First Year Physics Chapter 9 Online MCQ Test for 1st Year Physics Chapter 9 (Physical Optics)


This online test contains MCQs about following topics:

Wave Fronts - Huygen's principle - Interferance of Light Waves - Young's Double slit Experiment - Interference in Thin Films - Newton's Rings - Michelson's Interferometer - Diffraction of Light - Diffraction due to a Narrow slit - Diffraction Grating - Diffraction of X-Rays by Crystals - Polarization

FSC Part 1 Physics Ch. 9 Test

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MCQ's Test For Chapter 9 "Physics Fsc Part 1 Chapter 9 Online Test"

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  • Total Questions17

  • Time Allowed20

Physics Fsc Part 1 Chapter 9 Online Test

00:00
Question # 1

The potential gradient is a.

Question # 2

The relative permittivity of free speace has the value equal to.

Question # 3

The electric resistance of a metal

Question # 4

A potentiometer can be used as to.

Question # 5

When a dielectric material is placed in an electric field it

Question # 6

Gaussian surface is

Question # 7

Nautral zone in electric field of two similar charge is region where.

Question # 8

Wheatstone bridge is used to measrue the unknown.

Question # 9

Whenever current is drawn from a cell, its terminal potential differecne and emf become.

Question # 10

Electric force as compared to gravitational force is.

Question # 11

Concept of field lines of force was introduced 

Question # 12

A positive charge is placed at the center of sphere of radius r, then the electric flux depends upon 

Question # 13

To eliminate stray electric field interference, circuits of sensitive electonic devices are enclosed in.

Question # 14

An electric field can deflect.

Question # 15

Which can be used as unit of energy.

Question # 16

If we move away from a charge, the magnitude of electric  intensity will

Question # 17

Value of K depends upon

Prepare Complete Set Wise Chapter 9 "Physics Fsc Part 1 Chapter 9 Online Test" MCQs Online With Answers


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9th Chapter

11th Class Physics Chapter 9 Test

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FSc Part 1 Physics (New Book) Chapter 9 Important MCQ's

Sr.# Question Answer
1

Wheatstone bridge is used to measrue the unknown.

A.

Resistance

B.

Current

C.

Voltage

D.

None

2

The relative permittivity of free speace has the value equal to.

A.

1.0 

B.

1.006

C.

78.5

D.

2.1

3

Concept of field lines of force was introduced 

A.

Faraday

B.

Coulomb

C.

Franklin

D.

Gauss

4

Algebraic sum of current meeting at a point is zero is a statement of.

A.

Kirchhoff's 1st law

B.

Faraday's law

C.

Ampere's law

D.

None

5

Unti of electric intensity is.

A.

Vm-1

B.

NC-1

C.

Am-1

D.

Botha a and b

6

If air is replaced  by any other dielectic medium the fore of attraction or repulsion between two charges.

A.

Decreases

B.

Increases

C.

Vanishes

D.

Remain same

7

Maximum power is delivered to a load when internal resistance of soruce is.

A.

Less than load

B.

Equal the load resistance

C.

Greater than the load resistance

D.

Does not depend on load resistance

8

In wheatstone bridge all the four arms have equal resistanc eR. If the resistance of galvanometer arm is also R the equivalent resistance of the combination 

A.

R

B.

R/4

C.

R/2

D.

2R

9

The electric current may be caused due to.

A.

Electrons

B.

Negative ions

C.

Positive Ions

D.

All

10

Ohm's law can be expressed as.

A.

I = VR

B.

R = IV

C.

V = RI

D.

V = I/R

Test Questions

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  • zainab nawaz

    zainab nawaz

    08 Apr 2018

    great !!!!

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  • Fatima

    Fatima

    01 Dec 2017

    Idk

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  • ALI HAMZA

    ALI HAMZA

    27 May 2017

    good job

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