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NEET Mock Test - 28 - NEET MCQ


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30 Questions MCQ Test - NEET Mock Test - 28

NEET Mock Test - 28 for NEET 2024 is part of NEET preparation. The NEET Mock Test - 28 questions and answers have been prepared according to the NEET exam syllabus.The NEET Mock Test - 28 MCQs are made for NEET 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for NEET Mock Test - 28 below.
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NEET Mock Test - 28 - Question 1

Work of electric motor is

Detailed Solution for NEET Mock Test - 28 - Question 1

An electric motor is used to convert electrical power into mechanical power. Reverse is done by turbines, generators and dynamos and conversion of DC to AC is done using rectifiers.

NEET Mock Test - 28 - Question 2

The order of wavelength of X - ray is

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NEET Mock Test - 28 - Question 3

A resistor of 0.5 Ω is connected to another resistor in parallel combination to get an equivalent resistance of 0.1 Ω. The resistance of the second resistor is

NEET Mock Test - 28 - Question 4

Which of the following is discovered from the discharge tube experiment?

NEET Mock Test - 28 - Question 5

Two photons of energies twice and thrice the work function of a.metal are incident On the metal surface. Then the ratio of maximum velocities of the photoelectrons emitted in the two cases respectively is

NEET Mock Test - 28 - Question 6

A plumb line is suspended from a ceiling of a ear moving with horizontal acceleration of a. What will be the angle of inclination with vertical?

NEET Mock Test - 28 - Question 7

The internal resistance of a cell of e.m.f. 2 V is 0.1 Ω. It is connected to a resistance of 3.9 Ω. The voltage across the cell will be

NEET Mock Test - 28 - Question 8

A particle of mass m at rest decays into two masses m₁ and m₂ with non-zero velocities. The ratio of de-Broglie wavelengths of the masses λ₁/λ₂ is

NEET Mock Test - 28 - Question 9

In Millikan's experiment, an oil drop having charge q gets stationary on applying a potential differnce V in between two plates separated by a distance 'd'. The weight of the drop is

NEET Mock Test - 28 - Question 10

When a proton is accelerated through 1 V, then its kinetic energy will be

NEET Mock Test - 28 - Question 11

The work function of aluminium 4.2 eV. If two protons, each of energy 3.5 eV strike and electron of aluminimum, then emission of electrons will be

NEET Mock Test - 28 - Question 12

A small coil of radius r is placed at the centre of a large coil of radius h (where R >> r). The two coils are coplanar. The mutual inductance between the coil is proportional to

NEET Mock Test - 28 - Question 13

Which scientist experimentally proved the existance of electromagnetic waves?

NEET Mock Test - 28 - Question 14

In T.V. broadcasting both picture and sound are transmitted simultaneously. In this

NEET Mock Test - 28 - Question 15

A dust particle of mass 10−3 gm is stationary between the plates of a horizontal parallel plate capacitor of 0.016m separation which is connected to a voltage of 100V. How many fundamental charges (e = 1.6 x 10 − 19 C) the dust particle carries

NEET Mock Test - 28 - Question 16

Two spherical conductors A and B having equal radii and carrying equal charges on them, repel each other with a force F, when kept apart at some distance. A third spherical conductor C having same radius as that of A, but uncharged, is brought in contact with A, then brought in contact with B and finally removed away from both. The new force of repulsion between the conductors A and B is

NEET Mock Test - 28 - Question 17

Two bodies of equal mass m go around a circular path of radius R under the action of their mutual gravitional attraction, in such a way that they remain opposite to each other. The speed of each body is

NEET Mock Test - 28 - Question 18

On a cold morning, a metal surface will feel colder to touch than a wooden surface because

NEET Mock Test - 28 - Question 19

A spring balance is attached to the ceiling of a lift. A man hangs his bag on the spring and the balance reads 49 N when the lift is stationary. If the lift moves downwards with an acceleration of 5 m/s2, the reading of the spring balance would be

NEET Mock Test - 28 - Question 20

At a given temperature, the pressure of an ideal gas of density ρ is proportional to

NEET Mock Test - 28 - Question 21

The magnetic dipole moment of a current loop is independent of

NEET Mock Test - 28 - Question 22

A bar magnet is equivalent to a current-carrying

NEET Mock Test - 28 - Question 23

At the neutral point, horizontal component of the magnetic field due to a magnet is

NEET Mock Test - 28 - Question 24

How much force is required to produce an elongation of 0.2% in the length of a brass wire of diameter 0.6 mm? (Take Young's modulus for brass = 0.9x1011 N-m⁻2)

NEET Mock Test - 28 - Question 25

If in a nuclear reactor using U235 as fuel, the power output is 4.8 mega watts, the number of fissions per second is:
(energy released per fission of U235 = 200 MeV; 1eV = 1.6 x 10−19 J)

NEET Mock Test - 28 - Question 26

Two spheres of equal masses but radii r1 and r2 are allowed to fall in a liquid of infinite column. The ratio of their terminal velocities are

NEET Mock Test - 28 - Question 27

The difference between the mass of a nucleus and the total mass of the constituents is its

NEET Mock Test - 28 - Question 28

α- particle is equivalent to

NEET Mock Test - 28 - Question 29

Two points are located at a distance of 10 m and 15 m from the source of oscillation . The period of oscillation is 0.05 sec and the velocity of the wave is 300 m/sec. What is the phase difference between the oscillations of two points ?

NEET Mock Test - 28 - Question 30

A ray of light passes through an equilateral prism such that the angle of incidence is equal to the angle of emergence and the latter is equal to 3/4 the angle of prism. The angle of deviation is

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