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

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

Question # 2

The nuclear model of atom was proposed by

Question # 3

In Which case does the potential energy decreases?

Question # 4

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 # 5

The dimensional formula of torque is:

Question # 6

Bernoulli's equation is based upon law of conservation

Question # 7

A prism splits a beam of white light into its seven constituent colors. This is so because

Question # 8

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

Question # 9

The unit of inductance is equivalent to

Question # 10

To increase the magnification of a telescope

Question # 11

The sum of the magnitude of two forces acting at a point is 18 and the magnitude of their resultant is 12. If the resultant is at 90°with the force of the smaller magnitude, then their magnitudes are:

Question # 12

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 # 13

Which of the following lists of physical quantities consists only of vectors:

Question # 14

If 2.2 kilowatt power is transmitted through a 10 ohm line at 22000 volt, the power loss in the form of heat will be

Question # 15

A body moving in circular motion with constant speed has

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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 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
A. Less
B. Greater
C. Equal
D. Cannot be concluded
2 The time period of a simple pendulum is 2 seconds. If its length is increased by 4 times, then its period becomes
A. 16 s
B. 12 s
C. 8 s
D. 4 s
3 An ideal choked (used along with fluorescent tube) would be
A. A pure resistor
B. A pure capacitor
C. A pure inductor
D. A combination of an inductor and a capacitor
4 The essential distinction between X-rays andγ-rays is that
A. γ-rays have smaller wavelength than X-rays
B. γ-rays emanate from nucleus while X-rays emanate from outer part of the atom
C. γ-rays have greater ionizing power than X-rays
D. γ-rays are more penetrating than X-rays
5 Electrons in the atom are held in the atom due to
A. Coulomb forces
B. Nuclear forces
C. Gravitational forces
D. Van der Waal's forces
6 A particle is moving in a uniform magnetic filed, then
A. its momentum changes but total energy remains the same
B. Both momentum and total energy remains the same
C. Both changes
D. Total energy change but momentum remains
7 A particle moving in a magnetic field has increase in its velocity, then its radius of the circle
A. Decreases
B. Increases
C. Remains the same
D. Becomes half
8 A moving charge will gain energy due to the application of
A. Electric field
B. Magnetic field
C. Both of these
D. None of these
9 Centre of mass is a point
A. Which is geometric centre of a body
B. From which distance of particles are same
C. Where the whole mass of the body is supposed to be centered
D. Which is the origin of reference frame
10 The part of a transistor which is heavily doped to produce large number of majority carriers is
A. Emitter
B. Base
C. Collector
D. Any of the above depending on nature of transistor

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