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

  • Total Questions15

  • Time Allowed15

NAT II Physical Science Physics

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Question # 1

The nuclear model of atom was proposed by

Question # 2

When a hydrogen atom is bombarded, the atom is excited to the n = 4 state of hydrogen atom. The energy released when the atom falls from n = 4 state to the ground state is

Question # 3

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

Question # 4

A photoelectric cell coverts

Question # 5

In a simple harmonic motion (SHM), which of the following does not hold?

Question # 6

A motorist travels A to B at a speed at 40 km/h and returns at speed of 60 km/h. His average speed will be

Question # 7

The peak voltage in 220 volt A.C. supply is nearly

Question # 8

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 # 9

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 # 10

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 # 11

Radio waves of constant amplitude can be generated with

Question # 12

In Which case does the potential energy decreases?

Question # 13

Band spectrum is produced by

Question # 14

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

Question # 15

What is the average energy of N molecules of monoatomic gas?

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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 A motorist travels A to B at a speed at 40 km/h and returns at speed of 60 km/h. His average speed will be
A. 40 km/h
B. 48 km/h
C. 50 km/h
D. 60 km/h
2 All of the following statements are correct except
A. The total focal length of astronomical telescope is the sum of the focal lengths of its two lenses
B. The image formed by the astronomical telescope is always erect because the effect of the combination of the two lenses is divergent
C. The magnification of an astronomical telescope can increases by decreasing the focal length of the eyepiece
D. The magnifying power of the refracting type of astronomical telescope is the ratio of the focal length of the objective to that of the eye piece
3 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
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 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%
6 A point charge Q is placed at the mid-point of a line joining two charges, 4q and q. If the net force on charge q is zero, then Q must be equal to
A. -q
B. +q
C. -2q
D. +4q
7 Huygen's wave theory of light cannot explain
A. Diffraction
B. Interference
C. Polarization
D. Photoelectric effect
8 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
A. 1.92 N
B. 19.2 N
C. 12 N
D. 0.192 N
9 A capacitor acts as an infinite resistance for
A. AC
B. DC
C. Both AC and DC
D. Neither AC nor DC
10 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.
A. The distance between the objective and the eyepiece is 8 m
B. The angular magnification of the planet is 200
C. The image of the planet is inverted
D. The objective is smaller than the eyepiece

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  • Khalid Khan

    Khalid Khan

    28 Mar 2024

    paring scheme of mathh

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