Answer :
The energy of a light with a frequency of 3000 MHz is 1.9878 × 10-²⁴ J.
How to calculate energy?
Energy of a wave such as light wave can be calculated by multiplying Planck's constant by the frequency of the light as follows:
E = hf
Where;
- E = energy (joules)
- h = Planck's constant (6.626 × 10-³⁴J/s)
- f = frequency (Hertz)
According to this question, a light wave has a frequency of 3000 MHz. The energy can be calculated as follows:
E = 6.626 × 10-³⁴J/s × 3 × 10⁹Hz
E = 1.9878 × 10-²⁴ J
Therefore, the energy of a light with a frequency of 3000 MHz is 1.9878 × 10-²⁴ J.
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