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

00:00
Question # 1

Which of the following sources give discrete emission spectrum?

Question # 2

If the earth were to rotate faster, than its present speed the weight of an object will

Question # 3

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

Question # 4

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

Question # 5

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 # 6

Two point charges A and B separated by a distance R attract each other with a force of 12 x 10-3N. The force between A and B when the charges on them are doubled and distance is halved

Question # 7

When n-type of semiconductor is heated

Question # 8

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

Question # 9

The dot product of two vectors is negative when

Question # 10

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 # 11

The length of a telescope is 36 cm. The focal lengths of its lenses can be

Question # 12

A particle moves along a circular path under the action of a force. The work done by the force is

Question # 13

A conducting wire is drawn to double its length. Final resistivity of the material will be

Question # 14

The mass defect for the nucleus of helium is 0.0303 a.m.u. What is the binding energy per nucleon for helium in MeV?

Question # 15

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:

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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 To get a resultant displacement of 10 m, two displacement vectors of magnitude 6 m and 8 m should be combined
A. Parallel
B. Antiparallel
C. At angle 60°
D. Perpendicular to each other
2 The unit of inductance is equivalent to
A. V x s/A
B. V x A/s
C. A x s/v
D. V/A x s
3 A body moves a distance of 10 m along a straight line under the action of a force of 5 Newton's. If the work done is 25 joules, the angle which the force takes with the direction of motion of the body is:
A. 0°
B. 30°
C. 60°
D. 90°
4 One cannot see fog because
A. Fog absorbs light
B. The refractive index of fog is infinity
C. Light suffers total reflection at the droplet in a fog
D. Light is scattered by the droplet in fog
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 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
7 In which of the following states does the incandescent substance give continuous spectrum?
A. Vapours in atomic state
B. Vapours in molecular state
C. Solid or fluid in bulk state
D. Solid or fluid in plasma state
8 Which of the following four statement is false?
A. A body can have zero velocity and still be accelerated
B. A body can have a constant velocity and still have a varying speed
C. A body can have a constant speed and still have a varying velocity
D. The direction of the velocity of a body can change when its acceleration is constant
9 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%
10 With the increase of temperature viscosity
A. Increase
B. Decrease
C. Remains same
D. Doubles

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