MCQ
Red light differs from blue light in its
- ASpeed
- ✓Frequency
- CIntensity
- DAmplitude
Frequency is different for each light as they have different wavelengths.
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The amount of energy liberated is $\mathrm{n} \times 10^7 \mathrm{kWh}$, where$\mathrm{n}=$________.(speed of light $=3 \times 10^8 \mathrm{~m} / \mathrm{s}$ )
