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

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

Question # 2

An object is placed at a distance of f/2 from a convex lens. The image will be

Question # 3

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

Question # 4

A charge Q is divided into two parts q and Q - q and separated by a distance R. The force of repulsion between them will be maximum when:

Question # 5

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

Question # 6

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

Question # 7

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 # 8

The structure of solids is investigated by using

Question # 9

A prism splits a beam of white light into its seven constituent colors. This is so because

Question # 10

What will be the ratio of the distance moved by a freely falling body from rest in 4th and 5th seconds of journey?

Question # 11

One cannot see fog because

Question # 12

Which of the following is a scalar quantity?

Question # 13

The angle between rectangular components of a vector is

Question # 14

Who explained the origin of the Fraunhoffer lines?

Question # 15

The unit of inductance is equivalent to

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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 A p-n junction has a thickness of the order of:
A. 1 cm
B. 1 mm
C. 10-6cm
D. 10-12cm
2 Bernoulli's equation is based upon law of conservation
A. Mass
B. Momentum
C. Energy
D. None of these
3 The dimensional formula of torque is:
A. [ML2T-2]
B. {MLT-2]
C. [ML-1T-2]
D. [ML-2T-2]
4 The force between two charges 0.06 m apart is 5 N. If each charge is moved towards the other by 0.01 m, then the force between them will become
A. 7.20 N
B. 11.25 N
C. 22.50 N
D. 45.00
5 How does the Young's modulus vary with the increase of temperature?
A. Decrease
B. Increases
C. Remains constant
D. First increases and then decreases
6 Which of the modulus of elasticity is involved in compression a rod to decrease its length?
A. Young's modulus
B. Bulk modulus
C. Modulus of rigidity
D. None of the above
7 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
8 In a common base transistor circuit, the current gain is 0.98. On changing the emitter current by 5.00 mA, the change in collector current is
A. 0.916 mA
B. 2.45 mA
C. 4.9 mA
D. 5.1 mA
9 When we apply reverse bias to a junction diode, it
A. Lowers the potential barrier
B. Raise the potential barrier
C. Increase the majority carrier current
D. Increase the minority carrier current
10 Ball pen function on the principle of
A. Viscosity
B. Boyle's law
C. Gravitational force
D. Surface tension

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