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JIPMER Physics Mock Test - 4 - NEET MCQ


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30 Questions MCQ Test JIPMER: Subject wise Tests & Practice Mock Tests 2024 - JIPMER Physics Mock Test - 4

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

The effective value of alternating current passing through 24 Ω resistor is 5 A. The maximum potential difference across the resistor is

JIPMER Physics Mock Test - 4 - Question 2

K1 and K2vare the maximum kinetic energies of the photoelectrons emitted when light of wavelengths λ1 and λ2 respectively are incident on a metallic surface. If λ1  = 3 λ2  , then

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JIPMER Physics Mock Test - 4 - Question 3

The resonant frequency of a circuit is f. If the capacitance is made 4 times the initial value, then the resonant frequency will becomes

Detailed Solution for JIPMER Physics Mock Test - 4 - Question 3

f = 1/2π LC
∴ f' = 1/2π √ 4LC = f/2

JIPMER Physics Mock Test - 4 - Question 4

A ball of mass 0.25 kg attached to the end of a string of length 1.96 m is moving in a horizontal circle. The string will break if the tension is more than 25 N. What is the maximum speed with which the ball can be moved

Detailed Solution for JIPMER Physics Mock Test - 4 - Question 4
Given,Length of String, l = 1.96 mMass of Ball, m = 0.25 KgMaximum Tension of String, Tmax = 25 NLet the speed of the ball is v m/sIn the horizontal circular motion of the ball tension in the string is balanced by the centrifugal force (mv2/l) and hence the maximum tension in the string will be for the maximum speed of the ball (since m and l are fixed).Therefore,Tmax=mv^2/l=> v^2=Tmax * l/m = 25 x 1.96/0.25=> v = 5 x 1.4/0.5 = 14 m/sTherefore, maximum speed of the ball will be 14 m/s.
JIPMER Physics Mock Test - 4 - Question 5

A capacitor of capacity C₁ is charged by connecting it across a battery of e.m.f. V₀. The battery is then removed and the capacitor is connected in parallel with an uncharged capacitor of capacity C₂. The potential difference across this combination is

JIPMER Physics Mock Test - 4 - Question 6

The power dissipated across resistance R which is connected across a battery of potential V is P. If resistance is doubled, then the power becomes

JIPMER Physics Mock Test - 4 - Question 7

An electric motor operates on a.d.c. source of e.m.f. V and internal resistance R. The power output of the source is maximum when the current drawn by the motor is

JIPMER Physics Mock Test - 4 - Question 8

A long solenoid has 500 turns . When a current of 2 ampere is passed through it , the resulting magnetic flux linked with each turn of the solenoid is 4 x 10-3 Wb. The self-inductance of the solenoid is

Detailed Solution for JIPMER Physics Mock Test - 4 - Question 8

For a long solenoid,
B = μ0ni = μ0 N/l i
Flux = μ0 N/l iA
given flux per turn = 4 x 10-3, i = 2A
∴ Total flux = 4 x 10-3

JIPMER Physics Mock Test - 4 - Question 9

Which of the following radiations has the least wavelength?

JIPMER Physics Mock Test - 4 - Question 10

The ratio of charge to potential of a capacitor is known as its

JIPMER Physics Mock Test - 4 - Question 11

Two electric charge 12 μC and −6 μC are places 20 cm apart in air. There will be a point P at which electric potential is zero on the line joining these two charges and outside, excluding the region between them. The distance of P from −6 μC charge is

Detailed Solution for JIPMER Physics Mock Test - 4 - Question 11
For electric potential to be 0 V=V' KQ/R =KQ'/R' 12÷(0.20+x)=6÷x x=0.20m
JIPMER Physics Mock Test - 4 - Question 12

A fireman of mass 60 kg slides down a pole. He is pressing the pole with a force of 600 N. The coefficient of friction between the hands and the pole is 0.5, with what acceleration will the fireman slide down (g=10m/s2)

JIPMER Physics Mock Test - 4 - Question 13

Choose the correct statement from the following. The radius of the orbit of a geostationary satellite depends upon

JIPMER Physics Mock Test - 4 - Question 14

Ratio of inertial mass to gravitational mass is

JIPMER Physics Mock Test - 4 - Question 15

A black body is heated from 27oC to 127oC. The ratio of their energies of radiations emitted will be

JIPMER Physics Mock Test - 4 - Question 16

In Young's doulbe-slit experiment, instead of light, a beam of electron is used. The slit width is d. When the velocity of electron is increased, then

JIPMER Physics Mock Test - 4 - Question 17

The volume of a gas will be double of what it is at 0oC (pressure remaining constant) at

Detailed Solution for JIPMER Physics Mock Test - 4 - Question 17
0°C = 273 K ; 273°C=546K Volume is directly proportional to Temperature so at 546K gas will double its volume.
JIPMER Physics Mock Test - 4 - Question 18

Two circular coils of equal radii 2√2 x 10-2 m and having number of turns 2 each are arranged in perpendicular plane such that their centres coincide. Find the (i) Magnetic field at the centre due to each coil (ii) Resultant magnetic field at centre. They are carrying currents of 20mA each

JIPMER Physics Mock Test - 4 - Question 19

The monoenergetic beams of electrons moving along +y direction enters a region of uniform electric and magnetic fields. If the beam goes straight through, then these simultaneously fields B̅ and E̅ are directed respectively

JIPMER Physics Mock Test - 4 - Question 20

The magnetic field of given length of wire for single turn coil at its centre is B, then its value for two turns coil for the same wire is

JIPMER Physics Mock Test - 4 - Question 21

A diamagnetic material in a magnetic field moves

JIPMER Physics Mock Test - 4 - Question 22

Using a bar magnet P, a vibration magnetometer has time period 2 seconds. When a bar Q (identical to P in mass and size) is placed on top of P, the time period is unchanged. Which of the following statements is true ?

JIPMER Physics Mock Test - 4 - Question 23

If a diamagnetic substance is brought near the north or the south pole of a bar magnet, it is:

JIPMER Physics Mock Test - 4 - Question 24

The shape of a liquid drop becomes spherical due to its

JIPMER Physics Mock Test - 4 - Question 25

A beaker containing a liquid of density (ρ) moves up with an acceleration (a). The pressure due to liquid at a depth (h) below the surface of the liquid is

Detailed Solution for JIPMER Physics Mock Test - 4 - Question 25
As the beaker is moving up with acceleration, so we have to consider pseudo force on the pressure element. 
Or simply in P = hpg , (p = density of liquid)
g will change to its apparent value g' = (g+a)
So, pressure at depth h will be, P= h p (g+a)
JIPMER Physics Mock Test - 4 - Question 26

A wire of length L and cross-section A is made of material of Young's modulus Y. If it is stretched by an amount x, then work done is

JIPMER Physics Mock Test - 4 - Question 27

A cylinder of 500 g and radius 10 cm has moment of inertia (about its natural axis)

JIPMER Physics Mock Test - 4 - Question 28

The position of a particle moving in the xy-plane at any time t is given by x = (3t2-6t) metres, y = (t2-2t) metres. Select the correct statement about the moving particle from the following

JIPMER Physics Mock Test - 4 - Question 29

A man fires a bullet of mass 200 g at a speed of 5 m/s. The gun is of one kg mass. by what velocity the gun rebounds backwards

JIPMER Physics Mock Test - 4 - Question 30

Mass - energy equation was proposed by

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