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Two persons A and B each carrying a source of frequency 596 Hz and 600 Hz respectively are standing at rest a few metres apart.A starts moving towards B with velocity of 2m/s.if the speed of sound is 300 m/s which of the following statement is true. actually the answer is option B: beats heard per sec by A is 8 and B is zero.but how.??.guyzz anyone plz solve this qn.plzzzz??!!.?
Most Upvoted Answer
Two persons A and B each carrying a source of frequency 596 Hz and 600...
It is just Doppler effect . aap sirf dono condition me use karo phle (A) ke liye and bad me( B) ke liye . answer aa jayega.
Community Answer
Two persons A and B each carrying a source of frequency 596 Hz and 600...
Explanation:
The situation described can be analyzed using the concept of Doppler effect, which is the change in frequency or wavelength of a wave in relation to an observer who is moving relative to the wave source.
Given Information:
- Frequency of source A = 596 Hz
- Frequency of source B = 600 Hz
- Speed of sound = 300 m/s
- Velocity of A towards B = 2 m/s
Doppler Effect Formula:
The perceived frequency of the sound heard by A and B can be calculated using the formula:
f' = f * (v + vo) / (v + vs)
where:
- f' is the perceived frequency
- f is the actual frequency
- v is the speed of sound
- vo is the velocity of the observer
- vs is the velocity of the source
Analysis:
- When A is moving towards B, the perceived frequency of the sound coming from A will increase due to the Doppler effect.
- The difference in frequencies between A and B (600 Hz - 596 Hz = 4 Hz) will result in the formation of beats when they come close to each other.
Calculations:
- The perceived frequency for A:
f'A = 596 * (300 + 2) / (300 - 0) = 598 Hz
- The perceived frequency for B:
f'B = 600 * (300 + 0) / (300 + 2) = 598 Hz
- The difference in frequencies heard by A and B:
|598 - 598| = 0 Hz
Conclusion:
- A will hear beats with a frequency of 8 Hz (598 Hz - 590 Hz) while moving towards B.
- B, being at rest, will not hear any beats as the difference in frequencies is zero.
The situation described can be analyzed using the concept of Doppler effect, which is the change in frequency or wavelength of a wave in relation to an observer who is moving relative to the wave source.
Given Information:
- Frequency of source A = 596 Hz
- Frequency of source B = 600 Hz
- Speed of sound = 300 m/s
- Velocity of A towards B = 2 m/s
Doppler Effect Formula:
The perceived frequency of the sound heard by A and B can be calculated using the formula:
f' = f * (v + vo) / (v + vs)
where:
- f' is the perceived frequency
- f is the actual frequency
- v is the speed of sound
- vo is the velocity of the observer
- vs is the velocity of the source
Analysis:
- When A is moving towards B, the perceived frequency of the sound coming from A will increase due to the Doppler effect.
- The difference in frequencies between A and B (600 Hz - 596 Hz = 4 Hz) will result in the formation of beats when they come close to each other.
Calculations:
- The perceived frequency for A:
f'A = 596 * (300 + 2) / (300 - 0) = 598 Hz
- The perceived frequency for B:
f'B = 600 * (300 + 0) / (300 + 2) = 598 Hz
- The difference in frequencies heard by A and B:
|598 - 598| = 0 Hz
Conclusion:
- A will hear beats with a frequency of 8 Hz (598 Hz - 590 Hz) while moving towards B.
- B, being at rest, will not hear any beats as the difference in frequencies is zero.
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Two persons A and B each carrying a source of frequency 596 Hz and 600 Hz respectively are standing at rest a few metres apart.A starts moving towards B with velocity of 2m/s.if the speed of sound is 300 m/s which of the following statement is true. actually the answer is option B: beats heard per sec by A is 8 and B is zero.but how.??.guyzz anyone plz solve this qn.plzzzz??!!.?
Question Description
Two persons A and B each carrying a source of frequency 596 Hz and 600 Hz respectively are standing at rest a few metres apart.A starts moving towards B with velocity of 2m/s.if the speed of sound is 300 m/s which of the following statement is true. actually the answer is option B: beats heard per sec by A is 8 and B is zero.but how.??.guyzz anyone plz solve this qn.plzzzz??!!.? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Two persons A and B each carrying a source of frequency 596 Hz and 600 Hz respectively are standing at rest a few metres apart.A starts moving towards B with velocity of 2m/s.if the speed of sound is 300 m/s which of the following statement is true. actually the answer is option B: beats heard per sec by A is 8 and B is zero.but how.??.guyzz anyone plz solve this qn.plzzzz??!!.? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Two persons A and B each carrying a source of frequency 596 Hz and 600 Hz respectively are standing at rest a few metres apart.A starts moving towards B with velocity of 2m/s.if the speed of sound is 300 m/s which of the following statement is true. actually the answer is option B: beats heard per sec by A is 8 and B is zero.but how.??.guyzz anyone plz solve this qn.plzzzz??!!.?.
Two persons A and B each carrying a source of frequency 596 Hz and 600 Hz respectively are standing at rest a few metres apart.A starts moving towards B with velocity of 2m/s.if the speed of sound is 300 m/s which of the following statement is true. actually the answer is option B: beats heard per sec by A is 8 and B is zero.but how.??.guyzz anyone plz solve this qn.plzzzz??!!.? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Two persons A and B each carrying a source of frequency 596 Hz and 600 Hz respectively are standing at rest a few metres apart.A starts moving towards B with velocity of 2m/s.if the speed of sound is 300 m/s which of the following statement is true. actually the answer is option B: beats heard per sec by A is 8 and B is zero.but how.??.guyzz anyone plz solve this qn.plzzzz??!!.? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Two persons A and B each carrying a source of frequency 596 Hz and 600 Hz respectively are standing at rest a few metres apart.A starts moving towards B with velocity of 2m/s.if the speed of sound is 300 m/s which of the following statement is true. actually the answer is option B: beats heard per sec by A is 8 and B is zero.but how.??.guyzz anyone plz solve this qn.plzzzz??!!.?.
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