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NEET Mock Test - 11 - NEET MCQ


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30 Questions MCQ Test Additional Study Material for NEET - NEET Mock Test - 11

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

The alternating voltage induced in the secondary coil of a transformer is mainly due to

Detailed Solution for NEET Mock Test - 11 - Question 1

A varying magnetic field produces an emf which is the underlying principle of transformers.

NEET Mock Test - 11 - Question 2

Photons of energy 1eV and 2.5 eV successively illuminate a metal whose work function is 0.5 eV. The ratio of the maximum speeds of the electrons emitted will be

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NEET Mock Test - 11 - Question 3

What is the de Broglie wavelength (in Å) of the alpha- particle accelerated through a potential difference V ?

NEET Mock Test - 11 - Question 4

A stationary nucleus of mass M emits an electron of mass 'm' with a velocity 'v'. If the recoil velocity of the nucleus is V, the ratio of the de Broglie wave lengths of the nucleus and the electron is

NEET Mock Test - 11 - Question 5

Drift velocity is equal to

NEET Mock Test - 11 - Question 6

A body of mass m is moving in a circle of radius r with a constant speed υ. The force on the body is mυ2/r and is directed towards the centre. What is the work done by this force in moving the body over half the circumference of the circle

Detailed Solution for NEET Mock Test - 11 - Question 6

The work done is zero when the direction of the force is perpendicular to the direction of motion. Force is directed towards the center and the displacement, which means the shortest distance between two points is a straight line from one point of circle to another point over half the circumference. 

Hence the angle formed between force and displacement is 90°.

NEET Mock Test - 11 - Question 7

An electron beam is subjected to perpendicular magnetic and electric fields of 5 x 10 − 4 w b m − 2 and 3 x 10 3 V m − 1 resectively. If there is no deflection, the velocity of electrons is

Detailed Solution for NEET Mock Test - 11 - Question 7

B=5×10−4 Wb/m2
E=3×103 V/m 
Since the path of electron remains undeviated, qvB=qE or 
v= E/B
​=3×10+3/5×10−4
=0.6×107
=6×106m/sec

NEET Mock Test - 11 - Question 8

In a Wheatstone's bridge, all the four arms have equal resistance R. If resistance of the galvanometer arm is also R, then equivalent resistance of the combination is

NEET Mock Test - 11 - Question 9

A photoelectric cell is illuminated by a point source of light 1 m away. When the source is shifted to 2 m, then

NEET Mock Test - 11 - Question 10

When yellow light is incident on a surface, no electrons are emitted while green light can emit. If red light is incident on the surface, then

NEET Mock Test - 11 - Question 11

For a given kinetic energy which of the following has the smallest de-Broglie wave-length ?

NEET Mock Test - 11 - Question 12

The effective value of a.c. in a circuit is 10 A. The peak value of current is

NEET Mock Test - 11 - Question 13

When light travels from air to water, which parameter does not change?

NEET Mock Test - 11 - Question 14

In an electromagnetic wave, the electric and magnetising fields are 100 Vm-1 and 0.265 Am-1. The maximum energy flow is

Detailed Solution for NEET Mock Test - 11 - Question 14

S = E0 x H0
E0 = 100 Vm-1, H0 = 0.265 Am-1
∴ S = 100 x 0.26 = 26.5 Wm-2

NEET Mock Test - 11 - Question 15

Three point charges -q, Q and -q are placed at equal distances on a straight line. If total potential energy of the system is zero, then the ratio of Q/q is

NEET Mock Test - 11 - Question 16

Figure shows a solid hemisphere with a charge of 5nC distributed uniformly through its volume. The hemisphere lies on a plane and point P is located on the plane, along a radial line from the centre of curvature at distance 15cm. The electric potential at point P due to the hemisphere is:

NEET Mock Test - 11 - Question 17

Two sphere of mass m and M are situated in air and the gravitational force between them is F. The space around the masses is now filled with a liquid of specific gravity 3. The gravitational force will now be

NEET Mock Test - 11 - Question 18

The specific heats at constant pressure is greater than that of the same gas at constant volume because

NEET Mock Test - 11 - Question 19

A body is imparted motion from rest to move in a straight line. If it is then obstructed by an opposing force, then

NEET Mock Test - 11 - Question 20

Two parallel wires of length 9m each are separated by a distance of 0.15m. If they carry equal currents in the same direction and exert a total force of 30 x 10 − 7 N on each other, the value of current must be

NEET Mock Test - 11 - Question 21

A body takes T minutes to cool from 62°C to 61°C when the surrounding temperature is 30°C. The time taken by the body to cool from 46°C to 45.5°C is

Detailed Solution for NEET Mock Test - 11 - Question 21

According to Newton's law of cooling,


NEET Mock Test - 11 - Question 22

A vibration magnetometer is placed at South pole, then the time period will be

NEET Mock Test - 11 - Question 23

Which of the following materials is repelled by an external magnetic field?

NEET Mock Test - 11 - Question 24

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

Detailed Solution for NEET Mock Test - 11 - Question 24

NEET Mock Test - 11 - Question 25

The extension in a string, obeying the Hooke's law, is x. The speed of sound in the stretched string is v. If the string is extended to 1.5 x, then speed of sound will be

Detailed Solution for NEET Mock Test - 11 - Question 25

Speed of sound in a stretched string

Where T is the tension in the string and μ is mass per unit length
According to Hooke's law, F ∝ x

NEET Mock Test - 11 - Question 26

If 200 Mev energy is released in the fission of a single nucleus of 92U235 , how many fissions must occur per second to produce a power of 1 kW?

NEET Mock Test - 11 - Question 27

The source of stellar energy is

NEET Mock Test - 11 - Question 28

A simple pendulum of length 'l' has a maximum angular displacement (θ). The energy of a bob of mass m at the end of the displacement is

Detailed Solution for NEET Mock Test - 11 - Question 28

NEET Mock Test - 11 - Question 29

In a Huygen's eye piece with an eyepiece of focal length F, the distance between the eye-piece and field lens should be

NEET Mock Test - 11 - Question 30

Rainbow is formed due to a combination of

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