IIT JAM
Sushree sweta priyadarshini Asked a Question
September 14, 2021 11:46 pmpts 10 pts
  • IIT JAM
  • Physics (PH)

Lissajous figure obtained by using two tuning two forks a and b having slightly different frequencies undergoes complete cycle of changes in 20 sec. when b is l

Lissajous figure obtained by using two tuning two forks A and B having slightly different frequencies undergoes complete cycle of changes in 20 sec. When B is loaded witha little wax, the time reduces to 10 sec. If the frequency of A and B is 288, calculate the frequency of B before loading it with wax. (a) 0.05Hz (b) 287.95Hz (c) 288.5Hz (d) 321.05Hz
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  • Isha lohan 1 thankyou
    Option C. Because frequency decreases on loading wax. And final frequency is 288. Hz. So initial may be more than 288 hz. And change in frequency is 10/20 =0.5 So option c. 288.5 h...
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