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

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Question # 1

What remains constant in the field of central force?

Question # 2

A couple produces

Question # 3

How does the Young's modulus vary with the increase of temperature?

Question # 4

In Young's experiment, two coherent sources are placed 0.90 mm apart and the fringes are observed one metre away. If its produces the second dark fringe at a distance of 1 mm from the central fringe, the wavelength of monochromatic light used would be

Question # 5

To explain his theory Bohr used

Question # 6

For production of beats the two sources must have

Question # 7

Electrons in the atom are held in the atom due to

Question # 8

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 # 9

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 # 10

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

Question # 11

The henry is the unit for

Question # 12

The excess (equal in number) of electrons that must be placed on each of two small spheres spaced 3 cm apart, with force of repulsion between the spheres to be 10-19N, is

Question # 13

In which region of electromagnetic spectrum does the Lyman series of hydrogen atom lie

Question # 14

All of the following statements are correct except

Question # 15

The dimensional formula of torque is:

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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 A man pushes a wall but fails to displace it. He does:
A. Negative work
B. Maximum positive work
C. Positive work but not maximum
D. No work
2 Band spectrum is produced by
A. H
B. He
C. H2
D. Na
3 Quantity that remains unchanged in a transformer is
A. Voltage
B. Current
C. Frequency
D. None of these
4 A 220 V, 50 Hz. A.C. source is connected to an inductance of 0.2 H and a resistance of 20 ohm in series. What is the current in the circuit?
A. 10 A
B. 5 A
C. 33.3 A
D. 3.33 A
5 With the increase of temperature viscosity
A. Increase
B. Decrease
C. Remains same
D. Doubles
6 The henry is the unit for
A. Resistance
B. Magnetic flux
C. Magnetic field
D. Inductance
7 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%
8 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
9 A sun rise or sun set, the sun looks reddish because:
A. The sun is coldest at these times
B. Of the effects of reflection and refraction
C. The sun is hottest at these times
D. Of the scattering of light
10 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:
A. q = Q/4
B. q = Q/2
C. q = Q
D. None of these

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