Vayudoot Aviation

1. An apparent increase in the transmitted frequency which is proportional to the transmitter velocity will occur when

The transmitter moves away from the receiver

The receiver moves towards the transmitter

The transmitter moves towards the receiver

Both transmitter and receiver move towards each other

2. The Doppler Navigation System is based on

Doppler VOR(DVOR) Navigation System.

Based on Radar principle using this F2 (frequency shift)

Phase comparison from ground station transmissions.

Radio waves refraction in the ionosphere.

3. Due to 'Doppler' effect an apparent decrease in the transmitted frequency, which is proportional to the transmitter's velocity, will occur when

The transmitter moves toward the receiver.

Both transmitter and receiver move away from each other.

The transmitter moves away from the receiver.

The transmitter and receiver move towards each other.

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