List of top Physics Questions asked in IIT JAM BT

A ball is thrown vertically upward with a speed of \(19.6\ \text{m/s}\). The value of acceleration due to gravity at that place is \(9.8\ \text{m/s}^2\). The maximum height (in cm) that the ball reaches is _ _ _. (in integer)

A photon has energy of \(3.1\times10^{-19}\ \text{J}\). Its wavelength (in \(\AA\)) is _ _ _. (round off to one decimal place)

Consider that \(M\), \(L\), and \(T\) indicate mass, length and time, respectively. If \([ML^2T^{-n}]\) is the dimensional formula for the physical quantity Torque, then the value of \(n\) is _ _ _. (in integer)

If a light beam (solid arrow in the shown figure) is entering from Air medium to Glass medium (having refractive index of \(1.5\)), then while entering

The capacitance of a parallel plate capacitor will get doubled if

If a simple pendulum has length \(l\) and time period \(T\) then a pendulum of length \(2l\) will have a time period of

Consider a block of mass \(m\) hanging using a string and pulley arrangement, as shown in the figure. The weight \(mg\) and tension \(T\) are working on the block in such a way that the block is not moving and the string is parallel to the perfectly vertical wall. If the block is just in contact but not attached/fixed with the wall and the coefficient of static friction is \(\mu\), then the static frictional force acting on the block is