=8 ~V / m , then the magnitude of its magnetic vector is
BITSAT
Physics
Electromagnetic Waves
2022
BITSAT 2022
BITSAT Physics Question (2022) — Solution
Options
- A. 266 10^ -8
- B. 3 10^ -7
- C. 3.14 10^ -8
- D. 3.16 10^ -7
Answer
A. 266 10^ -8
Step-by-step solution
As we know that, E B =c so, B= E c = 8 3 10^8 =2.66 10^ -8
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