TS EAMCET · Physics · Electromagnetic Waves
A laser beam has intensity \(2.1 \times 10^{15} \mathrm{~W} / \mathrm{m}^2\). The amplitude of magnetic field in the beam in approximately is
- A 1.4 T
- B 4.2 T
- C 1 T
- D 1.5 T
Answer & Solution
Correct Answer
(B) 4.2 T
Step-by-step Solution
Detailed explanation
\(\mathrm{I}=\frac{\mathrm{B}_0^2}{2 \mu_0} \mathrm{C}\)…
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