SATHEE: Neet Solved Paper 2013 Question 22

Neet Solved Paper 2013 Question 22

Question: A source of unknown frequency gives 4 beats/s when sounded with a source of known frequency 250 Hz. The second harmonic of the source of unknown frequency gives five beats per second when sounded with a source of frequency 513 Hz. The unknown frequency is

Options:

A) 254 Hz

B) 246 Hz

C) 240 Hz

D) 260 Hz

Show Answer

Answer:

Correct Answer: A

Solution:

Here, Hence, unknown frequency is 254 Hz.

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Neet Solved Paper 2013 Question 22

Question: A source of unknown frequency gives 4 beats/s when sounded with a source of known frequency 250 Hz. The second harmonic of the source of unknown frequency gives five beats per second when sounded with a source of frequency 513 Hz. The unknown frequency is

Options:

Answer:

Solution:

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