JIPMER Physics Mock Test - 1 - NEET MCQ

A string can withstand a tension of 50 Newtons. The greatest speed at which a body of mass 250 gm can be whirled in a circle using 50 cm length of string is—

The number of dry cells, each of e.m.f. 1.5 volt and internal resistance 0.5 ohm that must be joined in series with a resistance of 20 ohm so as to send a current of 0.6 ampere through the circuit is

In L-C-R series A.C. circuit, the phase angle between current and voltage is

'n' conducting wires of same dimensions but having resistivities 1, 2, 3, .....n are connected in series. The equivalent resistivity of the combination is

Two coils have a mutual inductance 0.005 H. The current cahnges in the first coil according to equation I=I₀ sin ωt where I₀ = 10 A and ω = 100 π rad/sec. The maximum value of e.m.f. in second coil is

Which of the following have minimum wavelength?

The electrostatic energy stored in a capacitor is

An electric dipole placed in a non-uniform electric field experiences

Radius of the earth is 6400 km. The radius of the orbit of a stationary satellite is about

The force of gravitation is

The interference occurs in which of the following waves?

An ideal gas has a volume of V at 2 atm pressure. Keeping the temprature of gas constant, its pressure is doubled. The volume of gas will become

Cosnider the following statements
Assertion (A) : The radiation from the sun's surface varies as the fourth power of its absolute temperature
Reason (R) : Sun is not a black body
Of these statements

A body takes 1 1/3 times as much time to slide down a rough inclined plane as it takes to slide down an identical but smooth inclined plane. If the angle of inclination of the inclined plane is 45^o, the coefficient of friction is

A cyclotron can not accelerate

A current of 2 ampere flows in a long, straight wire of radius 2mm. The intensity of magnetic field at the axis of the wire is

A proton and an α-particle, moving with the same velocity enter into uniform magnetic field, acting normal to the plane of their motion. The ratio of the radii of the circular paths described by the proton and α-particle is

Magnetic moment of a magnet is M. Maximum value of torque acting on this magnet when suspended in a uniform magnetic field of intensity B is

A bar magnet of magnetic moment 100 units is cut into two halves of equal length, each half will have a magnetic moment of

The magnetic susceptibility does not depend upon the temperature in

A column of water 60cm high supports a column of an unknown liquid of density 1500 kg m^-3. The height of liquid column is (Density of water = 1000 kg m^-3)

If the radius of a soap bubble is four times that of another, then the ratio of their pressures will be

Which of the following affets the elasticity of a substance?

The moment of inertia of a meter scale of mass 0.6kg about an axis perpendicular to the scale and located at the 20cm position on the scale in kg m² is (Breadth of the scale is negligible)

A rocket is fired upward from the earth's surface such that it creates an acceleration of 19.6 m/sec². If after 5 sec its engine is switched off, the maximum height of the rocket from the earth's surface would be

If a bullet of mass 5gm moving with velocity 100 m/sec, penetrates the wooden block upto 6cm. Then the average force imposed by the bullet on the block is

α - particle is equivalent to