List of top Physics Questions asked in COMEDK UGET

The centre of mass of a system of two bodies of masses $M$ and $m, (M > m)1$ separated by a distance $d$ is
The increase in the height of the tower of height $200\,m$ to get its coverage range tripled is
A proton and helium nucleus are shot into a magnetic field at right angles to the field with same kinetic energy. Then the ratio of their radii is
In an inelastic collision, which of the following is true?
The universal gas law $\left( \frac{PV }{T} = { constant} \right)$ is applicable to
Which one of the following represents uniform motion ?
A hospital uses an ultrasonic scanner to locate tumors in a tissue. The operating frequency of the scanner is $4.2 \, MHz$. The speed of sound in a tissue is $1.7 \, km \, s^{-1}$. The wavelength of sound in the tissue
The $TV$ signals have a bandwidth of $3.7\, MHz$. The number of $TV$ channels that can be accommodated with a band of $3700 \,GHz$ is
The temperature of an object is $60^{\circ} C$. Its value in Fahrenheit scale is
Einstein was awarded Nobel prize for his work in
One second is defined as
On an average, a human heart is found to beat $72$ times a minute. Its frequency and period are
The mutual inductance between two coils depends upon
Find the energy equivalent of one atomic mass unit in joules and in $MeV$.
The photoelectric threshold for a certain metal is $3600\, \mathring A$. The maximum energy of the ejected photoelectrons by radiation of $2000\, \mathring A$ is (Given $h = 6.62 \times 10^{-34} J \, s$ )
An aeroplane is flying horizontally with a velocity of $360\, km\, h^{-1}$. The distance between the tips of the wings of the aeroplane is $50\, m$. The vertical component of the earth's magnetic field is $4 \times 10^{-4} \, Wb \, m^{-2}$. The induced e.m.f. is
The normal magnetic flux passing through a coil changes with time according to the equation $\phi = 6t^2 - 5t + 1$. What is the magnitude of the induced current at $t = 0.253\, s$ and resistance $10 \, \Omega $ ?
The dimensions of energy and torque respectively are
A pump on the ground floor of a building can pump up water to fill the tank of $30\, m^3$ in $15\,min$. If the tank is $40\,m$ above the ground, and the efficiency of the pump is $30\,%$, the power consumed by the pump is $(g = 10 \, m \, s^{-2})$
The value of $g$ at a height equal to half the radius of the earth from the earth's surface is
If $A$ is the angle of prism, $r$ angle of refraction, then the condition for minimum deviation is
A galaxy moves with respect to us so that sodium light of $589.0 \,nm$ is observed at $589.6 \,nm$. The speed of the galaxy is
"Plum pudding" model of an atom was proposed by
A glass hemisphere of radius 0.1 cm and refractive index 1.5 is placed over a spot on a table and the spot is viewed from above. The spot appears to be
A particle is moving eastward with velocity $5 \, m \, s^{-1}$ In 10 s the velocity changes to $5\, m\, s^{-1}$ northwards. The average acceleration in this time is