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The end of a pipe is inserted into water.
A tuning fork is held over the pipe.
If the pipe resonates at lengths of 15 cm and 35 cm, what is the frequency of the tuning fork?
Use 343 m/s for the speed of sound.
Magnetic effect of the earth is? Magnetic effect of the earth. The earth behaves as it has got a big magnet, running as mot a big magnet, running almost from its north to South
Neutron possesses: (1)Positive charge (2)Negative charge (3)No charge (4)All are correct Ans: (3)No charge
what is physics and how to learn it easlly?
trying to find out what matter stands for such as M=mass but do not know the other letters
When a liquid moves by a pipe having a varying diameter, the pressure against the inside walls of the pipe will be: a) The same throughout b) Lowest where the diameter is
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A windmill is operating in a 10 m/s wind that has a density of 1.2 kg/m 3 . The diameter of the windmill is 4 m. The constant-pressure (atmospheric) stream tube has a diameter of 3
Which of two, namely potentiometer and voltmeter is preferable to calculate the emf of a batter? Why? When is the series combination of cells advantageous and why?
STABLE EQUILIBRIUM If object is in stable equilibrium and if we displace object to a very little displacement dr then it will return back to starting position. UNSTABLE EQU
(i) It is also known as impure semiconductor. (ii) The phenomena of adding impurity is known as Doping.
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