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AIIMS Physics Mock Test - 4 - NEET MCQ


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30 Questions MCQ Test AIIMS Mock Tests & Previous Year Question Papers - AIIMS Physics Mock Test - 4

AIIMS Physics Mock Test - 4 for NEET 2024 is part of AIIMS Mock Tests & Previous Year Question Papers preparation. The AIIMS Physics Mock Test - 4 questions and answers have been prepared according to the NEET exam syllabus.The AIIMS Physics Mock Test - 4 MCQs are made for NEET 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for AIIMS Physics Mock Test - 4 below.
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AIIMS Physics Mock Test - 4 - Question 1

An A.C. source is connected to a resistive circuits. Which of the following is true?

AIIMS Physics Mock Test - 4 - Question 2

Δ λ is the difference between the wavelength of Kα line and the minimum wavelength of a continuous X - ray spectrum when the X - ray tube is operated at a voltage V. If the operating voltage is changed to V/3 , then the above difference is Δλ1 . Then

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AIIMS Physics Mock Test - 4 - Question 3

Putting a dielectric substance between two plates of a condenser, the capacity, potential and potential energy respectively

AIIMS Physics Mock Test - 4 - Question 4

A block of mass 0.50 kg is moved with a speed of 2.00 m/s on a smooth surface . It strikes another mass of 1.00 kg and then they move together as a single body . The energy loss during the collision is

AIIMS Physics Mock Test - 4 - Question 5

What will happen to de-Broglie's wavelength if the velocity of electron is increased ?

AIIMS Physics Mock Test - 4 - Question 6

A battery having emf 4 V and internal resistance 0.5 Ω is connected with a resistance of 4.5 Ω, then the voltage at the terminals of battery is

AIIMS Physics Mock Test - 4 - Question 7

Mutual inductance of two coils can be increased by

Detailed Solution for AIIMS Physics Mock Test - 4 - Question 7


∴ M can be increased by increasing the number of turns in the coils.

AIIMS Physics Mock Test - 4 - Question 8

A 100 mH coil carries a current of 10 A. The magnetic energy stored in the coil is

AIIMS Physics Mock Test - 4 - Question 9

In an electron gun, the electrons are accelerated by the potential V. If e is the charge and m is the mass of an electron, then the maximum velocity of these electrons will be

AIIMS Physics Mock Test - 4 - Question 10

The essential distinction between X-rays and γ-rays is that

AIIMS Physics Mock Test - 4 - Question 11

What is the de Broglie wavelength of the α-particle accelerated through a potential difference V

AIIMS Physics Mock Test - 4 - Question 12

The coil of a dynamo is rotating in a magnetic field. The developed induced e.m.f. changes and the number of magnetic lines of force also changes. The phenomenon can be correctly described as

AIIMS Physics Mock Test - 4 - Question 13

A light bulb and a parallel plate capacitor (including a dielectric material between the plates) are connected in series to the 60-Hz ac voltage at a wall outlet. When the dielectric material is removed from the space between the plates, does the brightness of the bulb,

AIIMS Physics Mock Test - 4 - Question 14

The velocity of light in vacuum can be changed by changing

AIIMS Physics Mock Test - 4 - Question 15

If the distance between the plates of a parallel plate condenser is halved and the dielectric is doubled, then its capacity increases by

AIIMS Physics Mock Test - 4 - Question 16

Two masses of 1 gm and 4 gm are moving with equal kinetic energies. The ratio of the magnitudes of their linear momentum is

AIIMS Physics Mock Test - 4 - Question 17

If the stone is thrown up vertically and return to ground, its potential energy is maximum

AIIMS Physics Mock Test - 4 - Question 18

The region between two concentric spheres of radii R1 and R2 includes a volume charge density given by where a is a constant and r is the distance from the centre. There is a charge Q located at the centre. The value of a for which the region R1 ≤ r ≤ R2 has a constant electric field intensity is

AIIMS Physics Mock Test - 4 - Question 19

When red glass is heated in dark room it will seem

Detailed Solution for AIIMS Physics Mock Test - 4 - Question 19
Option A is correct. while piece of red glass heated in high temperature it glows green only for further a piece of green glass heated in high temperature it glows red only.
AIIMS Physics Mock Test - 4 - Question 20

Out of the following bulbs which has the maximum resitance,

AIIMS Physics Mock Test - 4 - Question 21

Nickel shows ferromagnetic property at room temperature. If the temperature is increased beyond Curie temperature, then it will show

AIIMS Physics Mock Test - 4 - Question 22

A bar magnet is held perpendicular to a uniform field. If the couple acting on the magnet is to be halved by rotating from above position, the angle by which it is to be rotated is

AIIMS Physics Mock Test - 4 - Question 23

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

AIIMS Physics Mock Test - 4 - Question 24

If the lift in quenstion no. 39 moves up with an acceleration equal to the acceleration due to gravity, the reading on the spring balance will be

AIIMS Physics Mock Test - 4 - Question 25

Gamma rays are

AIIMS Physics Mock Test - 4 - Question 26

In the following question, a Statement of Assertion (A) is given followed by a corresponding Reason (R) just below it. Read the Statements carefully and mark the correct answer-
Assertion(A): Whether the electromagnetic field will show up as an electric field or a magnetic field or a combination, depends on the frame from which we are looking at the field.
Reason(R): Electromagnetic field is frame independent.

AIIMS Physics Mock Test - 4 - Question 27

A mass m is vertically suspended from a spring of negligible mass. The system oscillates with a frequency n. What will be the frequency of the system, if a mass 4m is suspended from the same spring ?

AIIMS Physics Mock Test - 4 - Question 28

In the following question, a Statement of Assertion (A) is given followed by a corresponding Reason (R) just below it. Read the Statements carefully and mark the correct answer-
Assertion(A):If a dielectric is placed in an electrical field, induced surface charges appear which tend to weaker the original field within the dielectric.
Reason(R) : All dielectric materials have permanent dipole moments due to atomic or molecular dipoles.

AIIMS Physics Mock Test - 4 - Question 29

In the following question, a Statement of Assertion (A) is given followed by a corresponding Reason (R) just below it. Read the Statements carefully and mark the correct answer-
Assertion(A): Kirchoff's loop law represents conservation of energy.
Reason(R): If the sum of potential changes around a closed loop is not zero, unlimited energy could be gained by repeatedly carrying a charge around a loop.

AIIMS Physics Mock Test - 4 - Question 30

In the following question, a Statement-1 is given followed by a corresponding Statement-2 just below it. Read the statements carefully and mark the correct answer-
Statement-1:
The sensitivity of a moving coil galvanometer is increased by placing a suitable magnetic material as a core inside the coil.
Statement-2:
Soft iron has a high magnetic permeability and cannot be easily magnetized or demagnetized.

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