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

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

Question # 2

Which of the following has a positive temperatur coeffiicent. 

Question # 3

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

Question # 4

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

Question # 5

When a dielectric material is placed in an electric field it

Question # 6

1.6 x 10-19 J is always equal to.

Question # 7

Electron -vold is a unit of.

Question # 8

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

Question # 9

The negative of potential gradient is.

Question # 10

SI Unit of EMF is.

Question # 11

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

Question # 12

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

Question # 13

Ohm's law can be expressed as.

Question # 14

Flux passing through a closed surface does not depend upon

Question # 15

If a resistor is traversed in the direction of current, the potential change is.

Question # 16

1.6 x 10-19  J is always equal to.

Question # 17

Value of K depends upon

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11th Class Physics Chapter 9 Test

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Sr.# Question Answer
1

The sum of currents in various resistors meeting at a point of the circuit.

A.

Equals to the total current

B.

Exceed the totla current

C.

Less than total current

D.

None of above

2

mho m-1 is the SI unit of.

A.

Conductance

B.

Conductivity

C.

Resistance

D.

Resistivity

3

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

A.

A maximum

B.

Infinite

C.

Minimum

D.

Remained the same

4

The negative of potential gradient is.

A.

Potential energy

B.

Electric field intensity

C.

Elelctromotive force

D.

Electrostataic force

5

Which of the following has a positive temperatur coeffiicent. 

A.

Iron

B.

Carbon

C.

Silicon

D.

Germanium

6

An electric field can deflect.

A.

Charge dparticles

B.

Neutrons

C.

X-rays

D.

Beta Rays

7

Concept of field lines of force was introduced 

A.

Faraday

B.

Coulomb

C.

Franklin

D.

Gauss

8

A heat sensitive resisstor is called.

A.

Thermistor

B.

Variable resistor

C.

Fixed resistor

D.

None

9

The reciprocal of resistance is known as .

A.

Conductance

B.

Reactance

C.

Conductivity

D.

Resistivity

10

The electric field created bypositive point charge is.

A.

Radially inward

B.

Radially outward

C.

Zero

D.

Cirular

11

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

A.

Positive

B.

Negative

C.

Zero

D.

Constant

12

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

13

If chargeis mvoed against the electric field, it will gain

A.

Potential energy

B.

Kinetic energy

C.

Electric potential energy

D.

Mechanical energy

14

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

A.

In motion 

B.

At rest

C.

Both a and b

D.

None 

15

Unti of electric intensity is.

A.

Vm-1

B.

NC-1

C.

Am-1

D.

Botha a and b

16

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

A.

Both positive and negative charges are present

B.

Equal quantity of both positive and negative charges are present

C.

An electric dipole exists

D.

No electric ifeld line passes

17

A uniform electric field is represented by a set of lines which are.

A.

Parallel and equally spaced

B.

Converging

C.

Diverging

D.

Circular

Test Questions

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