List of top Physics Questions on Physics 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)

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

One point charge (q) each, is placed along a line at 3 different points \(x = 0\), \(x = 2 \, \text{nm}\) and \(x = 6 \, \text{nm}\). The force between two charges separated by 2 nm is 2 piconewton (pN). The magnitude of force (in pN) on the charge in the middle due to the other two charges is ..............

Consider two bodies with equal masses of \( 10^{12} \) kg each and R distance apart. Let G be the gravitational constant and \( V_0 \) be a constant with dimensions of energy. Which of the following represent(s) gravitational potential energy (V) between the bodies, such that Newton's law of gravitation is valid?

At a given time \( t \), velocity \( v(t) \) and acceleration \( a(t) \) of a particle undergoing simple harmonic motion are given by
\[ v(t) = -100 \sin \left( 20 t + \frac{\pi}{3} \right), \] \[ a(t) = -2000 \cos \left( 20 t + \frac{\pi}{3} \right). \] Assuming all quantities are in SI units, the amplitude of the oscillation is ............

Consider two particles, each of mass 20 g; the first particle is moving with a speed of 10 m/s along a one-dimensional track in the positive x-direction and collides with the second particle at rest. Assuming that the collision is elastic, the speed (in m/s) of the first particle after the collision is ...............

Consider a spherical particle of mass \( m \) and radius \( r \) moving in a medium. Its velocity at any time is given by \( v = v_0 \exp\left( -\frac{6 \pi X r t}{m} \right) \), where \( v_0 \) is the initial velocity of the particle. The dimensions of \( X \) are