List of top Physics Questions asked in JIPMER MBBS

The efficiency of heat engine is \(\frac 16\), its efficiency is doubled when the temperature of sink decreases by 62°C, its efficiency doubles. Then what is the temperature of source?
Kinetic energy of a particle increased 4 times. What will be the relation between initial and final momentum.
A \(e^-\) when accelerated by \(V\) volts experiences a force \(F\) when it enters a uniform magnetic field. What will the force experience when it is accelerated by \(2V\) volts ?
If the efficiency of the engine is 50%, and its work output is 500 J. Find input?
How much intense is 80 db sound in comparison to 40 dB?
A current is flowing through the wire of diameter \(d\) having drift velocity of electron \(v_d\) in it. What will be new drift velocity when diameter of wire is made \(\frac d4\) ?
A force of 10 N acts on a body of mass 0.5 kg for 0.25 sec starting from rest. What is its momentum now?
Find I in shown figure
Find I in shown figure
In adiabatic conditions, 2 mole of \(CO_2\)gas at 300 K is expanded such that its volume becomes 27 times. Then, the work done is
(\(C_v=6 \ cal\ mol^-\) and \(γ = 1.33\))
Number of photons emitted by a 100 W (Js-1) yellow lamp in 1.0 s is
(λ of yellow light is 560 nm)
The transfer ratio β of transistor is 50. The input resistance of a transistor when used in C.E (common emitter) configuration is 1 kΩ. The peak value of the collector A.C current for an A.C. input voltage of 0.01 V peak is
The first line of Balmer series has wavelength 6563 Å. What will be the wavelength of the first member of Lyman series
A spherical black body with a radius of 12 cm radiates 450 watt power at 500 K. If radius were halved and the temperature doubled, the power radiated in watt would be :
The following figure shows a logic gate circuit with two inputs A and B and the output Y. The voltage waveforms of A, B and Y are given
Logic gate and timing diagram
The logic gate is
The figure shows elliptical orbit of a planet m about the sun S. The shaded area SCD is twice the shaded area SAB. If t1 is the time for the planet to move from C to D and t2 is the time to move from A to B then :
elliptical orbit of a planet m about the sun S
The molecules of a given mass of gas have a root mean square velocity of 200 ms-1 at 27°C and 1.0 × 105 N m-2 pressure. When the temperature is 127°C and the pressure 0.5 × 105 N m-2, the root mean square velocity in ms-1 is
The moment of inertia of a disc of mass M and radius R about an axis, which is tangential to the circumference of the disc and parallel to its diameter, is
The primary of a transformer has 400 turns while the secondary has 2000 turns. If the power output from the secondary at 1000 V is 12 kW, what is the primary voltage ?
A metallic bar is heated from 0 °C to 100 °C. The coefficient of linear expansion is 10-5K-1. What will be the percentage increase in length ?
A graph is plotted with PV/T on y-axis and mass of the along x-axis for different gases. The graph is
A Cylinder rolls down an inclined plane of inclination 30°, the acceleration of cylinder is
A gymnst takes turns with her arms & legs stretched. When she pulls her arms & legs in
Resonance frequency of LCR series a.c. circuit is f0. Now the capacitance is made 4 times, then the new resonance frequency will become.
If \(\vec{E}\) and \(\vec{B}\) represent electric and magnetic field vectors of the electromagnetic waves, then the direction of propagation of the waves will be along
Escape velocity when a body of mass m is thrown vertically from the surface of the earth is v, what will be the escape velocity of another body of mass 4m is thrown vertically