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

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Question # 1

In Young's experiment, two coherent sources are placed 0.90 mm apart and the fringes are observed one metre away. If its produces the second dark fringe at a distance of 1 mm from the central fringe, the wavelength of monochromatic light used would be

Question # 2

A conducting wire is drawn to double its length. Final resistivity of the material will be

Question # 3

Which one of the following is a simple harmonic motion?

Question # 4

When sound waves travel from air to water which of these remains constant?

Question # 5

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 # 6

A particle is moving in a uniform magnetic filed, then

Question # 7

The direction of induced current is such that it opposes the very cause that has produced it. This is the law of

Question # 8

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

Question # 9

Blood has a density

Question # 10

Which of the following is not thermo dynamical function?

Question # 11

Steel is preferred for making springs over copper. Why?

Question # 12

If 2.2 kilowatt power is transmitted through a 10 ohm line at 22000 volt, the power loss in the form of heat will be

Question # 13

The primary winding of transformer has 500 turns whereas its secondary has 5000 turns. The primary is connected to an a.c. supply of 20 V, 50 Hz. The secondary will have an output of

Question # 14

A wire is stretched to double of its length. The strain is

Question # 15

A charge Q is divided into two parts q and Q - q and separated by a distance R. The force of repulsion between them will be maximum when:

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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 Which of the following is not thermo dynamical function?
A. Enthalpy
B. Work done
C. Gibb's energy
D. Internal energy
2 If tube length of astronomical telescope is 105 cm and magnifying power is 20 for normal setting. Calculate the focal length of objective
A. 100 cm
B. 10 cm
C. 20 cm
D. 25 cm
3 Which of the following sources give discrete emission spectrum?
A. Incandescent electric bulb
B. Sun
C. Mercury vapour lamp
D. Candle
4 Quantity that remains unchanged in a transformer is
A. Voltage
B. Current
C. Frequency
D. None of these
5 In a simple harmonic motion the kinetic energy (KE) and the potential energy (PE), are such that throughout the motion
A. KE remains constant
B. PE remains constant
C. KE/PE is constant
D. KE+PE remains constant
6 A person standing near the track of a fast moving train has tendency to fall towards it because of
A. Vibration due to motion of train
B. Gravitation force of attraction between person and trains
C. The high speed of train
D. Some other effect
7 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%
8 Which of the following particles would experience the largest magnetic force when projected with the same velocity perpendicular to a magnetic field?
A. Proton
B. Electron
C. He+
D. Li+
9 Mechanical waves on the surfaces of a liquid are
A. Transverse
B. Longitudinal
C. Torsional
D. both transverse and longitudinal
10 In which case application of angular velocity is useful?
A. When a body is rotating
B. When velocity of body is in a straight line
C. When velocity is in a straight line
D. None of these

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  • Khalid Khan

    Khalid Khan

    28 Mar 2024

    paring scheme of mathh

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