JIPMER Physics Mock Test - 5 - NEET MCQ

A small power station supplies electricity to 5000 lamps connected in parallel. Each lamp has a resistance of 220 Ω and is operated at 220 V. The total current supplied by the station is

When the plane of the armature of a.c. generator is parallel to the field, in which it is rotating,

Radio wave diffract around building although light waves do not. The reason is that radio waves:

There are six identical cells each having an electromotive force (e.m.f.) of 6 V, which are connected in series. The resultant e.m.f. of the combination is

The average power dissipation in a pure capacitor in AC circuit is

A wheel of radius R is rolling along a horizontal surface with a speed u. A pebble trapped on the wheel gets separated from the highest point of the wheel when the wheel arrives at position P (fig.). The horizontal range PQ of the pebble is

Two point charges +8q and -2q are located at x = 0 and x = L respectively. The location of a point on the x-axis, at which the net electric field due to these two point charges is zero, is

The electrostatic capacity of a capacitor depends upon its

A uniform chain of length L changes partly from a table which is kept in equilibrium by friction. The maximum length that can Withstand without slipping is l, then coefficient of friction between the table and the chain is

Orbital velocity of an artificial satellite does not depends upon

The periodic time of communication satellite is

A slab consists of two parallel layers of two different materials of same thickness having thermal conductivities k₁ and k₂. The equivalent conductivity of the combination is

In Young's double slit expt., the intensity on screen at a point where path difference is λ is K. What will be intensity at the point where path differnce is λ/4?

If two moles of diatomic gas and one mole of mono atomic gas are mixed then the ratio of specific heats is

Two long parallel wires carry equal current I in the same direction. The length of each wire is l and the distance between them is a. Force acting on each wire is

A direct current I flows along the length of an infinitely long straight thin walled pipe, then the magnetic field is

A straight wire of length 0.5 meter and carrying a current of 1.2 ampere is placed in a uniform magnetic field of induction 2 telsa. The magnetic field is perpendicular to the length of the wire. The force on the wire is

When 2 ampere current is passed through a tangent galvanometer, it gives a deflection of 30^o. For 60^o deflection, the current must be

The null points are on the axial line of a bar magnet, when it is placed such that its south pole points

Two similar bar magnets P and Q each of magnetic moment M are taken. If P is cut along its axial line and Q is cut along its equatorial line, all the four pieces obtained have each of

A beaker containing a liquid of density (ρ) moves up with an acceleration (a). The pressure due to liquid at a depth (h) below the surface of the liquid is

The surface tension of a liquid decreases with rise in

If a gymnast, sitting on a rotating stool with his arms outstretched, suddenly lowers his hands

Two similar wires under the same load yield elongations of 0.1 mm and 0.05 mm respectively. If the area of cross-section of the first wire is 4 mm², then the area of cross-section of the second wire is

A bullet moving with a speed of 100 ms^-1 can just penetrate two planks of equal thickness. Then, the number of such planks penetrated by the same bullet when the speed is doubled, will be

A man of mass 20kg standing in an elevator whose cable broke suddenly. If the elevator falls freely the force exerted by the floor of the elevator on the man is

In the nuclear decay given below:
 ,
the particles emitted in the sequence are: