NAT IIP Physical Science Physics Preparation Online Test for Pakistani Students

MCQ's Test For NAT II Physical Science Physics

Try The MCQ's Test For NAT II Physical Science Physics

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NAT II Physical Science Physics

00:00
Question # 1

The incorrect statement regarding the lines of force of the magnetic field B is

Question # 2

In case of p-n junction diode, at high value of reverse bias, the current rises sharply. The value of reverse bias is known as:

Question # 3

A particle is moving in a uniform magnetic filed, then

Question # 4

Angular momentum is

Question # 5

In a Millikan's oil drop experiment the charge on an oil drop is calculated to be 6.35 x 10-19C. The number of excess electrons on the drop is

Question # 6

The average binding energy of a nucleus inside an atomic nucleus is about

Question # 7

A planet is observed by an astronomical refracting telescope having an objective of focal length 16 m and an eyepiece of focal length 2 cm.

Question # 8

Absolute temperature can be calculated by

Question # 9

To get a resultant displacement of 10 m, two displacement vectors of magnitude 6 m and 8 m should be combined

Question # 10

To increase the magnification of a telescope

Question # 11

An object is placed at a distance of f/2 from a convex lens. The image will be

Question # 12

Which of the following particles would experience the largest magnetic force when projected with the same velocity perpendicular to a magnetic field?

Question # 13

Two point charges A and B separated by a distance R attract each other with a force of 12 x 10-3N. The force between A and B when the charges on them are doubled and distance is halved

Question # 14

Blood has a density

Question # 15

A force of 10N is acting along y-axis. Its component along x-axis is

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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 To get a resultant displacement of 10 m, two displacement vectors of magnitude 6 m and 8 m should be combined
A. Parallel
B. Antiparallel
C. At angle 60°
D. Perpendicular to each other
2 The velocity of falling raindrops attains limited value because of
A. Up thrust of air
B. Viscous force exerted by air
C. Surface tension effect
D. Air currents atmosphere
3 A ten-ohm electric heater operates on a 110 V line. Calculate the rate at which it develops heat in watts:
A. 1310 W
B. 670 W
C. 810 W
D. 1210 W
4 The sum of the magnitude of two forces acting at a point is 18 and the magnitude of their resultant is 12. If the resultant is at 90°with the force of the smaller magnitude, then their magnitudes are:
A. 3, 15
B. 4, 14
C. 5, 13
D. 6, 12
5 A body of mass 2 kg is thrown up vertically with K.E. of 490 joules. If the acceleration due to gravity is 9.8 m/s2, the height at which the K.E, of the body becomes half its original value is given by:
A. 50 m
B. 12.5 m
C. 25 m
D. 10 m
6 In which of the following states does the incandescent substance give continuous spectrum?
A. Vapours in atomic state
B. Vapours in molecular state
C. Solid or fluid in bulk state
D. Solid or fluid in plasma state
7 In a common base transistor circuit, the current gain is 0.98. On changing the emitter current by 5.00 mA, the change in collector current is
A. 0.916 mA
B. 2.45 mA
C. 4.9 mA
D. 5.1 mA
8 The mass defect for the nucleus of helium is 0.0303 a.m.u. What is the binding energy per nucleon for helium in MeV?
A. 28
B. 7
C. 4
D. 1
9 In an L-R circuit, time constant is that time in which current grows from zero to the value
A. 0.63 Io
B. 0.50 Io
C. 0.37 Io
D. Io
10 The percentage errors in the measurements of mass and speed are 2% and 3% respectively. How much will be the maximum error in the estimate of the kinetic energy obtained by measuring mass and speed
A. 11%
B. 8%
C. 5%
D. 1%

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  • Khalid Khan

    Khalid Khan

    28 Mar 2024

    paring scheme of mathh

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