A unitless quantity;
may have a non-zero dimension
always has a non-zero dimension
never has a non-zero dimension
does not exist
A unitless quantity never has non-zero dimension, i.e., it is dimensionless.
The velocity v of a particle at time t is given by v = at + (b/(t+c)), where a,
NextThe radius of a sphere is (2.6 ± 0.1) cm. The percentage error in its volume is;
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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