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SRMJEE Mock Test (Engg) - 10 - JEE MCQ


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30 Questions MCQ Test SRMJEEE Subject Wise & Full Length Mock Tests 2024 - SRMJEE Mock Test (Engg) - 10

SRMJEE Mock Test (Engg) - 10 for JEE 2024 is part of SRMJEEE Subject Wise & Full Length Mock Tests 2024 preparation. The SRMJEE Mock Test (Engg) - 10 questions and answers have been prepared according to the JEE exam syllabus.The SRMJEE Mock Test (Engg) - 10 MCQs are made for JEE 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for SRMJEE Mock Test (Engg) - 10 below.
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SRMJEE Mock Test (Engg) - 10 - Question 1

A cell of 1.5 V is connected across an inductor of 2 mH in series with a 2Ω resistor. The rate of growth of current immediately after the cell is switched ON, is

SRMJEE Mock Test (Engg) - 10 - Question 2

The element used for radioactive carbon dating for more than 56000 years is

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SRMJEE Mock Test (Engg) - 10 - Question 3

A free body of mass 8 kg is travelling at 2 mts per second in a straight line. At a certain instant, the body splits into two equal parts due to internal explosion which releases 16 joules of energy. Neither part leaves the original line of motion finally

SRMJEE Mock Test (Engg) - 10 - Question 4

A particle moves in a circular orbit under the action of a central attractive force inversely proportional to the distance 'r'. The speed of the particle is

Detailed Solution for SRMJEE Mock Test (Engg) - 10 - Question 4


i.e. speed of the particle is independent of r

SRMJEE Mock Test (Engg) - 10 - Question 5

A cell supplies a current of 0.9 A through a 2Ω resistor and a current of 0.3 A through a 7Ω resistor. The internal resistance of the cell is

Detailed Solution for SRMJEE Mock Test (Engg) - 10 - Question 5

We know E = i(R + r)

SRMJEE Mock Test (Engg) - 10 - Question 6

During X-ray formation if voltage is increased

SRMJEE Mock Test (Engg) - 10 - Question 7

A rod of length l and radius r is joined to a rod of length l/2 and radius r/2 of same material.The free end of small rod is fixed to a rigid base and the free end of larger rod is given a twist of θº, the twist angle at the joint will be

SRMJEE Mock Test (Engg) - 10 - Question 8

Stack Pointer (SP) alway holds the address of the:

SRMJEE Mock Test (Engg) - 10 - Question 9

A 5 cm long solenoid having 10 cm resistance and 5 mH inductance is joined to a 10 V battery. At steady state, current through solenoid is

Detailed Solution for SRMJEE Mock Test (Engg) - 10 - Question 9

At steady state, inductance is ineffective
I = V/R = 10/10 = 1A

SRMJEE Mock Test (Engg) - 10 - Question 10

The electrical conductivity of the earth's atmosphere increases with altitude due to

SRMJEE Mock Test (Engg) - 10 - Question 11

A body of 5 kg weight kept on a rough inclined plane of angle 300 starts sliding with a constant velocity. Then the coefficient of friction is (assume g=10 m/s2)

SRMJEE Mock Test (Engg) - 10 - Question 12

A body of mass m is taken to the bottom of a deep mine. Then

SRMJEE Mock Test (Engg) - 10 - Question 13

Two cylinders of equal size are filled with equal amount of ideal diatomic gas at room temperature. Both the cylinders are fitted with pistons. In cylinder A the piston is free to move, while in cylinder B the piston is fixed. When same amount of heat is supplied to both the cylinders, the temperature of the gas in cylinder A raises by 20º K. What will be the rise in temperature of the gas in cylinder B?

Detailed Solution for SRMJEE Mock Test (Engg) - 10 - Question 13

For gas in cylinder A,

SRMJEE Mock Test (Engg) - 10 - Question 14

A cylinder of 5 L capacity, filled with air at N.T.P. is connected with another evacuated cylinder of 30 L of capacity. The resultant air pressure in both the cylinders will be

SRMJEE Mock Test (Engg) - 10 - Question 15

A body of mass 1 kg is suspended by a thread. It is (i) lifted up with an acceleration 4.9 m−s⁻2.(ii) lowered with an acceleration 4.9 m-s⁻2. The ratio of tensions in the thread is

SRMJEE Mock Test (Engg) - 10 - Question 16

A charge q moves on a region where electric field and magnetic field both exist, then force is

SRMJEE Mock Test (Engg) - 10 - Question 17

The magnetic field intensity at a point distance 'r' from a short magnet is proportional to

SRMJEE Mock Test (Engg) - 10 - Question 18

If the radius of a soap bubble is four times that of another, then the ratio of their pressures will be

SRMJEE Mock Test (Engg) - 10 - Question 19

If ball A is dropped from the top of a building and another ball B is thrown horizontally from the same height at the same moment with the same velocity, then ball

SRMJEE Mock Test (Engg) - 10 - Question 20

When forces F₁,F₂,F₃ are acting on a particle of mass m such that F₂ and F₃ are mutually perpendicular, then the particle remains stationary. If the force F₁ is now removed then the acceleration of the particle is

SRMJEE Mock Test (Engg) - 10 - Question 21

Which of the following is a scalar quantity?

SRMJEE Mock Test (Engg) - 10 - Question 22

The time period of a mass suspended from a spring is T. If the spring is cut into four equal parts and the same mass is suspended from one of the parts, then the new time period will be

SRMJEE Mock Test (Engg) - 10 - Question 23

A wooden sphere and a metal sphere of the same mass are thrown vertically up in air of density ρ with the same velocity υ m/sec (neglecting the viscous drag of air), then

SRMJEE Mock Test (Engg) - 10 - Question 24

When the temperature of a gas filled in a closed vessel is increased by 1º C, its pressure increases by 0.4%. The initial temperature of the gas was

SRMJEE Mock Test (Engg) - 10 - Question 25

Two waves are said to be coherent if they have

SRMJEE Mock Test (Engg) - 10 - Question 26

An electric motor operators at 20 rev-s⁻1. What will be the power delivered by the motor, if it supplies a torque of 75 N-m?

SRMJEE Mock Test (Engg) - 10 - Question 27

The time dependence of a physical quantity p is given by
p=p₀ exp(-α t2). The constant α

SRMJEE Mock Test (Engg) - 10 - Question 28

A spherical soap bubble has a radius 'r'. The surface tension of the soap film is T. The energy needed to double the diameter of the bubble at the same temperature is

SRMJEE Mock Test (Engg) - 10 - Question 29

When a current passes through the junction of two different metals, evolution or absorption of heat at the junction is known as

SRMJEE Mock Test (Engg) - 10 - Question 30

A steel meter scale is to be ruled so that millimeter intervals are accurate within about 5 x 10−5 mm at a certain temperature. The maximum temperature variation allowable during the ruling is [coefficient of linear expansion of steel = 10 x 10−6 k−1 ]

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