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

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:

Question # 2

When the length of a microscope tube increases, its magnifying power

Question # 3

Huygen's wave theory of light cannot explain

Question # 4

One cannot see fog because

Question # 5

Two forces of 10N and 15N are acting simultaneously on an object in the same direction. Their resultant is

Question # 6

A person standing on a rotating platform has his hands lowered. He suddenly outstretches his arms. The angular momentum

Question # 7

How much water a pump of 2kW can raise in one minute to a height of 10 m, take g = 10 m/s2?

Question # 8

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

Question # 9

The unit of inductance is equivalent to

Question # 10

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

Question # 11

A bullet is shot from a rifle. As a result the rifle recoils. The kinetic energy of rifle as compared to that of bullet is

Question # 12

If yellow light emitted by sodium lamp in Young's double slit experiment is replaced by monochromatic blue light of the same intensity

Question # 13

In which case application of angular velocity is useful?

Question # 14

A sun rise or sun set, the sun looks reddish because:

Question # 15

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

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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 With the propagation of a longitudinal wave through a material medium, the quantities transmitted in the propagation direction are
A. Energy, momentum and mass
B. Energy
C. Energy and mass
D. Energy and linear momentum
2 According to classical theory the proposed circular path of an electron in Rutherford model of atom will be
A. Circular
B. Straight line
C. Parabolic
D. Spiral
3 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
4 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%
5 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
A. 12 s
B. 8 s
C. 15 s
D. 10 s
6 Which quantity is increased in step-down transformer?
A. Current
B. Voltage
C. Power
D. Frequency
7 Absolute temperature can be calculated by
A. Mean square velocity
B. Motion of the molecule
C. Both A and B
D. None of these
8 Which of the following is a scalar quantity?
A. Density
B. Displacement
C. Torque
D. Weight
9 How does the Young's modulus vary with the increase of temperature?
A. Decrease
B. Increases
C. Remains constant
D. First increases and then decreases
10 A body of mass 2 kg is thrown up vertically with K.E. of 490 joules. If the acceleration due to gravity is 9.8 m/s2, the height at which the K.E, of the body becomes half its original value is given by:
A. 50 m
B. 12.5 m
C. 25 m
D. 10 m

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