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

A body of mass 2 kg is thrown up vertically with K.E. of 490 joules. If the acceleration due to gravity is 9.8 m/s2, the height at which the K.E, of the body becomes half its original value is given by:

Question # 2

In a voltmeter the conduction takes place due to

Question # 3

When we apply reverse bias to a junction diode, it

Question # 4

In which of the following states does the incandescent substance give continuous spectrum?

Question # 5

The motion without consideration of its cause is studied in

Question # 6

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:

Question # 7

A 220 V, 50 Hz. A.C. source is connected to an inductance of 0.2 H and a resistance of 20 ohm in series. What is the current in the circuit?

Question # 8

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 # 9

The dimensional formula for the modulus of elasticity is same as that for:

Question # 10

To increase the magnification of a telescope

Question # 11

The percentage errors in the measurements of mass and speed are 2% and 3% respectively. How much will be the maximum error in the estimate of the kinetic energy obtained by measuring mass and speed

Question # 12

A 2 kg body and a 3 kg body have equal momentum. If the kinetic energy of 3 kg body is 10 J, the KE of 2 kg body will be

Question # 13

If the amplitude of sound is doubled and the frequency reduced to one-fourth, the intensity of sound at the same point will be

Question # 14

Which of the following is the only vector quantity?

Question # 15

In which case application of angular velocity is useful?

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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 Which of the following lists of physical quantities consists only of vectors:
A. Time, temperature, velocity
B. Force, volume, momentum
C. Velocity, acceleration, mass
D. Force, acceleration, velocity
2 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
3 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?
A. 0.25 m
B. 0.5 m
C. 1 mm
D. 2 mm
4 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
5 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
6 In a simple harmonic motion the kinetic energy (KE) and the potential energy (PE), are such that throughout the motion
A. KE remains constant
B. PE remains constant
C. KE/PE is constant
D. KE+PE remains constant
7 When a hydrogen atom is bombarded, the atom is excited to the n = 4 state of hydrogen atom. The energy released when the atom falls from n = 4 state to the ground state is
A. 1.275 eV
B. 12.75 eV
C. 5 eV
D. 8 eV
8 A sun rise or sun set, the sun looks reddish because:
A. The sun is coldest at these times
B. Of the effects of reflection and refraction
C. The sun is hottest at these times
D. Of the scattering of light
9 Which one of the following phenomena is not explained by Hugen's construction of wavefront?
A. Refraction
B. Reflection
C. Diffraction
D. Origin of sepectra
10 The temperature at which the speed of sound becomes double as was at 27°C is
A. 273°C
B. 0°C
C. 927°C
D. 1027°C

Test Questions

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  • Khalid Khan

    Khalid Khan

    28 Mar 2024

    paring scheme of mathh

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