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

  • Total Questions15

  • Time Allowed15

NAT II Physical Science Physics

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Question # 1

Steel is preferred for making springs over copper. Why?

Question # 2

Velocity of sound in a diatomic as is 300 m/sec, what is its rms velocity?

Question # 3

The volt/metre is the unit of:

Question # 4

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

Question # 5

To increase the magnification of a telescope

Question # 6

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

Question # 7

The contrast in the fringes in any interference pattern depends on

Question # 8

If yellow light emitted by sodium lamp in Young's double slit experiment is replaced by monochromatic blue light of the same intensity

Question # 9

The mass of a proton is 1847 times that of an electron. An electron and a proton are projected into a uniform electric field in a direction at right angles to the direction of the field with the same initial kinetic energy.The

Question # 10

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 # 11

How does the Young's modulus vary with the increase of temperature?

Question # 12

In an A.C. circuit, a resistance of R ohm is connected in series with an inductance L. If phase angle between voltage and current be 45°, the value of inductive reactance will be

Question # 13

At 0°K which of the following properties of a gas will be zero?

Question # 14

Which of the following is the only vector quantity?

Question # 15

Which of the following sources give discrete emission spectrum?

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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 When sound waves travel from air to water which of these remains constant?
A. Velocity
B. Frequency
C. Wavelength
D. All the above
2 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
3 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
4 A body moving in circular motion with constant speed has
A. Constant velocity
B. Constant acceleration
C. Constant kinetic energy
D. Constant displacement
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 The dimensional formula for the modulus of elasticity is same as that for:
A. Stress
B. Strain
C. Velocity
D. Surface tension
7 Which of the following is not thermo dynamical function?
A. Enthalpy
B. Work done
C. Gibb's energy
D. Internal energy
8 A conducting wire is drawn to double its length. Final resistivity of the material will be
A. Double of the original one
B. Half of the original one
C. One-fourth of the original one
D. Same as original one
9 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
A. 2n and 2E
B. 4n and 4E
C. 4n and E
D. N and 4E
10 To explain his theory Bohr used
A. Conservation of linear momentum
B. Conservation of angular momentum
C. Conservation of quantum frequency
D. Conservation of energy

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  • Khalid Khan

    Khalid Khan

    28 Mar 2024

    paring scheme of mathh

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