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

Electric force as compared to gravitational force is.

Question # 2

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

Question # 3

Unti of electric intensity is.

Question # 4

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

Question # 5

The electric field created bypositive point charge is.

Question # 6

Value of dielectric consgtant  e r for water is

Question # 7

For apositive charge electic field lines are directed.

Question # 8

The negative of potential gradient is.

Question # 9

On moving a charge of 20 Coulomb by 2 cm. 2 J of work is done, then the potential differecne between the points is.

Question # 10

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

Question # 11

The SI unit of conductance is.

Question # 12

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

Question # 13

Ohm's law can be expressed as.

Question # 14

A heat sensitive resisstor is called.

Question # 15

The best instrument used for teh acccurate measurement of e.m.g. of a cell is.

Question # 16

Electric lines of force are.

Question # 17

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

An electric field can deflect.

A.

Charge dparticles

B.

Neutrons

C.

X-rays

D.

Beta Rays

2

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

A.

Negative

B.

Positive

C.

Zero

D.

Infinite

3

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 

4

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

5

A potentiometer can be used as to.

A.

Determine E.M.F. of a cell

B.

Campare e.em.f s.

C.

measrue accurate value of current

D.

All of above

6

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

7

The negative of potential gradient is.

A.

Potential energy

B.

Electric field intensity

C.

Elelctromotive force

D.

Electrostataic force

8

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

A.

1.0 

B.

1.006

C.

78.5

D.

2.1

9

Value of dielectric consgtant  e r for water is

A.

25

B.

78.5

C.

2.1

D.

3.40

10

Which electricla quantity has the same untis as electromotive force.

A.

Current

B.

Charge

C.

Potential Difference

D.

Power

Test Questions

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