## Question

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*?

### Solution

#### SIMILAR QUESTIONS

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 *m*_{1} and *m*_{2} 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 *t*seconds is related to the cross-sectional area A of the tube and velocity *u*of 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*, *T*is 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?