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

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

Question # 2

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

Question # 3

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

Question # 4

Two point charges A and B separated by a distance R attract each other with a force of 12 x 10-3N. The force between A and B when the charges on them are doubled and distance is halved

Question # 5

In a simple harmonic motion (SHM), which of the following does not hold?

Question # 6

Which of the following is not thermo dynamical function?

Question # 7

How much water a pump of 2kW can raise in one minute to a height of 10 m, take g = 10 m/s2?

Question # 8

The length of a telescope is 36 cm. The focal lengths of its lenses can be

Question # 9

A pendulum clock set to give correct time in Karachi is taken to Quetta. It would give correct time if

Question # 10

If the earth were to rotate faster, than its present speed the weight of an object will

Question # 11

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

Question # 12

A bullet is shot from a rifle. As a result the rifle recoils. The kinetic energy of rifle as compared to that of bullet is

Question # 13

To explain his theory Bohr used

Question # 14

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

Question # 15

A motorist travels A to B at a speed at 40 km/h and returns at speed of 60 km/h. His average speed will be

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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 Who explained the origin of the Fraunhoffer lines?
A. Fraunhoffer
B. Kirchhoff
C. Fresnel
D. Snell
2 In case of p-n junction diode, at high value of reverse bias, the current rises sharply. The value of reverse bias is known as:
A. Cut off voltage
B. Zener voltage
C. Inverse voltage
D. Critical voltage
3 Mechanical waves on the surfaces of a liquid are
A. Transverse
B. Longitudinal
C. Torsional
D. both transverse and longitudinal
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 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
6 Which of the following is not thermo dynamical function?
A. Enthalpy
B. Work done
C. Gibb's energy
D. Internal energy
7 The number of translation degrees of freedom for a diatomic gas is
A. 2
B. 3
C. 5
D. 6
8 A prism splits a beam of white light into its seven constituent colors. This is so because
A. Phase of different colors is different
B. Amplitude of different colors is different
C. Energy of different colors is different
D. Velocity of different colors is different
9 Ultra-violet radiation of 6.2 eV falls on an aluminium surface. K.E. of fastest electron emitted is (Work function = 4.2 eV)
A. 3.2 x 10-21 J
B. 3.2 x 10-19 J
C. 7 x 10-25 J
D. 9 x 10-32 J
10 For obtaining appreciable extension, the wire should be
A. Short and thin
B. Long and thin
C. Short and thick
D. Long and thick

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