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AIIMS Full Mock Test - 9 - NEET MCQ


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30 Questions MCQ Test AIIMS Mock Tests & Previous Year Question Papers - AIIMS Full Mock Test - 9

AIIMS Full Mock Test - 9 for NEET 2024 is part of AIIMS Mock Tests & Previous Year Question Papers preparation. The AIIMS Full Mock Test - 9 questions and answers have been prepared according to the NEET exam syllabus.The AIIMS Full Mock Test - 9 MCQs are made for NEET 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for AIIMS Full Mock Test - 9 below.
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AIIMS Full Mock Test - 9 - Question 1

A coil of inductance 40 H is connected in series with a resistance of 8 Ω and the combination is joined to the terminals of a 2 volt battery. The time constant of the circuit is

AIIMS Full Mock Test - 9 - Question 2

In photoelectric phenomenon, the number of photo electrons emitted depends on

Detailed Solution for AIIMS Full Mock Test - 9 - Question 2

Photoelectric current depends on the intensity of incident light, the number of photoelectrons emitted per second is directly proportional to the intensity of incident radiation.

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AIIMS Full Mock Test - 9 - Question 3

An air capacitor of capacity C = 10μ F is connected to a constant voltage battery of 12 volt. Now the space between the plates is filled with a liquid of dielectric constant 5. The charge that flows now from battery to the capacitor is

Detailed Solution for AIIMS Full Mock Test - 9 - Question 3

C = 10 μ F
Charge in capacitor q = CV
= 10 x 12
= 120 μ C
On keeping liquid of dielectric constant5, capacity will becomes of 5 time.
∴ Charge q = 5 x 120
= 600 μ C

AIIMS Full Mock Test - 9 - Question 4

Identify that set in which all the three sustances are good conductors of electricity

AIIMS Full Mock Test - 9 - Question 5

Photons of energy 6eV are incident on a metal surface whose work function is 4eV. The minimum kinetic energy of the emitted photoelectrons will be

AIIMS Full Mock Test - 9 - Question 6

The stopping potential (V₀)

AIIMS Full Mock Test - 9 - Question 7

A shell is fired from a canon with velocity v m/sec at an angle θ with the horizontal direction. At the highest point in its path it explodes into two pieces of equal mass. One of the pieces retraces its path to the cannon and the speed in m/sec of the other piece immediately after the explosion is

Detailed Solution for AIIMS Full Mock Test - 9 - Question 7

Let '2m' be the mass of the cannon which is projected with velocity 'v' at an angle 'θ' with the horizontal direction
The horizontal component of the velocity of the cannon is, vx = v cosθ.
This component remains constant
At the maximum height, the cannon has only this component as the vertical component is momentarily zero


So, momentum before exploding = 2mv cosθ
After exploding one of the masses retraces the path of the cannon backwards
This is possible on if the part has velocity '-v cosθ'
Therefore, momentum after explosion = -mv cosθ + mu
So, by conservation of momentum
2mv cosθ = -mv cosθ + mu
⇒ u = (3v cosθ) m/s

AIIMS Full Mock Test - 9 - Question 8

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

AIIMS Full Mock Test - 9 - Question 9

Choke coil works on the principle of

AIIMS Full Mock Test - 9 - Question 10

A metal plate gets heated, when cathode rays against it, due to

AIIMS Full Mock Test - 9 - Question 11

The power factor of a series LCR circuit when at resonance is

AIIMS Full Mock Test - 9 - Question 12

The magnetic flux of 500 micro-webers passing through a 200 turn coil is reversed in 20 x 10-3 seconds. The average e.m.f. induced in the coil in volts is

Detailed Solution for AIIMS Full Mock Test - 9 - Question 12

Induced emf in the coil
 = 10 volts

AIIMS Full Mock Test - 9 - Question 13

Out of the folowing statement which is NOT true?

AIIMS Full Mock Test - 9 - Question 14

In an oscillating LC circuit the maximum charge on the capacitor is Q. The charge on the capacitor when the energy is stored equally between the electric and magnetic fields is

Detailed Solution for AIIMS Full Mock Test - 9 - Question 14

AIIMS Full Mock Test - 9 - Question 15

A long spring is stretched by 2 cm, its potential energy is U. If the spring is stretched by 10 cm, the potential energy stored in it will be

AIIMS Full Mock Test - 9 - Question 16

A particle of mass m is moving in a horizontal circle of radius r under a centripetal force equal to - K/r2, where K is a constant. The total energy of the particle is

AIIMS Full Mock Test - 9 - Question 17

The initial temperature of a body is 80ºC. If its temperature falls to 64ºC in 5 minutes and in 10 minutes to 52ºC then the temperature of surrounding will be

AIIMS Full Mock Test - 9 - Question 18

An infinite long plate has surface charge density σ . As shown in the figure a point charge q is moved from A to B. Net work done by electric field is:

AIIMS Full Mock Test - 9 - Question 19

An electric lamp is marked 60 W, 220 V. The cost of kilo watt hour of electricity is Rs 1.25. The cost of using this lamp on 220 V for 8 hours is

AIIMS Full Mock Test - 9 - Question 20

An electric dipole has the magnitude of its charge as q, and its dipole moment is p. It is placed in a uniform electric field E. If its dipole moment is along the direction of the field, then force acting on it and its potential energy are respectively

Detailed Solution for AIIMS Full Mock Test - 9 - Question 20


The situation is shown in adjacent figure  is parallel to 

∴ U = - pE cos 0 = - pE = Minimum
and the net force on the dipole is zero

AIIMS Full Mock Test - 9 - Question 21

For protecting sensitive equipment from external magnetic field, it should be

AIIMS Full Mock Test - 9 - Question 22

A bar magnet of pole strength 20 A-m is divided into 4 equal parts by slicing it along lines parallel to its length and breadth, passing through centre. The pole strength of each piece is

AIIMS Full Mock Test - 9 - Question 23

Two wires of the same material and length, but diameters in the ratio 1 : 2 are stretched by the same force. The elastic potential energy stored per unit volume for the two wires when stretched, will be in the ratio of

Detailed Solution for AIIMS Full Mock Test - 9 - Question 23

AIIMS Full Mock Test - 9 - Question 24

When a train stops suddenly, passengers in the running train feel an instant jerk in the forward direction because

AIIMS Full Mock Test - 9 - Question 25

To impart high energy to sub atomic particles, the particle accelerator used is

AIIMS Full Mock Test - 9 - Question 26

A body of mass 2 kg is made to oscillate with an angular frequency 4 rad-s⁻1 on a spring. The force constant of the spring is

AIIMS Full Mock Test - 9 - Question 27

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): A particle of mass m collides with another stationary particle of mass M. If the particle m stops just after the collision, the coefficient of restitution of collisions is equal to 1.
Reason(R): Momentum of system just before and after the collision remains constant.

AIIMS Full Mock Test - 9 - 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): Air quickly leaking out of a balloon becomes cooler.
Reason(R): The leaking air undergoes adiabatic expansion. Reason(R): The leaking air undergoes adiabatic expansion.

AIIMS Full Mock Test - 9 - 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): Coulomb's law gives the electric field due to a distribution of charges , while Biot-Savarts law gives the magnetic field due to a current element .
Reason(R): A stationary charge generates an electric field while a current generates a magnetid field in the surrounding space.

AIIMS Full Mock Test - 9 - Question 30

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): A lens of water formed by very thin convex glass layer has lesser focal length than a double convex lens of glass.
Reason(R): Refractive index of glass is more than that of water.

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