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NEET Exam  >  NEET Tests  >  Test: Physics Mock Test - 8 - NEET MCQ

Test: Physics Mock Test - 8 - NEET MCQ


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30 Questions MCQ Test - Test: Physics Mock Test - 8

Test: Physics Mock Test - 8 for NEET 2024 is part of NEET preparation. The Test: Physics Mock Test - 8 questions and answers have been prepared according to the NEET exam syllabus.The Test: Physics Mock Test - 8 MCQs are made for NEET 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Physics Mock Test - 8 below.
Solutions of Test: Physics Mock Test - 8 questions in English are available as part of our course for NEET & Test: Physics Mock Test - 8 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 - 8 | 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 - 8 - Question 1
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The ratio of secondary to primary turns is 9:4. If power input (neglect all losses) to power input

Test: Physics Mock Test - 8 - Question 2
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In nuclear reactions, we have the conservation of

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Test: Physics Mock Test - 8 - Question 3
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Two particles of masses 1kg and 3kg have position vectors and respectively. The centre of mass has a position vector

Test: Physics Mock Test - 8 - Question 4
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A string breaks if its tension exceeds 10 newtons. A stone of mass 250 gm tied to this string of length 10 cm is rotated in a horizontal circle. The maximum angular velocity of rotation can be
Test: Physics Mock Test - 8 - Question 5
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What is increased in a step-down transformer
Test: Physics Mock Test - 8 - Question 6
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Energy needed to establish an alternating current I in a coil of self inductance L is
Detailed Solution for Test: Physics Mock Test - 8 - Question 6

E = 1/2 LI2

Test: Physics Mock Test - 8 - Question 7
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An explosion blows a rock into three parts. Two parts go off at right angles to each other. These two are, 1 kg first part moving with a velocity of 12 ms−1 and 2 kg second part moving with a velocity of 8 ms−1 . If the third part flies off with a velocity of 4 ms −1 , its mass would be:
Test: Physics Mock Test - 8 - Question 8
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Three identical cells each of e.m.f. 2 V and unknown internal resistances are connected in parallel. This combination is connected to a 5 Ω resistor. If the terminal voltage across the cell is 1.5 V, then internal resistance of each cell is
Test: Physics Mock Test - 8 - Question 9
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What is the de Broglie wavelength of the α-particle accelerated through a potential difference V
Test: Physics Mock Test - 8 - Question 10
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The resistance of a 5 cm long wire is 10Ω. It is uniformly stretched so that its length becomes 20cm. The resistance of the wire is
Test: Physics Mock Test - 8 - Question 11
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If an unchanged capacitor is charged by connecting it to a battery, then the amount of energy lost as heat is
Test: Physics Mock Test - 8 - Question 12
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Five equal capacitors connected in series have a resultant capacitance of 4 μ F. The total energy stored in these, when these are connected in parallel and charged to 400V is
Test: Physics Mock Test - 8 - Question 13
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300 Joule of work is done in sliding a 2 kg. block on an inclined plane to a height of 10 meters. Taking value of acceleration due to gravity 'g' to be 10 m/s2, work done against friction is
Detailed Solution for Test: Physics Mock Test - 8 - Question 13

Work done in lifting 2 kg mass upto height 10 metres is given by
W = mgh
= 2 x 10 x 10 = 200 J
Work done against friction
= 300 - 200 = 100 joule

Test: Physics Mock Test - 8 - Question 14
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What will be the acceleration due to gravity on the surface of the moon, if its radius is 1/4th the radius of the earth and its mass is 1/80th the mass of the earth?
Test: Physics Mock Test - 8 - Question 15
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Average density of the earth
Test: Physics Mock Test - 8 - Question 16
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The temperature of a body falls from 50oC to 40oC in 10 minutes. If the temperature of the surroundings is 20oC Then temperature of the body after another 10 minutes will be
Test: Physics Mock Test - 8 - Question 17
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On giving equal amount of heat to equal masses of a monoatomic and a diatomic gas the rise in temprature (∆T) is more for
Test: Physics Mock Test - 8 - Question 18
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A current carrying coil when freely suspended will allign itself
Test: Physics Mock Test - 8 - Question 19
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A positively charged particle moving due east enters a region of uniform magnetic field directed vertically upwards. The particle will
Test: Physics Mock Test - 8 - Question 20
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The force between two short bar magnets with magnetic moments M₁ and M₂ whose centres are r meter apart is 8 N, when their axes are in same line. If the separation is increased to 2 r, the force between them is reduced to
Test: Physics Mock Test - 8 - Question 21
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If iron pieces loaded in a ship, are thrown into the water, then level of water will
Test: Physics Mock Test - 8 - Question 22
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Shearing stress produces a change in
Test: Physics Mock Test - 8 - Question 23
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A cord is wound round the circumference of wheel of radius r. The axis of the wheel is horizontal and moment of inertia about it is I. A weight mg is attached to the end of the cord and falls from rest. After falling through a distance h, the angular velocity of the wheel will be
Test: Physics Mock Test - 8 - Question 24
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The ratio of the numerical values of the average velocity and average speed of a body is always
Test: Physics Mock Test - 8 - Question 25
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Which of the following equations is definitely wrong?
Test: Physics Mock Test - 8 - Question 26
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A river is flowing from east to west at a speed of 5 m/min. A man on South bank river, capable of swimming 10 m/min in still water, wants to swim across the river in shortest time he should swim
Test: Physics Mock Test - 8 - Question 27
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A block of metal weighing 2 kg is resting on a frictionless plane. It is struck by a jet releasing water at a rate of 1kg/sec and at a speed of 5 m/sec. The initial acceleration of the block will be
Test: Physics Mock Test - 8 - Question 28
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The magnifying power of a telescope can be increased by increasing
Test: Physics Mock Test - 8 - Question 29
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The potential energy of a particle executing simple harmonic motion from a distance x from its equilibrium position is
Test: Physics Mock Test - 8 - Question 30
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Two projectiles are fired at different angles with the same magnitude of velocity, such that they have the same range. At what angles they might have been projected?
Detailed Solution for Test: Physics Mock Test - 8 - Question 30

For equal range, the particle should either be projected at an angle θ or (90 - θ)

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