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

00:00
Question # 1

The contrast in the fringes in any interference pattern depends on

Question # 2

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 # 3

Which of the following four statement is false?

Question # 4

The part of a transistor which is heavily doped to produce large number of majority carriers is

Question # 5

Steel is preferred for making springs over copper. Why?

Question # 6

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

Question # 7

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

Question # 8

A lens behaves as a converging lens in air and a diverging lens in water. The refractive index of the material is

Question # 9

If the period of oscillation of mass (M) suspended from a spring is 2s, then the period of mass 4M will be

Question # 10

A monochromatic source of light is placed at a large distance d from a metal surface. Photoelectrons are ejected at rate n, kinetic energy being E. If the source is brought nearer to distance d/2, the rate and kinetic energy per photoelectron become nearly

Question # 11

The time period of a simple pendulum is 2 seconds. If its length is increased by 4 times, then its period becomes

Question # 12

Centre of mass is a point

Question # 13

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

Question # 14

The sum of the magnitude of two forces acting at a point is 18 and the magnitude of their resultant is 12. If the resultant is at 90°with the force of the smaller magnitude, then their magnitudes are:

Question # 15

The dimensional formula of torque is:

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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 A fly is sitting on the objective of a telescope pointed towards the moon.
What effect is expected on the photography of the moon taken through the telescope?
A. The entire of view blocked
B. There is an image of the fly on the photography
C. There is no effect at all
D. There is a reduction in the intensity of the image
2 Which of the following is the only vector quantity?
A. Temperature
B. Energy
C. Power
D. Momentum
3 What remains constant in the field of central force?
A. Potential energy
B. Kinetic energy
C. Angular momentum
D. Linear momentum
4 Which of the following particles would experience the largest magnetic force when projected with the same velocity perpendicular to a magnetic field?
A. Proton
B. Electron
C. He+
D. Li+
5 A person standing near the track of a fast moving train has tendency to fall towards it because of
A. Vibration due to motion of train
B. Gravitation force of attraction between person and trains
C. The high speed of train
D. Some other effect
6 A man pushes a wall but fails to displace it. He does:
A. Negative work
B. Maximum positive work
C. Positive work but not maximum
D. No work
7 Quantity that remains unchanged in a transformer is
A. Voltage
B. Current
C. Frequency
D. None of these
8 The half-life of a radio-isotope is 5 years. The fraction of atoms decayed in this substance after 15 years will be
A. 1
B. 3/4
C. 7/8
D. 5/8
9 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
10 A 50-volt battery is connected across 10-ohm resistor. The current is 4.5 A. The internal resistance of the battery is
A. Zero
B. 0.5 ohm
C. 1.1 ohm
D. 5.0 ohm

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  • Khalid Khan

    Khalid Khan

    28 Mar 2024

    paring scheme of mathh

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