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SRMJEE Mock Test (Med) - 3 - JEE MCQ


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30 Questions MCQ Test SRMJEEE Subject Wise & Full Length Mock Tests 2024 - SRMJEE Mock Test (Med) - 3

SRMJEE Mock Test (Med) - 3 for JEE 2024 is part of SRMJEEE Subject Wise & Full Length Mock Tests 2024 preparation. The SRMJEE Mock Test (Med) - 3 questions and answers have been prepared according to the JEE exam syllabus.The SRMJEE Mock Test (Med) - 3 MCQs are made for JEE 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for SRMJEE Mock Test (Med) - 3 below.
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SRMJEE Mock Test (Med) - 3 - Question 1

In a transformer, current and e.m.f. in the output is 10 A and is 220 V respectively. If ratio of no. of turns in secondary and primary coil 50:10, then current in the primary coil is

SRMJEE Mock Test (Med) - 3 - Question 2

The activity of a radiactive sample is measured as 9750 counts per minute at t = 0 and as 975 counts per minute at t = 5 minutes. The decay cosntant is approximately

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SRMJEE Mock Test (Med) - 3 - Question 3

A galvanometer coil has a resistance of 10 Ω and the meter shows full scale deflection for a current of 1mA. The shunt resistance required to convert the galvanometer into an ammeter of range 0-100mA is about

SRMJEE Mock Test (Med) - 3 - Question 4

A body of mass m moving with a constant velocity ν hits another body of the same mass moving with the same velocity ν but in the opposite direction and sticks to it. The velocity of the compound body after collision is

SRMJEE Mock Test (Med) - 3 - Question 5

When ultraviolet rays are incident on metal plate, then photoelectric effect does not occurs. It occurs by the incidence of

SRMJEE Mock Test (Med) - 3 - Question 6

A small solid cylinder rolls up along a curved surface (fig.) with an initial velocity v. It will ascend up to a height ‘h’ equal to

SRMJEE Mock Test (Med) - 3 - Question 7

Which of the following will be σ if Y=2.4η

SRMJEE Mock Test (Med) - 3 - Question 8

If a positive charge is shifted from a low potential region to a high potential region, then the electric potential energy of the system

SRMJEE Mock Test (Med) - 3 - Question 9

A nibble is equal to

SRMJEE Mock Test (Med) - 3 - Question 10

A block of mass 50 kg can slide on a rough horizontal surface. The coefficient of friction between the block and the surface is 0.6. The least force of pull acting at an angle of 30o to the upward drawn vertical which causes the block to just slide is

SRMJEE Mock Test (Med) - 3 - Question 11

An oscillator circuit consists of an inductance of 0.5 mH and a capacitor of 20 μF. The resonance frequency of the circuit is

Detailed Solution for SRMJEE Mock Test (Med) - 3 - Question 11

SRMJEE Mock Test (Med) - 3 - Question 12

According to Kepler's law the time period of a satellite varies with its radius are as

SRMJEE Mock Test (Med) - 3 - Question 13

Consider two rods of same length and different specific heatrs (s₁ and s₂) conductivities k₁ and k₂ and areas of cross section (A₁ and A₂) and both giving temperature T₁ and T₂ at their ends. If the rate of heat loss due to conduction is equal, then

SRMJEE Mock Test (Med) - 3 - Question 14

R.M.S. velocity of a particle is V at pressure P. If pressure is increased two times, then the R.M.S. velocity becomes

SRMJEE Mock Test (Med) - 3 - Question 15

A gun fires the bullets each of mass 10 g with a velocity of 50 m−s-1. If 1000 bullets are fired per second, then thrust on the shoulder will be

SRMJEE Mock Test (Med) - 3 - Question 16

A length of wire carries a steady current. It is bent first to form a circular coil of one turn. The same length is now bent more sharply to give a double loop of smaller radius. The magnetic field at the centre caused by the same current is

SRMJEE Mock Test (Med) - 3 - Question 17

Rate of change of torque τ with deflection θ is maximum for a magnet suspended freely in a uniform magnetic field of induction B, when

SRMJEE Mock Test (Med) - 3 - Question 18

Sixty four spherical rain drops of equal size are falling vertically through air with a terminal velocity 1.5 m-s-1. If these drops coalesce to form a big spherical drop, then terminal velocity of big drop is

SRMJEE Mock Test (Med) - 3 - Question 19

A body at rest is dropped from a height h and strikes the ground with a velocity 3 m/s. Another body of same mass is dropped from the same height with an initial velocity of 4 m/s. The final velocity of second mass, with which it strikes the ground, is (take g=10 m/s2)

Detailed Solution for SRMJEE Mock Test (Med) - 3 - Question 19

Using v2 = u2 + 2 as
(3)2 = 0 + 2 g x s or 2 gs = 9
when initial velocity is 4 m/s, then
v2 = 42 + 2 gs = 16 + 9 = 25 or v = 5 m/s.

SRMJEE Mock Test (Med) - 3 - Question 20

At the uppermost point of a projectile, angle between the directions of its velocity and acceleration is

SRMJEE Mock Test (Med) - 3 - Question 21

If a bullet of mass 5 gm moving with velocity 100 m/sec, penetrates the wooden block upto 6 cm. Then the average force imposed by the bullet on the block is

SRMJEE Mock Test (Med) - 3 - Question 22

The time period of a body executing simple harmonic motion is 4 s. After how much interval, from time t = 0, its displacement will be half of its amplitude?

SRMJEE Mock Test (Med) - 3 - Question 23

10 cm long wire is placed horizontally on the surface of water and is gently pulled up with a forceof 2 x 10⁻-2N to keep the wire in equilibrium. The surface tension of water in N/m is

SRMJEE Mock Test (Med) - 3 - Question 24

The horizontal range is four times the maximum height attained by a projectile. The angle of projection is

SRMJEE Mock Test (Med) - 3 - Question 25

The eye-piece used in biological microscope is

SRMJEE Mock Test (Med) - 3 - Question 26

A solid cylinder of mass M and radius R rolls on a flat surface. Its moment of inertia about the line of contact is

SRMJEE Mock Test (Med) - 3 - Question 27

The dimensions of resistance x capacitance are same as those of

SRMJEE Mock Test (Med) - 3 - Question 28

The lower end of a capillary tube touches a liquid whose angle of contact is 90o . The liquid

SRMJEE Mock Test (Med) - 3 - Question 29

A current i passes through a wire of length l, radius of cross-section r and density ρ. The rate of heat generation is

SRMJEE Mock Test (Med) - 3 - Question 30

The apparent coefficient of expansion of a liquid, when heated in a copper vessel is 'C' and when heated in a silver vessel is 'S'. If 'A' is the linear coefficient of expansion of copper, then the linear, coefficient of expansion of silver is

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