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 one of the following is a simple harmonic motion?

Question # 2

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

Question # 3

When n-type of semiconductor is heated

Question # 4

To make the frequency double of an oscillator, we have to

Question # 5

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

Question # 6

At a certain instant a stationary transverse wave is found to have maximum kinetic energy. The appearance of string of that instant is:

Question # 7

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:

Question # 8

The volt/metre is the unit of:

Question # 9

The structure of solids is investigated by using

Question # 10

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

Question # 11

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

Question # 12

The nuclear model of atom was proposed by

Question # 13

Two forces are acting together on an object. The magnitude of their resultant is minimum when the angle between the force is

Question # 14

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 # 15

The twinkling of stars is due to

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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 Ball pen function on the principle of
A. Viscosity
B. Boyle's law
C. Gravitational force
D. Surface tension
2 A couple produces
A. Purely linear motion
B. Purely rotational motion
C. Linear and rotational motion
D. No motion
3 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
4 In an A.C. circuit, a resistance of R ohm is connected in series with an inductance L. If phase angle between voltage and current be 45°, the value of inductive reactance will be
A. R/4
B. R/2
C. R
D. Cannot be found with the given data
5 When the length of a microscope tube increases, its magnifying power
A. Decreases
B. Increases
C. May increases or decreases depending on the observer and the place of observation
D. Does not change
6 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
7 Quantity that remains unchanged in a transformer is
A. Voltage
B. Current
C. Frequency
D. None of these
8 Blood has a density
A. Equal to water
B. Greater then water
C. Lesser then water
D. None of these
9 In an L-R circuit, time constant is that time in which current grows from zero to the value
A. 0.63 Io
B. 0.50 Io
C. 0.37 Io
D. Io
10 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

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