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

The frequency of the incident light falling on a photosensitive metal plate is doubled, the kinetic energy of the emitted photoelectrons is

Question # 2

In Which case does the potential energy decreases?

Question # 3

Who explained the origin of the Fraunhoffer lines?

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

Two sources of sound are said to be coherent if

Question # 6

A photoelectric cell coverts

Question # 7

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

Question # 8

One cannot see fog because

Question # 9

A wire is stretched to double of its length. The strain is

Question # 10

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

Question # 11

The contrast in the fringes in any interference pattern depends on

Question # 12

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

Question # 13

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

Question # 14

When the length of a microscope tube increases, its magnifying power

Question # 15

Light appears to travel in straight lines since

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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 If the dot product of two non-zero vectors vanishes, the vectors will be
A. In the same direction
B. Opposite to each other
C. Perpendicular to each other
D. Zero
2 To make the frequency double of an oscillator, we have to
A. Double the mass
B. Half the mass
C. Quadruple the mass
D. Reduce the mass to one fourth
3 Absolute temperature can be calculated by
A. Mean square velocity
B. Motion of the molecule
C. Both A and B
D. None of these
4 A moving charge will gain energy due to the application of
A. Electric field
B. Magnetic field
C. Both of these
D. None of these
5 The sieman is the SI unit of
A. Resistance
B. Specific Resistance
C. Conductance
D. Inductance
6 A force of 10N is acting along y-axis. Its component along x-axis is
A. 10N
B. 20N
C. 100N
D. Zero N
7 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
8 A couple produces
A. Purely linear motion
B. Purely rotational motion
C. Linear and rotational motion
D. No motion
9 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
10 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:
A. 0°
B. 30°
C. 60°
D. 90°

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