List of top Physics Questions asked in MET

An object A moving horizontally with kinetic energy of 800 J experiences a constant opposing force of 100 N, while moving from a place x to a place y, where xy is 2 m. What is the energy of A at y?

A force of 5 N gives a mass \(M_1\) an acceleration equal to \(8 \, \text{m/s}^2\) and \(M_2\) an acceleration equal to \(24 \, \text{m/s}^2\). What is the acceleration, if both masses are tied together?

A simple spring has length L and force constant k. It is cut into two springs of lengths \( l_1 \) and \( l_2 \) such that \( l_1 = n l_2 \) (n = an integer). The force constant of spring of length \( l_1 \) is:

A fireman weighing \(80\,\text{kg}\) slides down a pole. If the resisting force of friction is \(720\,\text{N}\), his acceleration would be: (take \( g = 10\,\text{m/s}^2 \))

A 4 kg block A is placed on the top of a block B of mass 8 kg, which rests on a smooth table. A just slips on B when a force of 12 N is applied on A. Then, the maximum horizontal force required to make both A and B move together is:

A particle p is moving in a circle of radius r with a uniform speed v, C is the centre of the circle and AB is the diameter. The angular velocity of p about A and C is in the ratio:

A particle is projected from the ground with an initial speed of u at an angle \( \theta \) with horizontal. The average velocity of the particle between its point of projection and highest point of trajectory is:

A particle of mass m is moving in a horizontal circle of radius R under the centripetal force \( = -\frac{k}{R^2} \) where k is a constant. What is the total energy of the particle?

A cyclist moving on a circular track of radius 40 m completes half a revolution in 40 s. Its average velocity is:

The displacement of an oscillating particle is given by \( y = A \sin[Bx + Ct + Dt] \). The dimensional formula for \( [ABCD] \) is:

Radiation, with wavelength 6561 $?$ falls on a metal surface to produce photoelectrons. The electrons are made to enter a uniform magnetic field of $3 \times 10^{-4} T$. If the radius of the largest circular path followed by the electrons is 10 mm, the work function of the metal is close to :

A body of mass \( m \) rises to a height \( h = \frac{R}{5} \) from the earth's surface, where \( R \) is the earth’s radius. If \( g \) is acceleration due to gravity at the earth’s surface, then the increase in potential energy is:

The energy required to break the covalent bond in a semiconductor is:

When a glass prism of refracting angle \(60^\circ\) is immersed in a liquid its angle of minimum deviation is \(30^\circ\). The critical angle of glass with respect to the liquid medium is:

A comb is run through wet hair on a rainy day, then:

The displacement-time graph of a particle moving along a straight line is shown in the figure. The acceleration-time graph of this particle is:

Thermal radiation exist in which part of electromagnetic spectrum?

A rod of length \(L\) is composed of two equal parts: half wood (mass \(m_w\)) and half brass (mass \(m_b\)). The moment of inertia about an axis through its centre and perpendicular to the rod is:

A particle, doing simple harmonic motion, at a distance \(3\,cm\) from mean position has acceleration \(12\,cm/s^2\). What is its time period?

A step up transformer has turn ratio \(10:1\). A cell of emf \(2\,V\) is fed to the primary, then the secondary voltage developed is:

A man at a distance \(11\,km\) from two pillars wants to see them separately. What will be the approximate distance between the pillars?

Dimensions of Stefan’s constant is:

Time period of oscillation of mass \(m\) suspended from a spring is \(T\). What is the time period when the spring is cut in half and the same mass is suspended from one of the halves?

An electric current of \(2\,A\) passes through a wire of resistance \(25\,\Omega\). How much heat will be generated in \(1\,min\)?