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General
Easy
Question
A nucleus ruptures into two nuclear parts which have their velocity ratio equal to 2 :1 .The ratio of their respective nuclear sizes is
- 1 : 2
- 1 :
- 1 : 21/3
- 1 : 8
The correct answer is: 1 :
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Physics-General
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Vibrating tuning fork of frequency n is placed near the open end of a long cylindrical tube. The tube has a side opening and is fitted with a movable reflecting piston. As the piston is moved through 8.75 cm, the intensity of sound changes from a maximum to minimum. If the speed of sound is 350 m/s. Then n is
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Two loudspeakers L1 and L2 driven by a common oscillator and amplifier, are arranged as shown. The frequency of the oscillator is gradually increased from zero and the detector at D records a series of maxima and minima. If the speed of sound is 330 ms–1 then the frequency at which the first maximum is observed is
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