List of top Physics Questions asked in NEET (UG)

The coefficient of restitution $e$, for a perfectly elastic collision is
The plate resistance of a triode is $3 \times 10^3 \Omega$ and its mutual conductance is $1.5 \times 10^{-3} A/V$. The amplification factor of the triode is
The x-t graph of a particle performing simple harmonic motion is shown in the figure. The acceleration of the particle at t=2s is:
x-t graph of a particle

An electron is moving around the nucleus of a hydrogen atom in a circular orbit of radius r. The coulomb force \(\vec F\) between the two is- (where K=\(\frac{1}{4\pi\epsilon_0}\))

A metal ring is held horizontally and bar magnet is dropped through the ring with its length along the axis of the ring. The acceleration of the falling magnet is
A black body at $227^{\circ} C$ radiates heat at the rate of $7\, cals / cm ^{2} s$. At a temperature of $727^{\circ} C$, the rate of heat radiated in the same units will be :