JIPMER Full Mock Test - 14 - NEET MCQ

A 5.0 μ F capacitor is charged to a potential difference of 800 V and discharged through a conductor. The energy given to the conductor during the discharge is

A man is sitting on a rotating table with his arms stretched outwards. When he suddenly folds his arms inside, then his

Every atom makes one free electron in copper. If 1.1 ampere current is flowing in the wire of copper having 1 mm diameter, then the drift velocity (approx.) will be (Density of copper = 9 x 10³ kg m^-1 and atomic weight = 63)

The colour sequenece in a carbon resistor is red, brown, orange and silver. The resistance of the resistor

The current flowing in a step down transformer 220 V to 22 V having impedance 220 Ω is

The fact that radiosignals reach the earth from outside the atmosphere, was discovered accidently by

A thin spherical conducting shell of radius R has charge q. Another charge Q is placed at the centre of the shell. The electrostatic potential at a point P at a distance R/2 from the centre of the shell is

Two thin wire rings each having a radius R are placed at a distance d apart with their axes coinciding. The charges on the two rings are +q and -q. The potential difference between the centres of the two rings is

If a ladder weighing 250 N is placed against a smooth vertical wall having coefficient of friction between it and floor is 0.3, then what is the maximum force of friction available at the point of contact between the ladder and the floor

If a person moves from the pole to the equator, the value of his weight will

A geostationary satellite

A monochromatic beam of light is used for the formation of fringes on the screen by illuminating two slits in the Young's double-slit interference experiment. When a thin film of mica is interposed in the path of one of the interfering beams, then

Heat is flowing through two circular rods of the same material. The diameters of the rods are in the ratio of 1:2 and their lengths in the ratio of 2:1. If the temperature difference between the ends of the two rods is same, then ratio of the rates of flow of heat through them, will be

The root mean square velocity of the gas molecules is ν at pressure P. If the pressure increase by two times, then the root mean square velocity will become

A circular disc of radius 0.2 meter is placed in a uniform magnetic field of induction (1/π) (Wb/m² ) in such a way that its axis makes an angle of 60^o with B^→ . The magnetic flux linked with the disc is

The range of voltmeter of resistance 300Ω is 5V. The resistance to be connected to convert it is an ammeter of range 5A is

The gyromagnetic ratio of an electron of charge e and mass m is equal to

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

Which of the following is an example for diamagnetic substances?

A magnet of length 10cm and magnetic moment 1 Am² is placed along the side AB of an equilateral triangle ABC. If the length of the side AB is 10cm, the magnetic induction at the point 'C' is ( μ₀ = 4 π x 10^-7  Hm^-1 )

The excess pressure inside one soap bubble is three times that of a second bubble. The ratio of the volumes of the first bubble to that of second bubble is

A solid of density ρ₁ is floating in a liquid of density ρ₂. If ν is the volume of solid submerged in the liquid and V is the total volume of the solid, the ν/V is equal to

A metallic wire is suspended by attaching some weight to it. If α is the longitudinal strain and Y is Young's modulus, then the ratio between elastic potential energy and the energy density is equal to

A spherical shell has mass M and radius R. Moment of inertia about its diameter will be

The distance between two particles is decreasing at the rate of 6 m/sec. If these particles travel with same speeds and in the same direction, then the separation increase at the rate of 4 m/sec. The particles have speeds as

A weightless ladder 20 ft long rests against a frictionless wall at an angle of 60^o from the horizontal. A 150 pound man is 4 ft from the top of the ladder. A horizontal force is needed to prevent it form slipping. Choose the correct magnitude from the following