MCQ
Wavelength of light of frequency $100 Hz$
  • A
    $2 \times 10^6 m$
  • $3 \times 10^6 m$
  • C
    $4 \times 10^6 m$
  • D
    $5 \times 10^6 m$

Answer

Correct option: B.
$3 \times 10^6 m$
$\lambda=\frac{c}{v}=\frac{3 \times 10^8}{100}=3 \times 10^6 m$

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