NAT IIP Physical Science Physics Preparation Online Test for Pakistani Students

MCQ's Test For NAT II Physical Science Physics

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NAT II Physical Science Physics

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Question # 1

Which of the following is the only vector quantity?

Question # 2

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 # 3

The average binding energy of a nucleus inside an atomic nucleus is about

Question # 4

A particle moving in a magnetic field has increase in its velocity, then its radius of the circle

Question # 5

A force of 10N is acting along y-axis. Its component along x-axis is

Question # 6

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 # 7

In case of p-n junction diode, at high value of reverse bias, the current rises sharply. The value of reverse bias is known as:

Question # 8

In a simple harmonic motion the kinetic energy (KE) and the potential energy (PE), are such that throughout the motion

Question # 9

What remains constant when the earth revolves around the sun?

Question # 10

Which of the following four statement is false?

Question # 11

Which quantity is increased in step-down transformer?

Question # 12

The force between two charges 0.06 m apart is 5 N. If each charge is moved towards the other by 0.01 m, then the force between them will become

Question # 13

At constant volume temperature is increased. Then

Question # 14

If the metal bob is a simple pendulum is replaced by a wooden bob, then its time period will

Question # 15

If the amplitude of sound is doubled and the frequency reduced to one-fourth, the intensity of sound at the same point will be

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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 In a voltmeter the conduction takes place due to
A. Electrons only
B. Holes only
C. Electrons and holes
D. Electrons and ions
2 Planck's constant has the dimensions of:
A. Energy
B. Momentum
C. Frequency
D. Angular momentum
3 Absolute temperature can be calculated by
A. Mean square velocity
B. Motion of the molecule
C. Both A and B
D. None of these
4 A photocell with a constant p.d. of V volt across it illuminated by a point source from a distance of 25 cm. When the source is moved to a distance of 1m, the electrons emitted by the photocell
A. Carry 1/4th their previous energy
B. Are 1/16th as numerous as before
C. Are 1/4th as numerous as before
D. Carry 1/4th their previous momentum
5 The angle between rectangular components of a vector is
A. 0°
B. 60°
C. 90°
D. 120°
6 The modulus of rigidity of a liquid is
A. Zero
B. 1
C. Infinity
D. A value not one of those mentioned above
7 The incorrect statement regarding the lines of force of the magnetic field B is
A. Magnetic intensity is a measure of lines of force passing through unit area held normal to it
B. Magnetic lines of force form a close curve
C. Inside a magnet, its magnetic lines of force move from north pole of a magnet towards its south pole
D. Due to a magnet magnetic lines of force never cut each other
8 How much water a pump of 2kW can raise in one minute to a height of 10 m, take g = 10 m/s2?
A. 1000 liters
B. 1200 liters
C. 100 liters
D. 2000 liters
9 The peak voltage in 220 volt A.C. supply is nearly
A. 220 volt
B. 253 volt
C. 311 volt
D. 440 volt
10 An object is placed at a distance of f/2 from a convex lens. The image will be
A. At one of the foci, virtual and double its size
B. At, 3f/2, real and inverted
C. At 2f, virtual and erect
D. At f, real and inverted

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