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NEET Physics Chapter Wise Mock Test – Mock Test 3

NEET Physics Chapter Wise Mock Test – Mock Test 3

Question 1:
The magnetic field in a travelling electromagnetic wave has a peak value of 20 nT. The peak value of electric field strength is
(a) 3 V/m
(b) 6 V/m
(c)9V/m
(d)12V/m

Question 2:
The value of resistance is 10.85452 Q and the value of current is 3.23 A. The potential difference is 35.02935 V. Its value in significant number would be
(a) 3.8 V
(b) 35.0 V
(c) 35.03 V
(d) 35.029 V

Question 3:
A body initially at rest is accelerate at the rate of 2 ms-2 for 5s. If the body continues with uniform velocity for next 10 s, the total distance covered by the body is
(a) 50 m
(b)125m
(c) 165 m
(d) 225 m

Question 4:
Velocity-time graph of motion of a body is shown below
NEET Physics Chapter Wise Mock Test - Mock Test 3 1
(a) at B, force is zero
(b) at B, there is a force but towards motion
(c) at 6, there is a force which opposes the motion
(d) None of the above

Question 5:
NEET Physics Chapter Wise Mock Test - Mock Test 3 2

Question 6:
NEET Physics Chapter Wise Mock Test - Mock Test 3 3

Question 7:
NEET Physics Chapter Wise Mock Test - Mock Test 3 4

Question 8:
NEET Physics Chapter Wise Mock Test - Mock Test 3 5

Question 9:
NEET Physics Chapter Wise Mock Test - Mock Test 3 6

Question 10:
NEET Physics Chapter Wise Mock Test - Mock Test 3 7

Question 11:
A metal disc of radius r floats on the surface of water. The water layer goes down and makes an angle 0 with the vertical edge of the disc. If it displaces a weight w of water and the surface tension of water is T, then weight of the disc is
NEET Physics Chapter Wise Mock Test - Mock Test 3 8

Question 12:
If at the same temperature and pressure, the densities of two diatomic gases are and d2, respectively. The ratio of mean kinetic-energy per molecule of gases will be
NEET Physics Chapter Wise Mock Test - Mock Test 3 9

Question 13:
If the refractive index of water is 4/3 and that of given slab of glass immersed in it is 5/3, what is the critical angle for a ray of light tending to go from glass to water?
NEET Physics Chapter Wise Mock Test - Mock Test 3 10

Question 14:
NEET Physics Chapter Wise Mock Test - Mock Test 3 11

Question 15:
NEET Physics Chapter Wise Mock Test - Mock Test 3 12

Question 16:
Two polaroids are crossed. If now one of them is rotated through 30° and unpolarised light of intensity l0 is incident on the first Polaroid, then the intensity of transmitted light will be
NEET Physics Chapter Wise Mock Test - Mock Test 3 13

Question 17:
In Young’s experiment, light of wavelength 4000 A is used to produce bright fringes of width 0.6 mm, at a distance of 2 m. If the whole apparatus is dipped in a liquid of refractive index 1.5, then the fringe width will be
(a) 0.2 mm
(b) 0.3 mm
(c) 0.4 mm
(d) 1.2 mm

Question 18:
NEET Physics Chapter Wise Mock Test - Mock Test 3 14

Question 19:
White light is used to illuminate the two slits in a Young’s double slit experiment. The separation between slits is b and the screen is at a distance d(>>b) from the slits. At a point on the screen directly infront of one of the slits, certain wavelengths are missing. One of the missing wavelengths is (a) X = b2ld
NEET Physics Chapter Wise Mock Test - Mock Test 3 15

Question 20:
A charge q is distributed over two concentric hollow conducting sphere of radii r and R (> r), such that their surface charge densities are equal. The potential at their common centre is
NEET Physics Chapter Wise Mock Test - Mock Test 3 16

Question 21:
When resonance is produced in a series L-C-R circuit, then which of the following is not correct?
(a) Current in the circuit is in phase with the applied voltage
(b) Inductive and capacitive reactances are equal
(c) If R is reduced, the voltage across capacitor will increase
(d) Impedance of the circuit is maximum

Question 22:
In a meter bridge with a standard resistance of 5 Ω in the left gap, the ratio of balancing lengths on the meter bridge wire is 2 : 3. The unknown resistance is
(a) 3.3Ω
(b) 7.5Ω
(c) 10Ω
(d) 15Ω

Question 23:
NEET Physics Chapter Wise Mock Test - Mock Test 3 17
(a) 2 H
(b) 5 H
(c) 10 H
(d) 20 H

Question 24:
An ideal choke of 10 H is joined in series with resistance of 5 Ω and a battery of 5V. The current in the circuit in 2 s after joining in ampere, will be
NEET Physics Chapter Wise Mock Test - Mock Test 3 18

Question 25:
A series L-R circuit is connected to an AC source of frequency oo and the inductive reactance is equal to 2R. A capacitance of capacitive reactance equal to R is added in series with L and R. The ratio of the new power factor to the old one is
NEET Physics Chapter Wise Mock Test - Mock Test 3 19

