List of top Physics Questions asked in JIPMER

A battery of emf 10V and internal resistance 0.5 ohm is connected across a variable resistance R. The value of R for which the power delivered in it is maximum is given by :

If a charged spherical conductor of radius 10 cm has potential V at a point distant 5 cm from its centre, then the potential at a point distant 15 cm from the centre will be:

The working principle of a ball point pen is:

A parallel plane condenser is filled with two dielectrics as shown in figure. Area of each plate is A in m2 and the separation is d metre. The dielectric constants are $ {{K}_{1}} $ and $ {{K}_{2}} $ respectively. Its capacitance in farad will be:

1 nm is equal to:

A polariser is used to:

The temperature of perfect black body is $ 727{}^\circ C $ and its area is $ 0.1\,{{m}^{2}} $ . If Stefans constant is $ 5.67\text{ }watt/{{m}^{2}}s{{K}^{-4}}, $ then heat radiated by it in 1 minute is:

In intrinsic semiconductor at room temperature, number of electrons and holes are:

The binding energy per nucleon is maximum in the case of :

A luminous object is placed at a distance of 30 cm from the convex lens of focal length 20 cm. On the other side of the lens, at what distance from the lens a convex mirror of radius of curvature 10 cm be placed in order to have an upright image of the object coincident with it;

A body is thrown with a velocity of 9.8 m/s making an angle of $ 30{}^\circ $ with the horizontal. It will hit the ground after a time:

220 V, 50 Hz AC source is connected to an inductance of 0.2 H and a resistance of 20 ohm in series. What is the current in the circuit:

A radioactive element $ _{90}{{X}^{238}} $ decays into $ _{83}{{\Upsilon }^{222}}. $ The number of P-particle emitted are:

A small satellite is revolving near earths surface. Its orbital velocity will be nearly:

The kinetic energy $k$ of a particle moving along a circle of radius $R$ depends on the distance covered. It is given as $KE = as ^{2}$, where a is a constant. The force acting on the particle is

According to Newton, the viscous force acting between liquid layers of area A and velocity gradient $ \frac{\Delta \upsilon }{\Delta z} $ is given by $ F=\eta A\frac{\Delta \upsilon }{\Delta z} $ where $ \eta $ is a constant called coefficient of viscosity. The dimension of $ \eta $ are:

The maximum and minimum distance of a comet from the sun are $ 8\times 10^{12}m$ and $ 1.6\times 10^{12}m$ . If its velocity when nearest to the sun is 60 m/s, what will be its velocity in m/s when farthest?

For a gas $ \frac{R}{{{C}_{\upsilon }}}=0.67. $ This gas is made up of molecules which are:

The plates of a parallel plate capacitor of capacity 50 $ \mu F $ are charged to a potential of 100 volts and then separated from each other so that the distance between them is doubled. How much is the energy spent in doing so?

An electron having charge $ 1.6\times {{10}^{-19}} $ and mass $ 9\times {{10}^{-31}}kg $ is moving with $ 4\times {{10}^{6}}m{{s}^{-1}} $ speed in a magnetic field $ 2\times {{10}^{-1}} $ tesla in a circular orbit. The force acting on electron and the radius of the circular orbit will be:

The unit of luminous efficiency of electric bulb is:

A person cannot see objects clearly beyond 2.0 m. The power of lens required to correct his vision will be :

Two waves $ y=0.25\text{ }sin\,316t $ and $ y=0.25\,\sin 310\,t $ are travelling in same direction. The number of beats produced per second will be :

A convex lens of focal length 0.5 m and concave lens of focal length 1 m are combined. The power of the resulting lens will be:

Half lives of two radioactive substances A and B are respectively 20 minute and 40 minute. Initially the sample of A and B have equal number of nuclei. After 80 minutes, the ratio remains in number of A and B nuclei is.