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

The dimensional formula for the modulus of elasticity is same as that for:

Question # 2

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

Question # 3

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

Question # 4

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

Question # 5

The sieman is the SI unit of

Question # 6

A 220 V, 50 Hz. A.C. source is connected to an inductance of 0.2 H and a resistance of 20 ohm in series. What is the current in the circuit?

Question # 7

A converging lens is used to form an image on a screen. When the upper half of the lens is covered by an opaque screen

Question # 8

Angular momentum is

Question # 9

The dimensional formula of torque is:

Question # 10

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

Question # 11

How does the Young's modulus vary with the increase of temperature?

Question # 12

The fundamental unit which has same power in the dimensional formula of surface tension and viscosity is:

Question # 13

With the increase of temperature viscosity

Question # 14

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:

Question # 15

A lens behaves as a converging lens in air and a diverging lens in water. The refractive index of the material is

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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 A wire is stretched to double of its length. The strain is
A. 2
B. 1
C. zero
D. 0.5
2 A monochromatic source of light is placed at a large distance d from a metal surface. Photoelectrons are ejected at rate n, kinetic energy being E. If the source is brought nearer to distance d/2, the rate and kinetic energy per photoelectron become nearly
A. 2n and 2E
B. 4n and 4E
C. 4n and E
D. N and 4E
3 Ball pen function on the principle of
A. Viscosity
B. Boyle's law
C. Gravitational force
D. Surface tension
4 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
A. R/4
B. R/2
C. R
D. Cannot be found with the given data
5 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
A. 0.1 watt
B. 1 watt
C. 10 watt
D. 100 watt
6 The excess (equal in number) of electrons that must be placed on each of two small spheres spaced 3 cm apart, with force of repulsion between the spheres to be 10-19N, is
A. 25
B. 225
C. 625
D. 1250
7 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
A. 1.275 eV
B. 12.75 eV
C. 5 eV
D. 8 eV
8 Shunt required in an ammeter of resistance R to decrease its deflection from 30 ampere to 10 ampere is
A. R/4
B. R/3
C. R/2
D. R
9 Which of the following is the only vector quantity?
A. Temperature
B. Energy
C. Power
D. Momentum
10 The incorrect statement regarding the lines of force of the magnetic field B is
A. Magnetic intensity is a measure of lines of force passing through unit area held normal to it
B. Magnetic lines of force form a close curve
C. Inside a magnet, its magnetic lines of force move from north pole of a magnet towards its south pole
D. Due to a magnet magnetic lines of force never cut each other

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  • Khalid Khan

    Khalid Khan

    28 Mar 2024

    paring scheme of mathh

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