Physics Test - ...

The work done in an isothermal expansion of a gas depends upon:

In a potentiometer arrangement, a cell gives a balancing point at \(75 \mathrm{~cm}\) length of wire. This cell is now replaced by another cell of unknown emf. If the ratio of the emf's of two cells respectively is \(3: 2\), the difference in the balancing length of the potentiometer wire in above two cases will be __cm.

If a material have less specific heat then it means that ________.

When an object is oscillating in simple harmonic motion in the vertical direction, its maximum speed occurs when the object:

A force of 12 N displaces a body by 60 cm in its direction. The work done on the body will be:

Rutherford's α-particle experiment showed that the atoms have:

The electromagnetic waves can be produced by:

A body of density \(\rho\) is dropped from rest from a height \(h\) into a lake of density \(\sigma(\sigma>\rho)\). The maximum depth the body sinks inside the liquid is (neglect viscous effect of liquid):

If an electron and a proton having the same momenta enter perpendicular to a magnetic field, then