4.000 × 10³ m has 4 significant figures and thus it should always retain them in any system of unit.
A bullet is fired horizontally aiming at an object which starts falling at the i
NextTwo particles are projected at speed 3 m/s and 6 m/s horizontally in the same di
Energy of a particle is 5 J. If unit of length and time are doubled and unit of mass is halved then
MediumThe time period of oscillation of a body is given by , K represents the kinetic energy, m mass, g ac
MediumA gas bubble, from an explosion under water, oscillates with a period proportional to PadbEc. Where
EasyIf P and Q have different non-zero dimensions, which of the following operation is possible?
EasyA wave is represented by y = a sin(At − Bx + C) where A, B, C are constants and t is in seconds and
EasyIf the unit of length and force be increased four times, then the unit of energy is
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