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

Flux passing through a closed surface does not depend upon

Question # 3

Gaussian surface is

Question # 4

Unti of electric intensity is.

Question # 5

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

Question # 6

The electric constnat of rubber is.

Question # 7

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

Question # 8

Electric bulb does not obey Ohm's law becasue 

Question # 9

An electric field can deflect.

Question # 10

Which of the following has a positive temperatur coeffiicent. 

Question # 11

The redius of curvature of the path of a charged particle in a uniform magnetic field is directly proportiional to.

Question # 12

When a dielectric material is placed in an electric field it

Question # 13

The electric resistance of a metal

Question # 14

Range of electric force is.

Question # 15

1.6 x 10-19 J is always equal to.

Question # 16

A heat sensitive resisstor is called.

Question # 17

Current Electricity is the branch of physics which deals with electric charges.

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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

Electric flux is a

A.

Scalar Quantitiy

B.

Vector Quantity

C.

Base Quantity

D.

None

2

Gaussian surface is

A.

Imaginary

B.

Closed 

C.

Both a and b

D.

Real

3

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

A.

Metal Box

B.

Insulating box

C.

Wooden box

D.

None of these

4

If the source of e.m.f. is gtraversed from negative to positive termina, the potential change is.

A.

Positive

B.

Negative

C.

Zero

D.

Constant

5

Concept of field lines of force was introduced 

A.

Faraday

B.

Coulomb

C.

Franklin

D.

Gauss

6

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

7

The electric constnat of rubber is.

A.

2.94

B.

2

C.

2.1

D.

3.40

8

1.6 x 10-19  J is always equal to.

A.

1 farad

B.

1 coulomb

C.

Newton 

D.

Electron -volt

9

If the resistivity of a material is large then it is.

A.

Poor Conductor

B.

Conductor

C.

Good conductor

D.

Insulator

10

Unti of electric intensity is.

A.

Vm-1

B.

NC-1

C.

Am-1

D.

Botha a and b

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