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

Huygen's wave theory of light cannot explain

Question # 2

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

Question # 3

Which of the following is not thermo dynamical function?

Question # 4

A p-n junction has a thickness of the order of:

Question # 5

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

Question # 6

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

Question # 7

According to classical theory the proposed circular path of an electron in Rutherford model of atom will be

Question # 8

Steel is preferred for making springs over copper. Why?

Question # 9

What remains constant when the earth revolves around the sun?

Question # 10

The nucleus 6C12 absorbs an energetic neutron and emits a beta particle (β). The resulting nucleus is

Question # 11

In which region of electromagnetic spectrum does the Lyman series of hydrogen atom lie

Question # 12

The modulus of rigidity of a liquid is

Question # 13

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

Question # 14

A body moving in circular motion with constant speed has

Question # 15

Centre of mass is a point

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Sr.# Question Answer
1 Electrons in the atom are held in the atom due to
A. Coulomb forces
B. Nuclear forces
C. Gravitational forces
D. Van der Waal's forces
2 The fundamental unit which has same power in the dimensional formula of surface tension and viscosity is:
A. Mass
B. Length
C. Time
D. None
3 Which of the following is a scalar quantity?
A. Density
B. Displacement
C. Torque
D. Weight
4 The initial velocity of a body moving along a straight line in 7 m/s. It has a uniform acceleration of 4 m/s2. The distance covered by the body in the 5th second of its motion is
A. 25 m
B. 35 m
C. 50 m
D. 85 m
5 Which of the following is the only vector quantity?
A. Temperature
B. Energy
C. Power
D. Momentum
6 A body moves a distance of 10 m along a straight line under the action of a force of 5 Newton's. If the work done is 25 joules, the angle which the force takes with the direction of motion of the body is:
A. 0°
B. 30°
C. 60°
D. 90°
7 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
8 With the increase of temperature viscosity
A. Increase
B. Decrease
C. Remains same
D. Doubles
9 The unit of electric current 'ampere' is the amount of current flowing through each of two parallel wires 1 m apart and of infinite length will give rise to a force between them equal to
A. 1 N/m
B. 2 x 10-7N/m
C. 1 x 10-2N/m
D. 4 x 102N/m
10 A particle moving in a magnetic field has increase in its velocity, then its radius of the circle
A. Decreases
B. Increases
C. Remains the same
D. Becomes half

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