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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 with wavelengths 2 m and 2.02 m travel at the same speed and interfere to produce 2 beats per second. What is the wave speed?
a) 400 m/s
b) 402 m/s
c) 404 m/s
d) 406 m/s
Option c – 404 m/s
Two sound waves of wavelengths 50 cm and 51 cm generate 12 beats per second. The speed of sound is:
a) 306 m/s
b) 331 m/s
c) 340 m/s
d) 360 m/s
Option a – 306 m/s
An unknown source X produces 8 beats per second with a 250 Hz source and 12 beats per second with a 270 Hz source. The frequency of source X is:
a) 258 Hz
b) 242 Hz
c) 262 Hz
d) 282 Hz
Option a – 258 Hz
Two tuning forks A and B together produce 4 beats per second. When fork A (256 Hz) is slightly loaded with wax, the beat frequency becomes 2 per second. The frequency of fork B is:
a) 250 Hz
b) 252 Hz
c) 260 Hz
d) 262 Hz
Option b – 252 Hz
A tuning fork of 256 Hz and another fork of unknown frequency produce 6 beats per second when sounded together. After adding a small amount of wax to the 256 Hz fork, the beat frequency increases to 7 per second. The frequency of the unknown fork 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 per second with a 256 Hz fork D. When fork C is loaded with wax, the beat frequency remains 4 per second. 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 produce 4 beats per second when sounded together. After loading fork B with wax, the beat frequency becomes 8 per second. If the frequency of fork A is 320 Hz, the original frequency of 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 increasing order of frequency such that each fork produces 5 beats per second with the previous one. If the first fork has a frequency of 100 Hz and the last one 150 Hz, how many tuning forks are there in total?
a) 9
b) 10
c) 11
d) 12
Option c – 11
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Also, check out:
- A New Approach to ICSE Physics Class 10
- Solution of Nootan Physics Class 12
- Previous Year Question Paper Class 12 Physics Bihar Board
