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SRMJEE Mock Test (Engg) - 9 - JEE MCQ


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30 Questions MCQ Test - SRMJEE Mock Test (Engg) - 9

SRMJEE Mock Test (Engg) - 9 for JEE 2024 is part of JEE preparation. The SRMJEE Mock Test (Engg) - 9 questions and answers have been prepared according to the JEE exam syllabus.The SRMJEE Mock Test (Engg) - 9 MCQs are made for JEE 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for SRMJEE Mock Test (Engg) - 9 below.
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SRMJEE Mock Test (Engg) - 9 - Question 1

A series A.C. circuit consist of an inductor and a capacitor. The inductance and capacitance is respectively 1 henry and 25μF. If the current is maximum in circuit then angular frequency will be

SRMJEE Mock Test (Engg) - 9 - Question 2

The mass of an α-particle is

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SRMJEE Mock Test (Engg) - 9 - Question 3

The driver of a car travelling at velocity υ suddenly see a broad wall in front of him at a diatance d. He should

SRMJEE Mock Test (Engg) - 9 - Question 4

A body 'x' with a momentum 'P' collides with another identical stationary body 'y' one dimensionally. During the collision 'y' gives an impulse 'j' to the body 'x'. Then the coefficient of restitution is

SRMJEE Mock Test (Engg) - 9 - Question 5

Two electric bulbs A and B rated as 60 W and 100 W. If they are connected in parallel to the same source, then

SRMJEE Mock Test (Engg) - 9 - Question 6

According to photon theory of light which of the following physical quantities associated with a photon do not/does not change as it collides with an electron in vacuum

SRMJEE Mock Test (Engg) - 9 - Question 7

A metal bar of length L and area of cross-section A is clamped between two rigid supports. For the material of the rod, its Young's modulus is Y and coefficient of linear expansion is α. If the temperature of the rod is increased by ∆tºC, the force exerted by the rod on the supports is

SRMJEE Mock Test (Engg) - 9 - Question 8

A coil having 500 square loops of side 10 cm is placed normal to magnetic field which increases at a rate of 1 T/sec. The induced e.m.f. is

SRMJEE Mock Test (Engg) - 9 - Question 9

If two input terminals of NANS gate are shorted, then it is equivalent to:

SRMJEE Mock Test (Engg) - 9 - Question 10

A body of 2 gm carrying a charge of 0.1 μC starts from rest at the positive plate and moves to the negative plate of a parallel plate condenser connected to a voltage supply of 30KV. The final velocity is

SRMJEE Mock Test (Engg) - 9 - Question 11

One feels hotter at the top of a flame than the sides because of

SRMJEE Mock Test (Engg) - 9 - Question 12

A 30 kg box has to move up an inclined slope of 30º to the horizontal at a uniform velocity of 5 m s − 1 . If the frictional force retarding the motion is 150N, the horizontal force in newton to move up is (g = 10ms−2 ).

SRMJEE Mock Test (Engg) - 9 - Question 13

A satellite which is geostationary in a particular orbit is taken to another orbit. Its distance from the centre of earth in new orbit is 2 times that of the earlier orbit. The time period in the second orbit is

SRMJEE Mock Test (Engg) - 9 - Question 14

Maximum density of H₂O is at the temperature

SRMJEE Mock Test (Engg) - 9 - Question 15

A force of 10 N acts on a body of mass 20 kg for 10 seconds. Change in its momentum is

SRMJEE Mock Test (Engg) - 9 - Question 16

A charged particle is released from rest in a region of steady and uniform electric and magnetic fields, which are parallel to each other. The particle will move in a

SRMJEE Mock Test (Engg) - 9 - Question 17

A short magnetic needle is pivoted in a uniform magnetic field of strength 1 T. When another magnetic field of strength √3 T is applied to the needle in a perpendicular direction, then the angle through which the needle will deflect, is

SRMJEE Mock Test (Engg) - 9 - Question 18

A rocket is fired upward from the earth's surface such that it creates an acceleration of 19.6 m/sec2. If after 5 sec its engine is switched off, the maximum height of the rocket from earth's surface would be

SRMJEE Mock Test (Engg) - 9 - Question 19

Oil spreads over the surface of water, whereas water does not spread over the surface of oil, because

SRMJEE Mock Test (Engg) - 9 - Question 20

Which of the following is a scalar quantity?

SRMJEE Mock Test (Engg) - 9 - Question 21

The average resisting force that must act on a 5 kg mass to reduce its speed from 65 cm/s to 15 cm/s in 0.2s is

SRMJEE Mock Test (Engg) - 9 - Question 22

Average value of K.E. and P.E. over entire time period is

SRMJEE Mock Test (Engg) - 9 - 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) - 9 - Question 23

Horizontal range = maximum height reached

tanθ = 4
θ = tan-1 4

SRMJEE Mock Test (Engg) - 9 - Question 24

The Bernoulli's theorem is based on the conservation of

SRMJEE Mock Test (Engg) - 9 - Question 25

A ray of monochromatic light is incident on one refracting face of a prism of angle 75º . It passes through the prism and is incident on the other face at the critical angle. If the refractive index of the material of the Prism is √ 2 , the angle of incidence on the first face of the prism is

SRMJEE Mock Test (Engg) - 9 - Question 26

Two bodies of different masses of 2 kg and 4 kg are moving with velocities 2 m/s and 10 m/s towards each other due to mutual gravitational attraction. What is velocity of their centre of mass ?

SRMJEE Mock Test (Engg) - 9 - Question 27

The speed of a boat is 5km/h in still water. It crosses a river of width 1.0 km along the shortest possible path in 15 minutes. The velocity of the river is (in km/h)

SRMJEE Mock Test (Engg) - 9 - Question 28

The work done in blowing a soap bubble of radius r of the solution of surface tension T will be

SRMJEE Mock Test (Engg) - 9 - Question 29

A body at .... emits no heat energy.

SRMJEE Mock Test (Engg) - 9 - Question 30

The relation between Faraday constant (F), chemical equivalent (E) and electrochemical equivalent (Z) is

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