If a wave can be polarized it must be

Which quantity must be same for two bodies if they are to be in thermal equilibrium?

Carnot cycle consist of

Which statement about geostationary orbits is false?

If a body of mass 'm' is released in a vacuum just above surface of planetof mass Ni and radius 'R', what would be its gravitational acceleration?

The rotational and translational K.E of a hoop are related by

A ball of mass 2 kg travelling at 8 m/s strikes a ball of mass 4 kg travelling at 2m/s. After collision both balls move at the same velocity 'v'. What is magnitude of velocity 'v'?

Which statement is true for projectile when it is at highest point of its path

Which feature of graph allows acceleration to be determined?

The minimum number of unequal force vectors whose sum can be zero are

The significant figures in 0.000365 are

Which of the following pairs of physical quantities have the same dimensions?

Dimension formula for angular momentum is

If 'R_x' is negative and Rsub>y component is positive, the direction of resultant R' is

\(\mathop A\limits^ \to .\mathop j\limits^ \wedge \)

What is S.I unit of Entropy?

If heat Q is absorbed or rejected by the system of corresponding temperature T when the system is taken through a Carnot cycle and Q₃ is the heat absorbed or rejected by the system when it is at the temperature of triple point of water, then unknown temperature T in kelvin is given by

For a geostationary satellite, the orbital radius measured from the centre of the Earth is:

Nowadays, a new type of optical fibre is being used in which the central core has high refractive index and its density gradually decreases towards its periphery. This type of optical fibre is called:

The distance between the objective and eye-piece of a telescope in normal adjustment is: