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NEET Exam  >  NEET Tests  >  Test: Physics Mock Test - 6 - NEET MCQ

Test: Physics Mock Test - 6 - NEET MCQ


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30 Questions MCQ Test - Test: Physics Mock Test - 6

Test: Physics Mock Test - 6 for NEET 2024 is part of NEET preparation. The Test: Physics Mock Test - 6 questions and answers have been prepared according to the NEET exam syllabus.The Test: Physics Mock Test - 6 MCQs are made for NEET 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Physics Mock Test - 6 below.
Solutions of Test: Physics Mock Test - 6 questions in English are available as part of our course for NEET & Test: Physics Mock Test - 6 solutions in Hindi for NEET course. Download more important topics, notes, lectures and mock test series for NEET Exam by signing up for free. Attempt Test: Physics Mock Test - 6 | 45 questions in 45 minutes | Mock test for NEET preparation | Free important questions MCQ to study for NEET Exam | Download free PDF with solutions
Test: Physics Mock Test - 6 - Question 1
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Alternating current is transmitted to distant places at

Test: Physics Mock Test - 6 - Question 2
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Frequency of the series limit of Balmer series of hydrogen atom in terms of Ryberg constant R and velocity of light C is

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Test: Physics Mock Test - 6 - Question 3
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Two blocks of masses 6 kg and 4 kg are placed on a frictionless surface and connected by a spring. If the heavier mass is given a velocity of 14 m/s in the direction of lighter one, then the velocity gained by the centre of mass will be

Detailed Solution for Test: Physics Mock Test - 6 - Question 3

Since the spring is massless, no force will be exerted on the smaller mass.
Its velocity will be zero.
The velocity gained by the centre of mass -

Test: Physics Mock Test - 6 - Question 4
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If the body is moving in a circle of radius r with a constant speed υ, its angular velocity is
Test: Physics Mock Test - 6 - Question 5
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A choke coil has
Test: Physics Mock Test - 6 - Question 6
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For a coil having L=2 mH, current flows at the rate of 10⁻3 ampere/sec. The emf induced is
Test: Physics Mock Test - 6 - Question 7
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The resistance of a coil is 4.2 Ω at 100oC and the temperature coefficient of resistance of its material is 0.004/oC. Its resistance at 0oC is
Test: Physics Mock Test - 6 - Question 8
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Bullets of 0.03Kg mass each hit a plate at the rate of 200 bullets per second with a velocity of 50 ms-1 and reflect back with a velocity of 30 ms-1. The average force acting on the plate in newton is
Test: Physics Mock Test - 6 - Question 9
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The curve drawn between velocity and frequency of photon in vacuum will be a
Test: Physics Mock Test - 6 - Question 10
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A 80 μF capacitor in a defibrillator is charged to 100 V. The energy stored in the capacitor is sent through the patient during a pulse of duration 2 ms. The power delivered to the patient is
Test: Physics Mock Test - 6 - Question 11
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Two insulated matallic spheres of 3 μ F and 5 μ F are charged to 300V and 500V respectively. The energy loss when they are connected by a wires is...
Test: Physics Mock Test - 6 - Question 12
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A wire of radius r has resistance R. If it is stretched to a radius of 3r/4, its resistance becomes
Detailed Solution for Test: Physics Mock Test - 6 - Question 12

Let L1 be the length and A1 the area of crosssection of the original wire and L2, A2 be their values of the stretched wire
Since volume of the wire remains unchanged, we have

Test: Physics Mock Test - 6 - Question 13
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It is easier to roll a barrel than pull it along the road. This statement is
Test: Physics Mock Test - 6 - Question 14
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If mass of a body is M on the earth surface, then the mass of the same body on the moon surface is
Detailed Solution for Test: Physics Mock Test - 6 - Question 14
Its M....because mass is independent of gravity.so, it doesn't changes......whereas weight (W=mg)... depends on gravity......
Test: Physics Mock Test - 6 - Question 15
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The centripetal force acting on a satellite orbiting round the earth and the gravitational force of earth acting on the satellite both equal F. The net force on the satellite is
Test: Physics Mock Test - 6 - Question 16
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A perfect black body is one whose
Test: Physics Mock Test - 6 - Question 17
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Air is filled at 60oC in a vessel of open mouth. The vessel is heated to a temperature T so that 1/4th part of air escapes. Assuming the volume of the vessel remaining constant, the value of T is
Test: Physics Mock Test - 6 - Question 18
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A cyclotron oscillator frequency is 10 MHz. If radius of its dees 60 cm, then magnetic field for accelerating the protons is (Given e = 1.6 x 10-19C, mp = 1.67 x 10-27 kg)
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Test: Physics Mock Test - 6 - Question 19
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A galvanometer has a resistance of 25 Ω and a maximum of 0.01 A current can be passed through it. In order to change it into an ammeter of range 10 A, the shunt resistance required is
Test: Physics Mock Test - 6 - Question 20
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A magnetic needle suspended by a silk thread is vibrating in the earth's magnetic field. If the temperature of the needle is increased by 700oC, then
Detailed Solution for Test: Physics Mock Test - 6 - Question 20

Since magnatic moment decreases with increase in temperature hence time period T increases.

Test: Physics Mock Test - 6 - Question 21
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The velocity of efflux of an ideal liquid depend upon
Test: Physics Mock Test - 6 - Question 22
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Which of the following affets the elasticity of a substance?
Test: Physics Mock Test - 6 - Question 23
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The M.I. of a rectangular lamina perpendicular about its centre of mass is
Test: Physics Mock Test - 6 - Question 24
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A car accelerated from initial position and then returned at initial point, then
Test: Physics Mock Test - 6 - Question 25
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What is the value of linear velocity, if ω̅ = 3ι̂ − 4ĵ + k̂ and r̅ = 5ι̂ − 6ĵ + 6k̂
Test: Physics Mock Test - 6 - Question 26
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A particle of mass m is projected with velocity υ making an angle of 45o with the horizontal. The magnitude of the angular momentum of the particle about the point of projection when the particle is at its maximum height is (where g = acceleration due to gravity)
Test: Physics Mock Test - 6 - Question 27
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A machine gun is mounted on a 2000 kg car on a horizontal frictionless surface. At some instant the gun fires bullets of mass 10 gm with a velocity of 500 m/sec with respect to the car. The number of bullets fired per second is ten. The average thrust on the system is
Test: Physics Mock Test - 6 - Question 28
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In a camera, the time of exposure for good quality prints depends upon
Test: Physics Mock Test - 6 - Question 29
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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 ?
Test: Physics Mock Test - 6 - Question 30
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A particle of mass m is projected with velocity υ making an angle of 45o with the horizontal. The magnitude of the angular momentum of the particle about the point of projection when the particle is at its maximum height is (where g = acceleration due to gravity)
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Physics Mock Test - 6 MCQs with Answers

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