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

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

Question # 3

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

Question # 4

The electric field created bypositive point charge is.

Question # 5

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

Question # 6

The electric current may be caused due to.

Question # 7

Flux passing through a closed surface does not depend upon

Question # 8

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 # 9

Ohm's law can be expressed as.

Question # 10

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

Question # 11

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

Question # 12

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 # 13

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

Question # 14

Concept of field lines of force was introduced 

Question # 15

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

Question # 16

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

Question # 17

Whenever current is drawn from a cell, its terminal potential differecne and emf become.

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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

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

2

Range of electric force is.

A.

Small

B.

Large

C.

Medium

3

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

A.

Gold

B.

Silver

C.

Copper

D.

Aluminum

4

Whenever current is drawn from a cell, its terminal potential differecne and emf become.

A.

Different

B.

Same

C.

Zero

D.

Negative

5

mho m-1 is the SI unit of.

A.

Conductance

B.

Conductivity

C.

Resistance

D.

Resistivity

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

Unti of electric intensity is.

A.

Vm-1

B.

NC-1

C.

Am-1

D.

Botha a and b

8

Ohm's law can be expressed as.

A.

I = VR

B.

R = IV

C.

V = RI

D.

V = I/R

9

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

A.

Decreases

B.

Increases

C.

Vanishes

D.

Remain same

10

Which of the following has a positive temperatur coeffiicent. 

A.

Iron

B.

Carbon

C.

Silicon

D.

Germanium

Test Questions

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