Abhirup Ghosh Physics

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Abhirup Ghosh Physics. We covered all the Abhirup Ghosh Physics in this post for free so that you can practice well for the exam.

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Abhirup Ghosh Physics MCQs for Students

Two waves of wavelength 2 m and 2.02 m respectively, moving with the same velocity superpose to produce 2 beats per second. The velocity of the wave is :

(A) 400 m/s

(B) 402 m/s

(C) 404 m/s

(D) 406 m/s

Option c – 404 m/s

Two waves of lengths 50 cm and 51 cm produce 12 beats/second. The velocity of sound is :

(A) 306 m/s

(B) 331 m/s

(C) 340 m/s

(D) 360 m/s

Option a – 306 m/s

A source x of unknown frequency produces 8 beats with a source of 250 Hz and 12 beats with a source of 270 Hz. The frequency of the source x is :

(A) 258 Hz

(B) 242 Hz

(C) 262 Hz

(D) 282 Hz

Option a – 258 Hz

If two tuning forks A and B are sounded together they produce 4 beats per second. A is then slightly loaded with wax they produce 2 beats when sounded again. The frequency of A is 256 Hz. The frequency of B will be :

(A) 250 Hz

(B) 252 Hz

(C) 260 Hz

(D) 262 Hz

Option b – 252 Hz

Two tuning forks, one of frequency 256 Hz and another of unknown frequency when sounds together give 6 beats per second. When a little wax is put on the tip of the fork of frequency 256 Hz, the number of beats becomes 7 per second. The frequency of the fork of unknown frequency is :

(A) 246 Hz

(B) 250 Hz

(C) 262 Hz

(D) 268 Hz

Option c – 262 Hz

A tuning fork C of unknown frequency gives 4 beats/sec when sounded with another fork D of frequency 256 Hz. Fork C is now loaded with a piece of wax and again 4 beats/sec are heard. Then the original frequency of fork C is :

(A) 252 Hz

(B) 256 Hz

(C) 260 Hz

(D) 264 Hz

Option c – 260 Hz

Two tuning forks A and B give 4 beats per second when sounded together. If fork B is loaded with wax, 8 beats per second are heard, If the frequency of A is 320 Hz, the original frequency of the tuning fork B is :

(A) 320 Hz

(B) 316 Hz

(C) 326 Hz

(D) 324 Hz

Option b – 316 Hz

A set of tuning forks is arranged in ascending order of frequency. Each tuning fork gives 5 beats per second with the preceding one. If the frequency of the first fork is 100 Hz and that of the last fork 150 Hz, the total number of tuning forks arranged is:

(A) 9

(B) 10

(C) 11

(D) 12

Option c – 11

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