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Q Atuning fork of frequency 340 Hz is sounded above a cylindrical tube 1m high. water is slowly poured into the tube . if the speed of sound is 340m/s at what levels of water in the tube will the sound of fork be appreciably ...
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a particle is performing simple harmonic motion along x axis with amplitude 4 cm and time period 1.2 s. The min. time taken by particle to move from x=+2 cm to x=+4 cm and back again is_________ ...
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Q The objects lying at the equator will fly off the surface of the earth. if the speed of rotation of the earth increases n times its present value then n is _______ Q The largest and the shortest distance of the earth from t ...
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Q1 in a 100ml of an aqueous hydrochloric acid of ph 1.0 , 900 ml of more distilled water is added , the ph of the resultant soln will become_______ answer: 2.0 Q2 50 litres of 0.1M HCL is thouroughly mixed wid 50 litres of 0. ...
