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 voltmeter has resistance of 2000 ohms and it can measure up to 2V. If we want to increase its range to 10V then required resistance in series will be

Question # 2

According to the Hooke's law the force required to change the length of a wire by 'I' is proportional to

Question # 3

Shunt required in an ammeter of resistance R to decrease its deflection from 30 ampere to 10 ampere is

Question # 4

The number of translation degrees of freedom for a diatomic gas is

Question # 5

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

Question # 6

The number of turns in the primary coil of a transformer is 200 and the number of turns in the secondary coil is 10. If 240 volts ac are applied to the primary, the output the secondary will be

Question # 7

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

Question # 8

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

Question # 9

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 # 10

Which quantity is increased in step-down transformer?

Question # 11

The structure of solids is investigated by using

Question # 12

At constant volume temperature is increased. Then

Question # 13

The motion without consideration of its cause is studied in

Question # 14

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

Question # 15

When boron is added as an impurity to silicon, the resulting material is.

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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 A force of 10N is acting along y-axis. Its component along x-axis is
A. 10N
B. 20N
C. 100N
D. Zero N
2 A wire of radius r has resistance R, It it is stretched to a wire of r/2 radius, then the resistance becomes
A. 2R
B. 4R
C. 16R
D. Zero
3 With the increase of temperature viscosity
A. Increase
B. Decrease
C. Remains same
D. Doubles
4 What remains constant in the field of central force?
A. Potential energy
B. Kinetic energy
C. Angular momentum
D. Linear momentum
5 A man pushes a wall but fails to displace it. He does:
A. Negative work
B. Maximum positive work
C. Positive work but not maximum
D. No work
6 A person standing on a rotating platform has his hands lowered. He suddenly outstretches his arms. The angular momentum
A. Becomes zero
B. Increases
C. Decreases
D. Remains the same
7 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
A. 200V, 50 Hz
B. 2V, 50 Hz
C. 200V, 500 Hz
D. 2V, 5 Hz
8 The temperature at which the speed of sound becomes double as was at 27°C is
A. 273°C
B. 0°C
C. 927°C
D. 1027°C
9 The average binding energy of a nucleus inside an atomic nucleus is about
A. 8 MeV
B. 8 eV
C. 8 Joules
D. 8 ergs
10 Which of the following is a scalar quantity?
A. Density
B. Displacement
C. Torque
D. Weight

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