JIPMER Full Mock Test - 3 - NEET MCQ

A block of mass m at the end of a string is whirled round in a vertical circle of radius R. The critical speed of the block at the top of its swing below which the string would slacken before the block reaches the top is

Three different capacitors are connected in series. Then:

Two wires of the same metal have same length, but their cross-sectional areas are in the ratio 3 : 1. If resistance of the thicker wire is 10 Ω, then total resistance of the wires in series combination will be

Which of the following waves have maximum wavelength?

The effective value of a.c. in a circuit is 10 A. The peak value of current is

In a transformer, the number of turns of primary coil and secondary coil are 5 and 4 respectively. If 240 V is applied on the primary coil, then the ratio of current in primary and secondary coil is

The electric potential V is given as a function of distance x (metre) by V = (5x² + 10x - 9) volt. Value of electric field at x = 1m is

When a body is connected to the earth, then electron from the earth, flow into the body. It means that the body is

A box is placed on an inclined plane and has to be pushed down. The angle of inclination is

The time-period of planet A around the sun is 8 times that of B. The distance of A from the sun is how many times greater than that of B from the sun?

As we go from the equator to the poles, the value of g

At a common temperture, a block of wood and a block of metal feel equally cold or hot. The temperatures of block of wood and block of metal are

At which temperature the velocity of O₂ molecules will be equal to the velocity of N₂ molecules at 0ºC

In Young's double slit experiment, the fringe width is β. If the entire arrangement is placed in a liquid of refractive index μ, the fringe width becomes

Cathode rays and canal rays produced in a certain discharge tube are deflected in the same direction, if

A long copper pipe carries a current. Then the magnetic field is

The magnetic moment of a circular coil carrying current is

The ratio of magnetic moments of two short magnets which give deflection in tan B position when placed at 12cm and 18cm from centre of a deflection magnetometer is

A tangent galvanometer is used to measure

Rate of change of torque τ with deflection θ is maximum for a magnet suspended freely in a uniform magnetic field of induction B, when

An air bubble of radius 10 mm is rising at a steady rate of 8 mm-s⁻¹ through a liquid of density 1.47x10³ kg-m⁻³. Neglecting density of air, the coefficient of viscosity of the liquid is (Take g = 9.8 m-s²)

The breaking stress of a wire depends upon

The moment of inertia of a sphere of radius R and mass M about a tangent to the sphere is

A body floats in a liquid contained in a beaker. If the whole system falls under gravity, then the upthrust on the body due to liquid is

A body released from a great height falls freely towards earth. Another body is released from the same height exactly one second later. The separation between the two bodies two seconds after the release of the second body is

A ball of mass 100g is moving with a velocity of 10m/sec and hits a bat and rebounds with a velocity of 10 m/s. The force of the blow by the bat acts for 0.01 sec. The average force exerted on the ball by the bat is

The nucleus of ₅₆Ba¹⁴¹ contains ---- neutrons