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

If the dot product of two non-zero vectors vanishes, the vectors will be

Question # 2

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

Question # 3

Which one of the following phenomena is not explained by Hugen's construction of wavefront?

Question # 4

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

Question # 5

The velocity of a particle at an instant is 10 m/s and after 5s the velocity of the particle is 20 m/s. The velocity 3s before in m/s is:

Question # 6

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

Question # 7

The angle between rectangular components of a vector is

Question # 8

At 0°K which of the following properties of a gas will be zero?

Question # 9

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

Question # 10

Huygen's wave theory of light cannot explain

Question # 11

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

Question # 12

Bernoulli's equation is based upon law of conservation

Question # 13

A wire of radius r has resistance R, It it is stretched to a wire of r/2 radius, then the resistance becomes

Question # 14

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 # 15

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

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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 When we apply reverse bias to a junction diode, it
A. Lowers the potential barrier
B. Raise the potential barrier
C. Increase the majority carrier current
D. Increase the minority carrier current
2 When the length of a microscope tube increase, its magnifying power
A. Decreases
B. Increases
C. Does not Change
D. May increase or decrease depending on the observer and the place of observation
3 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?
A. 0.25 m
B. 0.5 m
C. 1 mm
D. 2 mm
4 Which of the modulus of elasticity is involved in compression a rod to decrease its length?
A. Young's modulus
B. Bulk modulus
C. Modulus of rigidity
D. None of the above
5 At constant volume temperature is increased. Then
A. Collision on walls will be less
B. Number of collisions per unit time will increase
C. Collisions will be in straight lines
D. Collisions will not change
6 Which of the following particles would experience the largest magnetic force when projected with the same velocity perpendicular to a magnetic field?
A. Proton
B. Electron
C. He+
D. Li+
7 Which quantity is increased in step-down transformer?
A. Current
B. Voltage
C. Power
D. Frequency
8 In Which case does the potential energy decreases?
A. On compressing a spring
B. On stretching a spring
C. One moving a body against gravitational force
D. One the rising of an air bubble in water
9 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
10 Boyle's law is applicable in
A. Isochoric process
B. Isothermal process
C. Isobaric process
D. Isotonic process

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  • Khalid Khan

    Khalid Khan

    28 Mar 2024

    paring scheme of mathh

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