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

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

Question # 2

Mechanical waves on the surfaces of a liquid are

Question # 3

The time period of a simple pendulum is 2 seconds. If its length is increased by 4 times, then its period becomes

Question # 4

A train of 150 m length is going towards north direction at a speed of 10 ms-1. A parrot flies at a speed of 5 ms-1towards south direction parallel to the railway track. The time taken by the parrot to cross the train is equal to

Question # 5

Steel is preferred for making springs over copper. Why?

Question # 6

A boy is dropped from a tower with zero velocity, reaches ground in 4s. The height of the tower is about

Question # 7

The temperature at which the speed of sound becomes double as was at 27°C is

Question # 8

What remains constant in the field of central force?

Question # 9

In which of the following states does the incandescent substance give continuous spectrum?

Question # 10

Which of the following lists of physical quantities consists only of vectors:

Question # 11

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:

Question # 12

There are discrete energy levels in atoms. It was first experimentally demonstrated by

Question # 13

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

Question # 14

A piece of fuse wire melts when a current of 15 ampere flows through it.
With this current, if it dissipates 22.5 W, the resistance of fuse wire will be

Question # 15

When boron is added as an impurity to silicon, the resulting material is.

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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 Angular momentum is
A. Vector (axial)
B. Vector (polar)
C. Scalar
D. None of these
2 The dot product of two vectors is negative when
A. They are parallel vectors
B. They are anti-parallel vectors
C. They are perpendicular vectors
D. None of the above is correct
3 To increase the magnification of a telescope
A. The objective lens should be of large focal length and eyepiece should be of short focal length
B. The objective and eyepiece both should be of large focal lengths
C. Both the objective and eyepiece should be of smaller lengths
D. The objective should be small focal length and eyepiece should be of large focal length
4 At a certain instant a stationary transverse wave is found to have maximum kinetic energy. The appearance of string of that instant is:
A. Sinusoidal shape with amplitude A/3
B. Sinusoidal shape with amplitude A/2
C. Sinusoidal shape with amplitude A
D. Straight line
5 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
6 What will be the ratio of the distance moved by a freely falling body from rest in 4th and 5th seconds of journey?
A. 4 : 5
B. 7 : 9
C. 16 : 25
D. 1 : 1
7 The velocity of a particle at an instant is 10 m/s and after 5s the velocity of the particle is 20 m/s. The velocity 3s before in m/s is:
A. 8
B. 4
C. 6
D. 7
8 Which of the following lists of physical quantities consists only of vectors:
A. Time, temperature, velocity
B. Force, volume, momentum
C. Velocity, acceleration, mass
D. Force, acceleration, velocity
9 A sun rise or sun set, the sun looks reddish because:
A. The sun is coldest at these times
B. Of the effects of reflection and refraction
C. The sun is hottest at these times
D. Of the scattering of light
10 With the increase of temperature viscosity
A. Increase
B. Decrease
C. Remains same
D. Doubles

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  • Khalid Khan

    Khalid Khan

    28 Mar 2024

    paring scheme of mathh

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