A source 'S' emitting a sound of frequency 300 Hz is fixed on block ‘A’ while detector is fixed onblock 'B' detects the sound. The block 'A' and 'B' are simultaneously displaced towards each other through a distance of 1 m and then left to vibrate. If the velocity of sound in air is 340ms^(-1) and S_A ,S_Bare identical the frequency of block A is 2Hz. Then

A source 'S' emitting a sound of frequency 300 Hz is fixed on block �

1.	A source 'S' emitting a sound of frequency 300 Hz is fixed on block ‘A’ while detector is fixed onblock 'B' detects the sound. The block 'A' and 'B' are simultaneously displaced towards each other through a distance of 1 m and then left to vibrate. If the velocity of sound in air is 340ms^(-1) and S_A ,S_Bare identical the frequency of block A is 2Hz. Then
Answer» Maximum velocity of detector is `4 PI ms^(-1)` Maximum frequency detected by detector is 323 Hz (approximately) MINIMUM frequency detected by detector is 278 Hz (approximately) The phase difference between S and D is `pi/4` Answer :A::B::C

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