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 henry is the unit for

Question # 2

A capacitor acts as an infinite resistance for

Question # 3

Ultra-violet radiation of 6.2 eV falls on an aluminium surface. K.E. of fastest electron emitted is (Work function = 4.2 eV)

Question # 4

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

Question # 5

To explain his theory Bohr used

Question # 6

The essential distinction between X-rays andγ-rays is that

Question # 7

Huygen's wave theory of light cannot explain

Question # 8

A 50-volt battery is connected across 10-ohm resistor. The current is 4.5 A. The internal resistance of the battery is

Question # 9

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?

Question # 10

The direction of induced current is such that it opposes the very cause that has produced it. This is the law of

Question # 11

A ten-ohm electric heater operates on a 110 V line. Calculate the rate at which it develops heat in watts:

Question # 12

Bernoulli's equation is based upon law of conservation

Question # 13

Who explained the origin of the Fraunhoffer lines?

Question # 14

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

Question # 15

The peak voltage in 220 volt A.C. supply is nearly

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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 To make the frequency double of an oscillator, we have to
A. Double the mass
B. Half the mass
C. Quadruple the mass
D. Reduce the mass to one fourth
2 The length of a telescope is 36 cm. The focal lengths of its lenses can be
A. 30 cm, 6 cm
B. -30 cm, -6 cm
C. 30 cm, -6cm
D. -30cm, 6cm
3 The angle between rectangular components of a vector is
A. 0°
B. 60°
C. 90°
D. 120°
4 Which of the following lists of physical quantities consists only of vectors:
A. Time, temperature, velocity
B. Force, volume, momentum
C. Velocity, acceleration, mass
D. Force, acceleration, velocity
5 A pendulum clock set to give correct time in Karachi is taken to Quetta. It would give correct time if
A. The mass of the pendulum is increased
B. The mass of the pendulum is decreased
C. The length of the pendulum is increased
D. The length of the pendulum is decreased
6 The peak voltage in 220 volt A.C. supply is nearly
A. 220 volt
B. 253 volt
C. 311 volt
D. 440 volt
7 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
8 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
9 What is the average energy of N molecules of monoatomic gas?
A. 1/2 NKT
B. NKT
C. 3/2 NKT
D. 5/2 NKT
10 Blood has a density
A. Equal to water
B. Greater then water
C. Lesser then water
D. None of these

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  • Khalid Khan

    Khalid Khan

    28 Mar 2024

    paring scheme of mathh

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