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

1.6 x 10-19 J is always equal to.

Question # 2

When a dielectric material is placed in an electric field it

Question # 3

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

Question # 4

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

Question # 5

The vlaue of ralative parmittivity e r. for various dielectric is always.

Question # 6

The electric constnat of rubber is.

Question # 7

Range of electric force is.

Question # 8

The Kirchhoff's 2nd rule is the manifestation of law of conservation of.

Question # 9

Which electricla quantity has the same untis as electromotive force.

Question # 10

If the vector area is parallel to the field lies, then electric flux is.

Question # 11

Internal resistanc and e.m.f of a cell can be determined by an instrument.

Question # 12

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

Question # 13

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

Question # 14

Value of dielectric consgtant  e r for water is

Question # 15

The potential gradient is a.

Question # 16

The electric field present inside ahollow charged sphere is.

Question # 17

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

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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 Kirchhoff's first rule is the manifestation of law of conservation of.

A.

Mass

B.

Charge

C.

Momentum

D.

Energy

3

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

4

The negative of potential gradient is.

A.

Potential energy

B.

Electric field intensity

C.

Elelctromotive force

D.

Electrostataic force

5

For apositive charge electic field lines are directed.

A.

Towards charge

B.

Away from charge

C.

Botha a and b

D.

None

6

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

7

The electric current may be caused due to.

A.

Electrons

B.

Negative ions

C.

Positive Ions

D.

All

8

Electric bulb does not obey Ohm's law becasue 

A.

Temperature changes

B.

Resistance changes

C.

Heat is prodcued

D.

All

9

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

A.

The particle's charge

B.

The particle's momentum

C.

The partcl's energy

D.

The flux density of the field

10

The vlaue of ralative parmittivity e r. for various dielectric is always.

A.

Larger than unity

B.

Less than unity

C.

Equal to unity

D.

Slightly less than unity

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

    27 May 2017

    good job

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