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Uniform speed
Variable velocity
Variable speed
Uniform velocity
An object placed at 60cm in front of a concave mirror makes an image 30 cm in front of the mirror, then what is the distance of the focus of the mirror.
An object that has kinetic energy must be
An object weighs maximum in
An object which absorbs all colours & reflects none appears:
An object with a constant speed
An object with a mass of 22 kg moving with a velocity of 5 m/s possesses a kinetic energy of :
An oil drop spreads over water as
An optically plane surface reflects a beam of light
An ordinary clock loses time in summer. This is because
An under-excited synchronous motor draws current at