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

Start Physics Ch. 9 Test

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

For apositive charge electic field lines are directed.

Question # 2

The potential gradient is a.

Question # 3

The algebraic sum of potential chagnes for a complete circuit is zero it is the statement of.

Question # 4

A heat sensitive resisstor is called.

Question # 5

Electric force as compared to gravitational force is.

Question # 6

The electric current may be caused due to.

Question # 7

Electric flux is a

Question # 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 

Question # 9

1.6 x 10-19 J is always equal to.

Question # 10

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

Question # 11

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

Question # 12

Value of dielectric consgtant  e r for water is

Question # 13

The electric resistance of a metal

Question # 14

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

Question # 15

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

Question # 16

Wheatstone bridge is used to measrue the unknown.

Question # 17

Electric lines of force are.

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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

SI Unit of EMF is.

A.

Volt

B.

Joule

C.

Both a and b

D.

Farad

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

When a dielectric material is placed in an electric field it

A.

Conducts

B.

Palarizes

C.

Magnetizes

D.

undergoes elecrolysis

4

Which of the following metal has the lowest value of temperature coefficient of resistivity.

A.

Gold

B.

Silver

C.

Copper

D.

Aluminum

5

Two pont charges  A and B are separated by 10 m. If the distance between tehm is reduced to 5 m. the force exerted on each.

A.

Decrease to half its original value

B.

Increase to twice the original value

C.

Increase four times to its original value

D.

Decreases to one quarer of its original value

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

Which electricla quantity has the same untis as electromotive force.

A.

Current

B.

Charge

C.

Potential Difference

D.

Power

8

Wheatstone bridge is used to measrue the unknown.

A.

Resistance

B.

Current

C.

Voltage

D.

None

9

The algebraic sum of potential chagnes for a complete circuit is zero it is the statement of.

A.

Ohm's law

B.

Gausss'slaw

C.

Kirchhoff's second law

D.

Kirhhoff's first law

10

Electric force as compared to gravitational force is.

A.

Very weak

B.

Very strong

C.

Moderately weak

D.

Infinite

Test Questions

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