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

A wire of radius r has resistance R, It it is stretched to a wire of r/2 radius, then the resistance becomes

Question # 2

In which of the following states does the incandescent substance give continuous spectrum?

Question # 3

What remains constant in the field of central force?

Question # 4

When sound waves travel from air to water which of these remains constant?

Question # 5

A planet is observed by an astronomical refracting telescope having an objective of focal length 16 m and an eyepiece of focal length 2 cm.

Question # 6

The contrast in the fringes in any interference pattern depends on

Question # 7

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 # 8

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

Question # 9

The initial velocity of a body moving along a straight line in 7 m/s. It has a uniform acceleration of 4 m/s2. The distance covered by the body in the 5th second of its motion is

Question # 10

Ball pen function on the principle of

Question # 11

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

Question # 12

In an L-R circuit, time constant is that time in which current grows from zero to the value

Question # 13

The mass of a proton is 1847 times that of an electron. An electron and a proton are projected into a uniform electric field in a direction at right angles to the direction of the field with the same initial kinetic energy.The

Question # 14

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

Question # 15

A fly is sitting on the objective of a telescope pointed towards the moon.
What effect is expected on the photography of the moon taken through the telescope?

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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 The dimensional formula for the modulus of elasticity is same as that for:
A. Stress
B. Strain
C. Velocity
D. Surface tension
2 The volt/metre is the unit of:
A. Potential
B. Work
C. Force
D. Electric field intensity
3 With the propagation of a longitudinal wave through a material medium, the quantities transmitted in the propagation direction are
A. Energy, momentum and mass
B. Energy
C. Energy and mass
D. Energy and linear momentum
4 If the metal bob is a simple pendulum is replaced by a wooden bob, then its time period will
A. Increas
B. Decreases
C. Remain the same
D. First A then B
5 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%
6 Copper and germanium are cooled to 70K from room temperature, then
A. Resistance of copper increases while that of germanium decreases
B. Resistance of copper decreases while that of germanium increases
C. Resistance of both decreases
D. Resistance of both increases
7 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
8 For obtaining appreciable extension, the wire should be
A. Short and thin
B. Long and thin
C. Short and thick
D. Long and thick
9 All of the following statements are correct except
A. The total focal length of astronomical telescope is the sum of the focal lengths of its two lenses
B. The image formed by the astronomical telescope is always erect because the effect of the combination of the two lenses is divergent
C. The magnification of an astronomical telescope can increases by decreasing the focal length of the eyepiece
D. The magnifying power of the refracting type of astronomical telescope is the ratio of the focal length of the objective to that of the eye piece
10 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
A. 48A
B. 24V
C. 12V
D. 6V

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