List of top Physics Questions asked in JIPMER

In a Wheatstone?s network, $P = 2 \, \Omega , Q = 2\, \Omega , R = 2\, \Omega$ and$ S = 3\,\Omega$. The resistance with which $S$ is to be shunted in order that the bridge may be balanced is

Three long, straight parallel wires, carrying current, are arranged as shown in figure. The force experienced by a 25 cm length of wire C is

Who invented the cyclotron?

The refracting angle of a prism is A and refractive index is $\cot(A/2)$. The angle of minimum deviation is

The equivalent inductance of two inductors is $2.4 \,H$ when connected in parallel and $10 \,H$ when connected in series. What is the value of inductances of the individual inductors?

Which of the following are the longest wavelength?

What is the wavelength of the most energetic photon emitted in the Balmer series of the hydrogen atom?

Two solenoids of equal number of turns having their length and the radii in the same ratio $1 : 2$. The ratio of their self-inductance will be

Two uniform strings $A$ and $B$ made of steel are made to vibrate under the same tension. If the first overtone of $A$ is equal to the second overtone of $B$ and if the radius of $A$ is twice that of $B$, the ratio of the lengths of the strings is

Two rings of radii $R$ and $nR$ made up of same material have the ratio of moment of inertia about an axis passing through centre is 1 : 8. The value of $n$ is

The number of photons of wavelength of 540 nm emitted per second by an electric bulb of power 100 W is (Given $h ={ 6 \times 10^{-34} \,J \, s})$

Power dissipated across the $8 \,\Omega$ resistor in the circuit shown here is 2 watt. The power dissipated in watt units across the $3 \,\Omega$ resistor is :-

A planet in a distant solar system is 10 times more massive than the earth and its radius is 10 times smaller. Given that the escape velocity from the earth is ${11 \, km \, s^{-1}}$, the escape velocity from the surface of the planet would be

A cyclic process is shown in the figure. Work done during the cyclic process ABCDA is

A convex lens of focal length 20 cm made of glass of refractive index 1.5 is immersed in water having refractive index 1.33. The change in the focal length of lens is

The two slits are 1 mm apart from each other and illuminated with a light of wavelength $5 \times 10^{-7}$ m. If the distance of the screen is 1 m from the slits, then the distance between third dark fringe and fifth bright fringe is

A Carnot?s engine operates with source at $127?C$ and sink at $ 27?C$. If the source supplies 40 kJ of heat energy, the work done by the engine is

A block of wood floats in water with $\left( \frac{4}{5} \right)^{th}$of its volume submerged. If the same block just floats in a liquid, the density of the liquid (in Kg m$^{-3}$) is

A wire suspended vertically from one of its ends is stretched by attaching a weight of 200 N to the lower end. The weight stretches the wire by 1 mm. Then the elastic energy stored in the wire is

Two capillary tubes of radii 0.2 cm and 0.4 cm are dipped in the same liquid. The ratio of heights through which liquid will rise in the tubes is

From the top of a tower of height 40 m, a ball is projected upwards with a speed of ${20 \,m \, s^{-1}}$ at an angle of elevation of 30?. Then the ratio of the total time taken by the ball to hit the ground to its time to same height is Take ${g = 10 \, m \, s^{-2}}$

A boy walks to his school at a distance of 6 km with constant speed of ${2.5\, km \, h^{-1}}$ and walks back with a constant speed of ${4\, km \, h^{-1}}$. His average speed for round trip expressed in ${ km \, h^{-1}}$, is

Two bars $A$ and $B$ of circular cross-section and of same volume and made of the same material are subjected to tension. If the diameter of $A$ is half that of $B$ and if the force applied to both the rods is the same and it is in the elastic limit, the ratio of extension of $A$ to that of $B$ will be

A 280 day old radioactive substance shows an activity of 6000 dps, 140 days later its activity becomes 3000 dps. What was its initial activity?

The speed of earth?s rotation about its axis is $\omega$. Its speed is increased to $x$ times to make the effective acceleration due to gravity equal to zero at the equator. Then $x$ is