MCQ
The frequency of light ray having the wavelength $3000 \mathring A$ is
- A$9 \times 10^{13}$ cycles $/ \mathrm{sec}$
- ✓$10^{15}$ cycles $/ \mathrm{sec}$
- C$90$ cycles $/ \mathrm{sec}$
- D$3000$ cycles $/ \mathrm{sec}$
✓
Answer
Correct option: B.
$10^{15}$ cycles $/ \mathrm{sec}$
$10^{15}$ cycles $/ \mathrm{sec}$
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