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"

Try The MCQ's Test For Chapter 9 "Physics Fsc Part 1 Chapter 9 Online Test"

  • Total Questions17

  • Time Allowed20

Physics Fsc Part 1 Chapter 9 Online Test

00:00
Question # 1

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

Question # 2

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 # 3

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

Question # 4

Value of dielectric consgtant  e r for water is

Question # 5

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

Question # 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 

Question # 7

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

Question # 8

Which electricla quantity has the same untis as electromotive force.

Question # 9

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

Question # 10

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

Question # 11

Electron -vold is a unit of.

Question # 12

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

Question # 13

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

Question # 14

mho m-1 is the SI unit of.

Question # 15

A wheatstone bridge consts of ......resistors.

Question # 16

Specific resistanc of a conductor depends upon is.

Question # 17

The electric field created bypositive point charge is.

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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

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

2

mho m-1 is the SI unit of.

A.

Conductance

B.

Conductivity

C.

Resistance

D.

Resistivity

3

A heat sensitive resisstor is called.

A.

Thermistor

B.

Variable resistor

C.

Fixed resistor

D.

None

4

If chargeis mvoed against the electric field, it will gain

A.

Potential energy

B.

Kinetic energy

C.

Electric potential energy

D.

Mechanical energy

5

The reciprocal of resistance is known as .

A.

Conductance

B.

Reactance

C.

Conductivity

D.

Resistivity

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 current through a conductor is 3.0 a when it is attached across a pontntial difference of 6.0 V. How much power is used.

A.

18 W

B.

0.5 W

C.

0.2 W

D.

9.0 W

8

For apositive charge electic field lines are directed.

A.

Towards charge

B.

Away from charge

C.

Botha a and b

D.

None

9

The negative of potential gradient is.

A.

Potential energy

B.

Electric field intensity

C.

Elelctromotive force

D.

Electrostataic force

10

Unti of electric intensity is.

A.

Vm-1

B.

NC-1

C.

Am-1

D.

Botha a and b

Test Questions

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