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

Ball pen function on the principle of

Question # 2

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

Question # 3

If the metal bob is a simple pendulum is replaced by a wooden bob, then its time period will

Question # 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

Question # 5

A man pushes a wall but fails to displace it. He does:

Question # 6

If the dot product of two non-zero vectors vanishes, the vectors will be

Question # 7

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

Question # 8

A person standing near the track of a fast moving train has tendency to fall towards it because of

Question # 9

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?

Question # 10

The dimensional formula for the modulus of elasticity is same as that for:

Question # 11

Which of the following particles would experience the largest magnetic force when projected with the same velocity perpendicular to a magnetic field?

Question # 12

The nucleus 6C12 absorbs an energetic neutron and emits a beta particle (β). The resulting nucleus is

Question # 13

A monochromatic source of light is placed at a large distance d from a metal surface. Photoelectrons are ejected at rate n, kinetic energy being E. If the source is brought nearer to distance d/2, the rate and kinetic energy per photoelectron become nearly

Question # 14

With the propagation of a longitudinal wave through a material medium, the quantities transmitted in the propagation direction are

Question # 15

The sieman is the SI unit of

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    Zarrar Durrani 12 - Jul - 2024 12 Min 04 Sec 13/15
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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 As the electron in Bohr orbit of hydrogen atom passes from stat n = 2 to n = 1, the kinetic energy K and potential energy U change as
A. K two fold, U also two fold
B. K four fold, U also four fold
C. K four fold, U two fold
D. K two fold, U four fold
2 The angle between rectangular components of a vector is
A. 0°
B. 60°
C. 90°
D. 120°
3 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
A. Both the trajectories will be equally curved
B. The proton trajectory will be less curved than the electron trajectory
C. The electron trajectory will be less curved than the proton trajectory
D. The relative curving of the trajectories will be dependent on the value of the initial kinetic energy
4 A wire of radius r has resistance R, It it is stretched to a wire of r/2 radius, then the resistance becomes
A. 2R
B. 4R
C. 16R
D. Zero
5 What remains constant in the field of central force?
A. Potential energy
B. Kinetic energy
C. Angular momentum
D. Linear momentum
6 The fundamental unit which has same power in the dimensional formula of surface tension and viscosity is:
A. Mass
B. Length
C. Time
D. None
7 Blood has a density
A. Equal to water
B. Greater then water
C. Lesser then water
D. None of these
8 What will be the duration of the day and night (in hour) if the diameter of the earth is suddenly reduced to half its original value, the mass remaining constant?
A. 12
B. 6
C. 3
D. 2
9 Two electric bulbs of 200 W and 100 W have same voltage. If R1and R2be their resistance respectively then
A. R1=2R2
B. R2=2R1
C. R2=4R1
D. R1=4R2
10 When boron is added as an impurity to silicon, the resulting material is.
A. n type conductor
B. n type semiconductor
C. p-type conductor
D. p-type semiconductor

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  • Khalid Khan

    Khalid Khan

    28 Mar 2024

    paring scheme of mathh

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