9702/12 Physics May Jun 2024 Online Test| Cambridge AS & A Level Grade MCQ
A distant star is receding from the Earth with a speed of $1.40 \times {10^7}m{s^{ - 1}}$. It emits light of frequency $4.57 \times {10^{14}}Hz$. The speed of light is $3.00 \times {10^8}m{s^{ - 1}}$.
The Doppler effect formula can be used with light waves.
What will be the frequency of this light when detected on Earth?