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The driver if a car travelling with speed 30 m/sec towards a hill sounds a horn of frequency 600Hz. If the velocity of sound in air is 330m/sec, the frequency of reflected sound as heard by driver is (1)555.5 Hz (2)720 Hz (3)500 Hz (4) 550 Hz?
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The driver if a car travelling with speed 30 m/sec towards a hill soun...
Case 1:n1=v÷v-30case 2:n2=v+30÷vfrom case 1 and 2 we get v+30÷v-30. (v=330 and Hz=600)therefore; 360÷300×600=720Hz
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The driver if a car travelling with speed 30 m/sec towards a hill soun...
First of all source is moving towards stationary observer..so v'=v*(u/u-us) and after reflection of sound v" =v' (u+uo/u) now putting the value of v' from 1st equatn in 2nd equatn u get the ans as 720hz..now here v' = apparent frequency when driver is moving towards stationary source v is real frequency v" is final frequencyu= speed of sound in air uo= speed of observer us= speed of source
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The driver if a car travelling with speed 30 m/sec towards a hill sounds a horn of frequency 600Hz. If the velocity of sound in air is 330m/sec, the frequency of reflected sound as heard by driver is (1)555.5 Hz (2)720 Hz (3)500 Hz (4) 550 Hz?
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The driver if a car travelling with speed 30 m/sec towards a hill sounds a horn of frequency 600Hz. If the velocity of sound in air is 330m/sec, the frequency of reflected sound as heard by driver is (1)555.5 Hz (2)720 Hz (3)500 Hz (4) 550 Hz? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about The driver if a car travelling with speed 30 m/sec towards a hill sounds a horn of frequency 600Hz. If the velocity of sound in air is 330m/sec, the frequency of reflected sound as heard by driver is (1)555.5 Hz (2)720 Hz (3)500 Hz (4) 550 Hz? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The driver if a car travelling with speed 30 m/sec towards a hill sounds a horn of frequency 600Hz. If the velocity of sound in air is 330m/sec, the frequency of reflected sound as heard by driver is (1)555.5 Hz (2)720 Hz (3)500 Hz (4) 550 Hz?.
The driver if a car travelling with speed 30 m/sec towards a hill sounds a horn of frequency 600Hz. If the velocity of sound in air is 330m/sec, the frequency of reflected sound as heard by driver is (1)555.5 Hz (2)720 Hz (3)500 Hz (4) 550 Hz? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about The driver if a car travelling with speed 30 m/sec towards a hill sounds a horn of frequency 600Hz. If the velocity of sound in air is 330m/sec, the frequency of reflected sound as heard by driver is (1)555.5 Hz (2)720 Hz (3)500 Hz (4) 550 Hz? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The driver if a car travelling with speed 30 m/sec towards a hill sounds a horn of frequency 600Hz. If the velocity of sound in air is 330m/sec, the frequency of reflected sound as heard by driver is (1)555.5 Hz (2)720 Hz (3)500 Hz (4) 550 Hz?.
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