SRMJEEE Physics Mock Test - 7


35 Questions MCQ Test SRMJEEE Subject Wise & Full Length Mock Tests | SRMJEEE Physics Mock Test - 7


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This mock test of SRMJEEE Physics Mock Test - 7 for JEE helps you for every JEE entrance exam. This contains 35 Multiple Choice Questions for JEE SRMJEEE Physics Mock Test - 7 (mcq) to study with solutions a complete question bank. The solved questions answers in this SRMJEEE Physics Mock Test - 7 quiz give you a good mix of easy questions and tough questions. JEE students definitely take this SRMJEEE Physics Mock Test - 7 exercise for a better result in the exam. You can find other SRMJEEE Physics Mock Test - 7 extra questions, long questions & short questions for JEE on EduRev as well by searching above.
QUESTION: 1

If the rotational velocity of a dynamo armature is doubled, then the induced e.m.f. will

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QUESTION: 2

The half life of a radioactive element is 50 minutes. What percentage of radioactive element will be present after 5 hours of decomposition?

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QUESTION: 3

When current cahnge from + 2 A to -2 A in 0.05 s, an e.m.f. of 8 V is induced in a coil. The coefficient of self inductance of the coil is

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QUESTION: 4

A plumb line is suspended from a ceiling of a ear moving with horizontal acceleration of a. What will be the angle of inclination with vertical?

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QUESTION: 5

An object initially at rest explodes into three fragments A, B and C. The momentum of A is Pi and that of B is √3Pj where P is a positive number. The momentum of C will be

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QUESTION: 6

The de Broglie wavelength λ associated with an electron having kinetic energy E is given by the expression

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QUESTION: 7

Steel and copper wires of same length are stretched by the same weight one after the other.Young's modulus of steel and copper are 2 X 1011 N/m2 and 1.2 X 1011 N/m2. The ratio of increase in length

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QUESTION: 8

The resistors of resistances 2 Ω, 4 Ω and 8 Ω are connected in parallel, then the equivalent resistance of the combination will be

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QUESTION: 9

If a transistor amplifier has a gain of 20 dB, then the ratio of output to input power is

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QUESTION: 10

If the charge on a body is increased by 2C, the energy stored in it increased by 21%.The original charge on the body in coulombs is

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QUESTION: 11

A force of 750 N is applied to a block of mass 102 kg to prevent it form sliding on a plane with an inclination angle 30° with the horizontal. If the coefficients of static friction and kinetic friction between the block and the plane are 0.4 and 0.3 respectively, then the frictional force acting on the block is

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QUESTION: 12

In an artificial satellite a space traveller tries to fill ink in a pen by dipping it in ink. The amount of ink filled in the pen as compared the quantity of ink filled on earth's surface will be

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QUESTION: 13

On increasing the temperature of a substance gradually, which of the following colours will be noticed by you

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QUESTION: 14

If the kinetic energy of one mole of an ideal gas is given as E = 3/2 RT, (where R is the universal gas constant and T is the absolute temperature of the gas), the molar specific heat at constant pressure will be given as

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QUESTION: 15

Two equal forces of magnitude P each act at a point inclined to each other at an angle of 120°. The magnitude of their resultant is

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QUESTION: 16

Two long parallel wires P and Q are held perpendicular to the plane of paper with distance of 5 m between them. If P and Q carry current of 2.5 amp. and 5 amp. respectively in the same direction, then the magnetic field at a point half-way between the wires is

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QUESTION: 17

If the moment of a magnet is 400 C.G.S units, and the force acting on each pole in a uniform magnetic field of strength 0.32 oersted is 5.12 dynes. The distance between the poles of the magnet is equal to

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QUESTION: 18

In a capillary tube, water rises upto 3 mm. The height of water that will rise in another capillary tube having one-third radius of the first is

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QUESTION: 19

A particle covers 150 m in 8th second starting from rest, its acceleration is

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QUESTION: 20

A particle (A) is dropped from a height and another particle (B) is thrown in horizontal direction with speed of 5 m/sec from the same height. The correct statement is

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QUESTION: 21

When a body is stationary

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QUESTION: 22

If a body is released into a tunned dug along the diameter of the earth of radius R₀, it executes the S.H.M. with time period:

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QUESTION: 23

A cricketer can throw a ball to a maximum horizontal distance of 100 m. The speed with which he throws the ball is (using g = 10 m/s2)

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QUESTION: 24

A wire of length L and cross-section A is made of material of Young's modulus Y. It is stretched by an amount x, the workdone is

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QUESTION: 25

When a beam of light is used to determine the position of an object, the maximum accuracy is achieved, if the light is

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QUESTION: 26

Of the two eggs which have identical sizes, shapes and weights, one is raw, and other is half boiled. The ratio between the moment of inertia of the raw to the half boiled egg about central axis is

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QUESTION: 27

A body moves due east with a velocity of 25 km/h and then due north with a velocity of 25√3 km/h. The magnitude of the change in velocity is

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QUESTION: 28

It is easy to wash clothes in hot water because its

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QUESTION: 29

The temperature of the cold junction of a thermocouple is 0°C and temperature of the hot junction is T°C. The thermo e.m.f. is given by the relation E = AT-1/2BT2(Where A = 16 and B = 0.08). The temperature of inversion is

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QUESTION: 30

When the volume of a saturated vapour is decreased, its pressure

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QUESTION: 31

Blowing air with open mouth is an example of

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QUESTION: 32

If R and L represent respectively resistance and self inductance, which of the following combinations has the dimensions of frequency

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QUESTION: 33

In Young's double slit experiment, two slits are made 5 mm apart and the screen is placed 2 m away. What is the fringe separation when light of wavelength 500 nm is used?

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QUESTION: 34

A string in a musical instrument is 50 cm long and its fundamental frequency is 800 Hz. If a frequency of 1000 Hz is required length of the string is

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QUESTION: 35

A ladder rests against a frictionless vertical wall, with its upper end 6 m above the ground and the lower end 4 m away from the wall. The weight of the ladder is 500 N and its C.G. at 1/3rd distance from the lower end. Wall's reaction will be

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