EASY
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If and denote energy, mass, angular momentum and gravitational constant respectively, the quantity has the dimensions of
(a)Mass
(b)Length
(c)Time
(d)Angle

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Important Questions on Physical World and Measurement
MEDIUM
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IMPORTANT
If the energy where is the universal gravitational constant, is the velocity of light in vacuum and ' is Planck's constant. The values of and are respectively

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IMPORTANT
Planck's constant has the dimensions of ________

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A force is given as where denotes time. Then, the unit of must be same as that of

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The angular speed of a fly-wheel making is ________

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A student measured the diameter of a small steel ball using a screw gauge of least count The main scale reading is and zero division of the circular scale coincides with divisions above the reference level. If the screw gauge has a zero error of the correct diameter of the ball is__________