Question 26:
The total binding energy of a nucleus is defined as the product of mass defect (in kg) and a constant. The value of constant
NEET Physics Chapter Wise Mock Test - Mock Test 3 20

Question 27:
A radioactive element X with a half-life of 2 h decays giving a stable element Y. After a time of t hours, the ratio of Xto Yatoms is 1:7. Then, is
(a) 4
(b)6
(c) in between 4 and 6
(d) 14

Question 28:
Generally, semiconductor can be used safely between the temperatures
(a) – 75°C and 200°C
(b) 0°C and 75°C
(c) – 25°C and 300°C
(d) – 40°C and 1000°C

Question 29:
Assuming that the silicon diode (having negligible resistance), the current through the diode is (knee voltage of silicon diode is 0.7 V)
NEET Physics Chapter Wise Mock Test - Mock Test 3 21
(a) zero
(b) 7 mA
(c) 2.3 mA
(d) 23 mA

Question 30:
A ray falls on a prism ABC (AB = BC) and travels as shown in figure. The minimum refractive index of the prism material should be
(a) 4/3
(b) V2
(c) 15
(d)V3

Question 31:
In an experiment on photoelectric effect, a student plots stopping potential V0 against reciprocal of the wavelength X of the incident light for two different metals A and B. These are shown in the figure.
Looking at the graphs, you can most appropriately say that .
NEET Physics Chapter Wise Mock Test - Mock Test 3 22
(a) Work function of metal 6 is greater than that of metal A
(b) Work function of metal A is greater than that of metal B
(c) Data is not sufficient
(d) None of the above

Question 32:
A gas undergoes a cyclic process ABCDA as shown in figure. The part ABC of process is semi-circular. The work done by the gas is
NEET Physics Chapter Wise Mock Test - Mock Test 3 23

Question 33:
In a given process on an ideal gas, dW = 0 and dQ < 0, then for the gas
(a) the temperature will decrease
(b) the volume will increase
(c) the pressure will remain constant
(d) the temperature will increase

Question 34:
NEET Physics Chapter Wise Mock Test - Mock Test 3 24

Question 35:
NEET Physics Chapter Wise Mock Test - Mock Test 3 25

Question 36:
NEET Physics Chapter Wise Mock Test - Mock Test 3 26

Question 37:
A cell of emf £ and internal resistance r is connected with external resistance R. The graph between terminal voltage and current is
NEET Physics Chapter Wise Mock Test - Mock Test 3 27

Question 38:
NEET Physics Chapter Wise Mock Test - Mock Test 3 28

Question 39:
The output of a two input OR gate is 1, if
(a) both inputs are zero
(b) either or both inputs are 1
(c) only both inputs are 1
(d) either input is zero

Question 40:
(A x B) . (A x B) is equal to
(a) 1
(b) zero
(c)l
(d)-1

Direction (Q Nos. 41-45) In each of the following questions, a statement of Assertion is given followed by a corresponding statement of Reason just below it. Of the statements mark the correct answer as
(a) If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion
(b) If both Assertion and Reason are true but the Reason is not correct explanation of the Assertion
(c) If Assertion is true but Reason is false
(d) If both Assertion and Reason are false

Question 41:
Assertion (A) Angle between i + j and i is 45°.
Reason (R) i + j is equally include to both i and j and the angle between i and j is 90°.

Question 42:
NEET Physics Chapter Wise Mock Test - Mock Test 3 29

Question 43:
Assertion (A) Velocity-time graph for an object in a uniform motion along a straight line is, parallel to the time axis.
Reason (R) In uniform motion of an object, velocity increases as the square of time elapsed.

Question 44:
Assertion (A) Inertia and moment of inertia are same quantities.
Reason (R) Moment of inertia represents the capacity of a body to oppose its state of motion.

Question 45:
Assertion (A) To obtain same change in the value of g, depth d below the surface of earth must be equal to twice the height h above the surface of the earth.
Reason (R) g changes less with depth than with height.

Answers:
NEET Physics Chapter Wise Mock Test - Mock Test 3 30

Hints and Solutions

NEET Physics Chapter Wise Mock Test - Mock Test 3 31
NCERT Solutions for Class 8 Maths Chapter 14 Factorisation Ex 14.1 17
NEET Physics Chapter Wise Mock Test - Mock Test 3 33
NEET Physics Chapter Wise Mock Test - Mock Test 3 34
NEET Physics Chapter Wise Mock Test - Mock Test 3 35
NEET Physics Chapter Wise Mock Test - Mock Test 3 36
NEET Physics Chapter Wise Mock Test - Mock Test 3 37
NEET Physics Chapter Wise Mock Test - Mock Test 3 38
NEET Physics Chapter Wise Mock Test - Mock Test 3 39
NEET Physics Chapter Wise Mock Test - Mock Test 3 40
NEET Physics Chapter Wise Mock Test - Mock Test 3 41NEET Physics Chapter Wise Mock Test - Mock Test 3 42
NEET Physics Chapter Wise Mock Test - Mock Test 3 43

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