Units & Dimensi...

Which of the following sets cannot enter into the list of fundamental quantities in any system of units ?

Which of the following is not the unit of time

The unit of impulse is the same as that of :

Which of the following is not the unit of energy?

If the unit of length is micrometer and the unit of time is microsecond, the unit of velocity will be :

What is the physical quantity whose dimensions are M L² T^-2 ?

A unitless quantity :

If a and b are two physical quantities having different dimensions then which of the following can denote a new physical quantity

Two physical quantities whose dimensions are not same, cannot be :

Choose the correct statement (S)

Planck's constant has the dimensions of :

Electron volt is a unit of

The dimensional formula of RT is same as that of:

Which pair of following quantities has dimensions different from each other

If the error in measurement of radius of sphere is 1% , what will be the error in measurement of volume 

The velocity 'v' (in cm/s) of a particle is given in terms of time 't' (in s) by the equation

v = at + 

The dimensions of a, b and c are

In case of measurement of ‘g’, if error in measurement of length of pendulum is 2%, the percentage error in time period is1 %. The maximum error in measurement of g is

The time dependence of a physical quantity ?

P = P₀exp(_at²)

where a is a constant and t is time. The constant a

Force F is given in terms of time t and distance x by

F = A sin C t + B cos D x

Then the dimensions of  and  are given by

 The Van der Waal equation for 1 mole of a real gas is

where P is the pressure, V is the volume, T is the absolute temperature, R is the molar gas constant and a, b are Van dar Waal constants. The dimensions of a are the same as those of

 The dimensional formula of coefficient of viscosity is

If force (F) is given by F = Pt^_1 + Qt, where t is time. The unit of P is same as that of

The product of energy and time is called action. The dimensional formula for action is same as that for

When a wave traverses a medium, the displacement of a particle located at x at time t is given by y = a sin (bt - cx) where a, b and c are constants of the wave. The dimensions of b/c are the same as those of

In the above question dimensions of b/c are the same as those of