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polarization
reflection
interference
diffraction
A thin rod of a diamagnetic substance is suspended in the magnetic field between the north and south poles of a big magnet. The rod will set itself
A transformer is used to
A transformer works on the principle of
A transformer works with
A travelling wave passes a point of observation where the time interval between successive crests is 0.2 s. Which among the given is then true?
A veena player compares with a tuning fork the fundamental frequency generated by one of the strings of the veena and hears 4 beats per second. He then tightens the string a bit and hears only 3 beats per second. Then
A vehicle moving on a circular path experiences _?
A vehicle stops in 20 sec after applying brakes, if the constant retardation due to the brakes is 1.5 m/sec², then what was the initial velocity of the vehicle.
A virtual image of a real object is formed?
A water tank seems shallower when it is viewed from top due to
