If an object moves in a purely rotatory motion, then each constituent particle of the body moves in a circle, the centre of which is located on a line is called _______.
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Magnetic striping is evidence of
Magnetic striping is evidence of seafloor spreading.
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What is the power rating (in W) of a bulb if a current of 0.3 A passes through on application of 240 V of potential difference across its terminals?
Which rays cause skin damage?
______ is the perpendicular distance between point of application of force and axis of rotation.
A broadcasting station transmits waves with a frequency of 71 x 104 Hz and a speed of 3 x 108 m/s. The wavelength of the wave is
The area under a Velocity-Time graph represents ______________.
Instrument used for measuring specific gravity is called _____.