List of top Physics Questions asked in MP PMT

The electric potential on the hollow sphere ofradius 1 m is 1000 V. The potential at $\frac{1}{4}$ m from the centre of sphere is
The electric flux for Gaussian surface $A$ that encloses the charged particles in free is (Given $q_1, = - 14 \, n \, C, q_2 = 78.85 \, n \, C, \, q_3 = - 56 \, n \, C) $
The value of DC voltage in half wave rectifier in converting AC voltage V = 100 gm (314 t) into DC is
What controls the conduction of p-n function?
If half-Iife of radio isotope is 2 s and number of atoms is 25. The activity of a radioactive sample is measured as only 4, then after one half-life, the remaining atoms are
Mean free path of gas molecule at constant temperature is inversely proportional to
Electric field and current density have relation
Simple behaviour under all conditions of real gas is governed by the equation
Angular resolving power of human eye is
A car of mass m moves in a horizontal circular path of radius $r\,m$. At an instant its speed is v $ ms^{ - 1 } $ and is increasing at a rate of a $ ms^{ - 2}$ . Then the acceleration of the car is
A spring of spring constant $5 \times 10^3 Nm^{-1}$ is stretched initially by 5 cm from the unstretched position. Then the work required to stretch it further by another 5 cm is
An $\alpha -$ particle of energy 5 MeV is scattered through $180 ^\circ $ by a fixed uranium nucleus. The distance of the closest approach is of the order of
An insulator plate is passed between the plates of a capacitor. Then current
Which one of the following statements is true?
A tube of length $L$ is filled completely with an incompressible liquid of mass $M$ and closed at both the ends. The tube is then rotated in a horizontal plane about one of its ends with a uniform angular velocity $\omega.$ The force exerted by the liquid at the other end is
Infrared radiations are detected by
An arrow is shot into air. Its range is 200 m and its time of flight is 5 s. If g = 10 $ ms^{- 2} $, then the horizontal component of velocity of the arrow is
The radius of germanium (Ge) nuclide is measured to be twice the radius of $_{4}^{9}Be.$ The number of nucieons in Ge are
A laser beam is coherent because it contains
When a triode valve is used as an amplifier the phase difference between input and output voltages is
A cosmonaut is orbiting earth in a spacecraft at an altitude h = 630 km with a speed of 8 k$ms^{ - 1}$. If the radius of the earth is 6400 km, the acceleration of the cosmonaut is
A 5 A fuse wire can withstand a maximum power of 1 W in circuit. The resistance of the fuse wire is
How should people wearing spectacles work with a microscope?
A car runs at a constant speed on a circular track of radius 100 m, taking 62.8 s for every circular lap. The average velocity and average speed for each circular lap respectively is
Which of the following expressions is that of a simple harmonic progressive wave?