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SRMJEE Mock Test (Engg) - 11 - JEE MCQ


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30 Questions MCQ Test - SRMJEE Mock Test (Engg) - 11

SRMJEE Mock Test (Engg) - 11 for JEE 2024 is part of JEE preparation. The SRMJEE Mock Test (Engg) - 11 questions and answers have been prepared according to the JEE exam syllabus.The SRMJEE Mock Test (Engg) - 11 MCQs are made for JEE 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for SRMJEE Mock Test (Engg) - 11 below.
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SRMJEE Mock Test (Engg) - 11 - Question 1

The average power dissipation in a pure capacitance in A.C. circuit is

SRMJEE Mock Test (Engg) - 11 - Question 2

1 atomic mass unit is equivalent to

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SRMJEE Mock Test (Engg) - 11 - Question 3

A 500 kg car takes a round turn of radius 50 m with a velocity of 36 km/hr. The centripetal force is

SRMJEE Mock Test (Engg) - 11 - Question 4

A bomb of mass 3.0 kg explodes in air into two pieces of masses 2.0 kg and 1.0 kg. The smaller mass goes at a speed of 80 m/s. The total energy imparted to the two fragments is

SRMJEE Mock Test (Engg) - 11 - Question 5

Two resistances of 400 Ω and 800 Ω are connected in series with 6 volt battery of negligible internal resistance. A voltmeter of resistance 10,000 Ω is used to measure the potential difference across 400 Ω . The error in the measurement of potential difference in volts approximately is

SRMJEE Mock Test (Engg) - 11 - Question 6

The work functions for sodium and copper are 2 eV and 4 eV. Which of them is suitable for a photocell with 4000Å light

SRMJEE Mock Test (Engg) - 11 - Question 7

In an a.c. circuit, the current

SRMJEE Mock Test (Engg) - 11 - Question 8

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 SRMJEE Mock Test (Engg) - 11 - Question 8

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

SRMJEE Mock Test (Engg) - 11 - Question 9

A Zener diode has a breakdown voltage of 9.1 V with a maximum power dissipation of 364 m W. What is the maximum current that the diode can withstand?

SRMJEE Mock Test (Engg) - 11 - Question 10

The electrostatic capacity of a capacitor depends upon its

SRMJEE Mock Test (Engg) - 11 - Question 11

The ratio of the lengths of two wires A and B of same material is 1:2 and the ratio of their diameter is 2:1. They are stretched by the same force, then the ratio of increase in length will be

SRMJEE Mock Test (Engg) - 11 - Question 12

The escape velocity of a body on the surface of the earth is 11.2 km/s. If the earth's mass increases to twice its present value and the radius of the earth becomes half, the escape velocity would become

SRMJEE Mock Test (Engg) - 11 - Question 13

If the temperature of a hot body is increased by 50% then the increase in the quantity of emitted heat radiation will be

SRMJEE Mock Test (Engg) - 11 - Question 14

A rope of mass 0.1 kg is connected at the same height of two opposite walls. It is allowed to hang under its own weight. At the contact point between the rope and the wall, the rope makes an angle θ = 10o with respect to horizontal. The tension in the rope at its midpoint between the walls is

SRMJEE Mock Test (Engg) - 11 - Question 15

Which of the following is NOT an illustration of Newton's third law ?

SRMJEE Mock Test (Engg) - 11 - Question 16

On connecting a battery to the two corners of a diagonal of a square conductor frame of side 'a', the magnitude of magnetic field at the centre will be

Detailed Solution for SRMJEE Mock Test (Engg) - 11 - Question 16

It can be taken as two sets of parallel wires carrying equal currents in the same direction.
Hence, total magnetic field induction at the centre of diagonal will be zero.

SRMJEE Mock Test (Engg) - 11 - Question 17

Two spheres of equal masses but radii r1 and r2 are allowed to fall in a liquid of infinite column. The ratio of their terminal velocities are

SRMJEE Mock Test (Engg) - 11 - Question 18

A stone is dropped from rest from the top of a tower 19.6 m high. The distance travelled during the last second of its fall is (given g = 9.8 m/s2)

SRMJEE Mock Test (Engg) - 11 - Question 19

Which one of the following is a vector?

SRMJEE Mock Test (Engg) - 11 - Question 20

The susceptibility of magnetic substance for different purposes is determined by its

SRMJEE Mock Test (Engg) - 11 - Question 21

A force of 100 dynes acts on mass of 5 gm for 10 sec. The velocity produced is

SRMJEE Mock Test (Engg) - 11 - Question 22

A block is suspended from a spring and makes SHM. When the displacement is equal to half the amplitude, the ratio of the kinetic to potential energy is

SRMJEE Mock Test (Engg) - 11 - Question 23

If the horizontal range of a projectile is equal to the maximum height reached, then the corresponding angle of projection is

Detailed Solution for SRMJEE Mock Test (Engg) - 11 - Question 23

Horizontal range = maximum height reached

SRMJEE Mock Test (Engg) - 11 - Question 24

A trough contains mercury to a depth of 3.6 cm. If the same amount of mercury is poured in it then the height of mercury in the trough will be

SRMJEE Mock Test (Engg) - 11 - Question 25

Fraunhofer's lines, commonly visible in the sun's spectrum, are the examples of

SRMJEE Mock Test (Engg) - 11 - Question 26

A circular disc is to be made by using iron aluminium, so that it acquires maximum moment of inertia about its geometrical axis. It can be obtained with

SRMJEE Mock Test (Engg) - 11 - Question 27

The dimensional formula for universal gravitational constant is

Detailed Solution for SRMJEE Mock Test (Engg) - 11 - Question 27

Universal Constant of Gravitation is represented by G and is derived from Newton’s law of gravitation.
Newton’s law states that


Where F is Force between masses m1, m2 at a distance r
Dimensional Formula of Force = M1L1T-2
Thus Dimensional Formula of Universal Constant of Gravitation = 
Dimensional Formula of Universal Constant of Gravitation = M-1L3T-2

SRMJEE Mock Test (Engg) - 11 - Question 28

The liquid meniscus in a capillary tube will be convex, if the angle of contact is

SRMJEE Mock Test (Engg) - 11 - Question 29

A bulb has specification of one kilowatt and 250 volts, the resistance of bulb is

SRMJEE Mock Test (Engg) - 11 - Question 30

A steel bridge in a town is 200m long. The minimum temperature in winter in the town is 10 oC and maximum in summer is 40 oC. The change in length of the bridge from winter to summer is ( α for steel is 11 x 10 − 6oC )

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