defence exam Coast Guard Navik GD (General Duty) 02/2025 Mock Test Series Physics Waves Doppler effect
Choose the correct phenomenon in which the frequency heard by the observer will be maximum.
1
A source is moving towards a stationary observer.
2
An observer is moving towards a stationary source.
3
An observer is moving away from a stationary source.
4
Both the source and observer move towards each other.