List of top Physics Questions asked in COMEDK UGET

When a car of mass \( m \) is moving with speed \( v \) along a circle of radius \( r \) on a level road, the centripetal force is provided by \( f \), where \( f \) denotes
According to Pascal’s law, pressure in a fluid at rest is the same at all points, if
Newton’s second law of rotational motion of a system of particles having angular momentum \( L \) is given by
The motion of a particle of mass \( m \) is described by \( y = ut + g t^2 \). The force acting on the particle will be
If an electron in hydrogen atom jumps from an orbit of level \( n = 3 \) to an orbit at level \( n = 2 \), emitted radiation has a frequency of
\( (R = \text{Rydberg’s constant}, \ c = \text{speed of light}) \)
A wire is stretched to double of its length. The strain is
A constant potential energy of a satellite is given as \[ PE = r \cdot KE \] where PE = potential energy and KE = kinetic energy. The value of \( r \) will be
A long solenoid has 20 turns cm\(^{-1}\). The current necessary to produce a magnetic field of 20 mT inside the solenoid is approximately
Within the elastic limit, the corresponding stress is known as
Kepler’s second law of planetary motion corresponds to
The collision of the molecules of an ideal gas is taken as
The average energy associated with a monoatomic molecule is
The resistance of a wire is \( R \) ohm. If it is melted and stretched to \( n \) times its original length, its new resistance will be
An unpolarised beam of intensity \( I_0 \) is incident on a pair of nicols making an angle of \( 60^\circ \) with each other. The intensity of light emerging from the pair is
Which of the following waves are used in the treatment of muscle ache?
The displacement of a wave is given by \( y = 20 \cos(\omega t + 4x) \). The amplitude of the wave is
The function \( y = \log(\omega t) \) can represent
What is the minimum band-gap of the LED diode?
Find the logic gate, when both the inputs are high the output is low and vice-versa.
What is the electric field near an infinite plane sheet of charge density \( \sigma \)?
If frequencies are \( (v - 1) \) and \( (v + 2) \), then find the value of beats.
For an ideal gas, coefficient of volume expansion is given by
The correct arrangement in increasing order of wavelength of X-rays, UV rays, and microwaves is
Two particles of masses \( m_1 = m \), \( m_2 = 2m \) and charges \( q_1 = q \), \( q_2 = 2q \) entered into uniform magnetic field. Find \( \frac{F_1}{F_2} \) (force ratio).
The velocity of the proton is one-fourth the velocity of the electron. What is the ratio of the de-Broglie wavelength of an electron to that of a proton?