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 photocell with a constant p.d. of V volt across it illuminated by a point source from a distance of 25 cm. When the source is moved to a distance of 1m, the electrons emitted by the photocell

Question # 2

The number of turns in the primary coil of a transformer is 200 and the number of turns in the secondary coil is 10. If 240 volts ac are applied to the primary, the output the secondary will be

Question # 3

Surface tension of water is due to

Question # 4

The nucleus 6C12 absorbs an energetic neutron and emits a beta particle (β). The resulting nucleus is

Question # 5

When we apply reverse bias to a junction diode, it

Question # 6

The henry is the unit for

Question # 7

A (100 W, 200 V) bulb is connected to a 160 V power supply. The power consumption would be

Question # 8

A particle moves along a circular path under the action of a force. The work done by the force is

Question # 9

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

Question # 10

The sieman is the SI unit of

Question # 11

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

Question # 12

Mechanical waves on the surfaces of a liquid are

Question # 13

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 # 14

The frequency of the incident light falling on a photosensitive metal plate is doubled, the kinetic energy of the emitted photoelectrons is

Question # 15

The initial velocity of a body moving along a straight line in 7 m/s. It has a uniform acceleration of 4 m/s2. The distance covered by the body in the 5th second of its motion is

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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 The motion without consideration of its cause is studied in
A. Kinematics
B. Mechanics
C. Statics
D. Modern Physics
2 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
3 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
4 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
5 If the period of oscillation of mass (M) suspended from a spring is 2s, then the period of mass 4M will be
A. 1 s
B. 2 s
C. 3 s
D. 4 s
6 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
7 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
8 Copper and germanium are cooled to 70K from room temperature, then
A. Resistance of copper increases while that of germanium decreases
B. Resistance of copper decreases while that of germanium increases
C. Resistance of both decreases
D. Resistance of both increases
9 Huygen's wave theory of light cannot explain
A. Diffraction
B. Interference
C. Polarization
D. Photoelectric effect
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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  • Khalid Khan

    Khalid Khan

    28 Mar 2024

    paring scheme of mathh

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