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

According to classical theory the proposed circular path of an electron in Rutherford model of atom will be

Question # 2

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 # 3

A sun rise or sun set, the sun looks reddish because:

Question # 4

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 # 5

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?

Question # 6

A cable that can support a load W is cut into two equal parts. The maximum load that can be supported by either part is:

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

Steel is preferred for making springs over copper. Why?

Question # 9

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

Question # 10

When n-type of semiconductor is heated

Question # 11

Two sources of sound are said to be coherent if

Question # 12

The incorrect statement regarding the lines of force of the magnetic field B is

Question # 13

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

Question # 14

The magnetic moment of a circular coil carrying current is

Question # 15

The time period of a simple pendulum is 2 seconds. If its length is increased by 4 times, then its period becomes

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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 Planck's constant has the dimensions of:
A. Energy
B. Momentum
C. Frequency
D. Angular momentum
2 In which of the following states does the incandescent substance give continuous spectrum?
A. Vapours in atomic state
B. Vapours in molecular state
C. Solid or fluid in bulk state
D. Solid or fluid in plasma state
3 At a certain instant a stationary transverse wave is found to have maximum kinetic energy. The appearance of string of that instant is:
A. Sinusoidal shape with amplitude A/3
B. Sinusoidal shape with amplitude A/2
C. Sinusoidal shape with amplitude A
D. Straight line
4 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
5 According to classical theory the proposed circular path of an electron in Rutherford model of atom will be
A. Circular
B. Straight line
C. Parabolic
D. Spiral
6 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
7 The sieman is the SI unit of
A. Resistance
B. Specific Resistance
C. Conductance
D. Inductance
8 Which one of the following is a simple harmonic motion?
A. Wave moving through a string fixed at both ends
B. Earth spinning about its own axis
C. Ball bouncing between two rigid vertical walls
D. Particle moving in a circle with uniform speed
9 A point charge Q is placed at the mid-point of a line joining two charges, 4q and q. If the net force on charge q is zero, then Q must be equal to
A. -q
B. +q
C. -2q
D. +4q
10 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
A. 25 m
B. 35 m
C. 50 m
D. 85 m

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  • Khalid Khan

    Khalid Khan

    28 Mar 2024

    paring scheme of mathh

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