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

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

Question # 2

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

Question # 3

If the period of oscillation of mass (M) suspended from a spring is 2s, then the period of mass 4M will be

Question # 4

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

Question # 5

A pendulum clock set to give correct time in Karachi is taken to Quetta. It would give correct time if

Question # 6

A cable breaks if stretched by more than 2 mm. It is cut into two equal parts. How much either part can be stretched without breaking?

Question # 7

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

Question # 8

A prism splits a beam of white light into its seven constituent colors. This is so because

Question # 9

Bernoulli's equation is based upon law of conservation

Question # 10

Two forces are acting together on an object. The magnitude of their resultant is minimum when the angle between the force is

Question # 11

The half-life of a radio-isotope is 5 years. The fraction of atoms decayed in this substance after 15 years will be

Question # 12

In an A.C. circuit, a resistance of R ohm is connected in series with an inductance L. If phase angle between voltage and current be 45°, the value of inductive reactance will be

Question # 13

A (100 W, 200 V) bulb is connected to a 160 V power supply. The power consumption would be

Question # 14

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

Question # 15

Steel is preferred for making springs over copper. Why?

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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 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
2 The conductivity of a superconductor is
A. Infinite
B. Very large
C. Very small
D. Zero
3 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
4 The dimensional formula for the modulus of elasticity is same as that for:
A. Stress
B. Strain
C. Velocity
D. Surface tension
5 A cable that can support a load W is cut into two equal parts. The maximum load that can be supported by either part is:
A. W/4
B. W/2
C. W
D. 2W
6 The twinkling of stars is due to
A. The fact that stars do not emit light continuously
B. The refractive index of the earth's atmosphere fluctuate
C. Intermittent absorption of star light by its own atmosphere
D. None of these
7 Radio waves of constant amplitude can be generated with
A. Rectifier
B. Filter
C. FET
D. oscillator
8 Band spectrum is produced by
A. H
B. He
C. H2
D. Na
9 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
10 Ultra-violet radiation of 6.2 eV falls on an aluminium surface. K.E. of fastest electron emitted is (Work function = 4.2 eV)
A. 3.2 x 10-21 J
B. 3.2 x 10-19 J
C. 7 x 10-25 J
D. 9 x 10-32 J

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  • Khalid Khan

    Khalid Khan

    28 Mar 2024

    paring scheme of mathh

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