Dimensions of magnetic field intensity is
(1)
(2)
(3)
(4)
The force F on a sphere of radius ‘a’ moving in a medium with velocity ‘v’ is given by . The dimensions of are
(1)
(2)
(3)
(4)
Which physical quantities have the same dimensions?
(1) Couple of force and work
(2) Force and power
(3) Latent heat and specific heat
(4) Work and power
Two quantities A and B have different dimensions. Which mathematical operation given below is physically meaningful?
(1) A/B
(2) A + B
(3) A – B
(4) None
Given that v is speed, r is the radius and g is the acceleration due to gravity. Which of the following is dimensionless?
(1)
(2)
(3)
(4)
The physical quantity which has the dimensional formula is
(1) Surface tension
(2) Solar constant
(3) Density
(4) Compressibility
A force F is given by F = at + bt2, where t is time. What are the dimensions of a and b:
(1) and
(2) and
(3) and
(4) and
If the speed of light (c), acceleration due to gravity (g) and pressure (p) are taken as the fundamental quantities, then the dimension of gravitational constant is
(1)
(2)
(3)
(4)
If the time period (T) of vibration of a liquid drop depends on surface tension (S), radius (r) of the drop and density of the liquid, then the expression of T is
(1)
(2)
(3)
(4) None of these