NAT IIP Physical Science Physics Preparation Online Test for Pakistani Students

MCQ's Test For NAT II Physical Science Physics

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NAT II Physical Science Physics

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Question # 1

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

Question # 2

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 # 3

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 # 4

Huygen's wave theory of light cannot explain

Question # 5

When boron is added as an impurity to silicon, the resulting material is.

Question # 6

Two sources of sound are said to be coherent if

Question # 7

According to the Hooke's law the force required to change the length of a wire by 'I' is proportional to

Question # 8

A converging lens is used to form an image on a screen. When the upper half of the lens is covered by an opaque screen

Question # 9

The dot product of two vectors is negative when

Question # 10

If a diamagnetic substance is brought near north or south pole of a bar magnet it is

Question # 11

A cable breaks if stretched by more than 2 mm. It is cut into two equal parts. How much either part can be stretched without breaking?

Question # 12

A p-n junction has a thickness of the order of:

Question # 13

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

Question # 14

The contrast in the fringes in any interference pattern depends on

Question # 15

In a Millikan's oil drop experiment the charge on an oil drop is calculated to be 6.35 x 10-19C. The number of excess electrons on the drop is

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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 The sieman is the SI unit of
A. Resistance
B. Specific Resistance
C. Conductance
D. Inductance
2 Which quantity is increased in step-down transformer?
A. Current
B. Voltage
C. Power
D. Frequency
3 The magnetic moment of a circular coil carrying current is
A. Directly proportional to the length of the wire in the coil
B. Inversely proportional to the length of the wire in the coil
C. Directly proportional to the square of the length of the wire in the coil
D. Inversely proportional to the square of the length of the wire in the coil
4 Boyle's law is applicable in
A. Isochoric process
B. Isothermal process
C. Isobaric process
D. Isotonic process
5 Which of the following is not thermo dynamical function?
A. Enthalpy
B. Work done
C. Gibb's energy
D. Internal energy
6 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
A. R/4
B. R/2
C. R
D. Cannot be found with the given data
7 Surface tension of water is due to
A. Inter molecular attractions
B. Intermolecular spaces
C. Inter molecular repulsion
D. None of above
8 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°
9 Centre of mass is a point
A. Which is geometric centre of a body
B. From which distance of particles are same
C. Where the whole mass of the body is supposed to be centered
D. Which is the origin of reference frame
10 The contrast in the fringes in any interference pattern depends on
A. Fringe width
B. Intensity ratio of the sources
C. Distance between the slits
D. Wavelength

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