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 contrast in the fringes in any interference pattern depends on

Question # 2

The unit of electric current 'ampere' is the amount of current flowing through each of two parallel wires 1 m apart and of infinite length will give rise to a force between them equal to

Question # 3

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

Question # 4

The angle between rectangular components of a vector is

Question # 5

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

Question # 6

Which of the following is a scalar quantity?

Question # 7

A man pushes a wall but fails to displace it. He does:

Question # 8

In which region of electromagnetic spectrum does the Lyman series of hydrogen atom lie

Question # 9

A person standing near the track of a fast moving train has tendency to fall towards it because of

Question # 10

For obtaining appreciable extension, the wire should be

Question # 11

To explain his theory Bohr used

Question # 12

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 # 13

A boy is dropped from a tower with zero velocity, reaches ground in 4s. The height of the tower is about

Question # 14

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

Question # 15

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

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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 Surface tension of water is due to
A. Inter molecular attractions
B. Intermolecular spaces
C. Inter molecular repulsion
D. None of above
2 An ideal choked (used along with fluorescent tube) would be
A. A pure resistor
B. A pure capacitor
C. A pure inductor
D. A combination of an inductor and a capacitor
3 The smooth or steady stream-line flow is know as
A. Laminar flow
B. Turbulent flow
C. Both a and b
D. None of the above
4 In which region of electromagnetic spectrum does the Lyman series of hydrogen atom lie
A. Ultraviolet
B. Infrared
C. Visible
D. X-ray
5 What will be the ratio of the distance moved by a freely falling body from rest in 4th and 5th seconds of journey?
A. 4 : 5
B. 7 : 9
C. 16 : 25
D. 1 : 1
6 The dot product of two vectors is negative when
A. They are parallel vectors
B. They are anti-parallel vectors
C. They are perpendicular vectors
D. None of the above is correct
7 Which of the following is the only vector quantity?
A. Temperature
B. Energy
C. Power
D. Momentum
8 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
9 Angular momentum is
A. Vector (axial)
B. Vector (polar)
C. Scalar
D. None of these
10 At constant volume temperature is increased. Then
A. Collision on walls will be less
B. Number of collisions per unit time will increase
C. Collisions will be in straight lines
D. Collisions will not change

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