List of top Physics Questions asked in COMEDK UGET

What is the dimensional formula for universal gravitational constant $G$ ?

One second is defined as

On an average, a human heart is found to beat $72$ times a minute. Its frequency and period are

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

Which one of the following represents uniform motion ?

The ratio of $ \frac{C_P}{C_V}$ for a diatomic gas is

The centre of mass of a system of two bodies of masses $M$ and $m, (M > m)1$ separated by a distance $d$ is

A concave mirror forms an enlarged, erect, virtual image of an object, only when the object is placed

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 $h = 6.62 \times 10^{-34} J \, s$ )

The mutual inductance between two coils depends upon

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 magnetic properties of a magnet is lost at its

The universal gas law $\left( \frac{PV }{T} = { constant} \right)$ is applicable to

In an inelastic collision, which of the following is true?

The dimensions of energy and torque respectively are

A policeman on duty detects a drop of $15 \%$ in the pitch of the horn of a motor car as it crosses him. If the velocity of sound is $330 \, m \, s^{-1}$ , calculate the speed of the car.

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

Two boys are standing at ends $A$ and $B$ of a ground where $AB = 200\, m$. The boy at B starts running in a direction perpendicular to $AB$ with a speed of $6\, m \,s^{-1}$? The boy at A starts simultaneously with a velocity of $10 \, m \, s^{-1}$ and catches the other at time t where the time $t$ is

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

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 increase in the height of the tower of height $200\,m$ to get its coverage range tripled is

The temperature of an object is $60^{\circ} C$. Its value in Fahrenheit scale is