According to the quantum theory, the energy E of a photon of frequency v is given by
Where h is Plank’s constant. What is the dimensional formula for h?
The quantities L/R and RC (where L, C and R stand for inductance, capacitance and resistance respectively) have the same dimensions as those of
The dimensions of entropy are
What is the physical quantity whose dimensions are
The dimensions of angular momentum are
The gravitational force F between two masses m1 and m2 separated by a distance r is given by where G is the universal gravitational constant. What are the dimensions of G?
What is the SI unit of Plank’s constant?
The volume V of water passing any point of a uniform tube during tseconds is related to the cross-sectional area A of the tube and velocity uof water by the relation
Which one of the following will be true?
Which one of the following relations is dimensionally consistent where h is height to which a liquid of density ρ rises in a capillary tube of radius, r, Tis the surface tension of the liquid, θ the angle of contact and g the acceleration due to gravity?
The frequency n of vibrations of uniform string of length l and stretched with a force F is given by
Where p is the number of segments of the vibrating string and m is a constant of the string. What are the dimensions of m?
What is the relationship between dyne and Newton of force?