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

Steel is preferred for making springs over copper. Why?

Question # 2

A moving charge will gain energy due to the application of

Question # 3

A particle moving in a magnetic field has increase in its velocity, then its radius of the circle

Question # 4

Copper and germanium are cooled to 70K from room temperature, then

Question # 5

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 # 6

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

Question # 7

There are discrete energy levels in atoms. It was first experimentally demonstrated by

Question # 8

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 # 9

Bernoulli's equation is based upon law of conservation

Question # 10

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

Question # 11

A ten-ohm electric heater operates on a 110 V line. Calculate the rate at which it develops heat in watts:

Question # 12

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 # 13

A 50-volt battery is connected across 10-ohm resistor. The current is 4.5 A. The internal resistance of the battery is

Question # 14

The dimensional formula of torque is:

Question # 15

Which of the modulus of elasticity is involved in compression a rod to decrease its length?

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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 The henry is the unit for
A. Resistance
B. Magnetic flux
C. Magnetic field
D. Inductance
2 With the increase of temperature viscosity
A. Increase
B. Decrease
C. Remains same
D. Doubles
3 A particle moves along a circular path under the action of a force. The work done by the force is
A. Zero
B. Positive and non-zero
C. Negative and non zero
D. None of the above
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
A. 60 x 10-4cm
B. 10 x 10-4cm
C. 10 x 10-5cm
D. 6 x 10-5cm
5 A ten-ohm electric heater operates on a 110 V line. Calculate the rate at which it develops heat in watts:
A. 1310 W
B. 670 W
C. 810 W
D. 1210 W
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 Boyle's law is applicable in
A. Isochoric process
B. Isothermal process
C. Isobaric process
D. Isotonic process
9 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
10 The velocity of a particle at an instant is 10 m/s and after 5s the velocity of the particle is 20 m/s. The velocity 3s before in m/s is:
A. 8
B. 4
C. 6
D. 7

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