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

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

Question # 2

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

Question # 3

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

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

The negative of potential gradient is.

Question # 7

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

Question # 8

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

Question # 9

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.

Question # 10

1.6 x 10-19 J is always equal to.

Question # 11

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 # 12

If chargeis mvoed against the electric field, it will gain

Question # 13

The electric resistance of a metal

Question # 14

The potential gradient is a.

Question # 15

An electric field can deflect.

Question # 16

Gaussian surface is

Question # 17

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

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9th Chapter

11th Class Physics Chapter 9 Test

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Sr.# Question Answer
1

Electric flux is a

A.

Scalar Quantitiy

B.

Vector Quantity

C.

Base Quantity

D.

None

2

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

3

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

A.

Energy

B.

Mass

C.

Momentum

D.

Charge

4

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

5

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

6

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

A.

potentiometer

B.

Wheatstone bridge

C.

Ammeter

D.

Voltmeter

7

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

8

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

9

The electric constnat of rubber is.

A.

2.94

B.

2

C.

2.1

D.

3.40

10

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

A.

0.1 V

B.

8 V

C.

2 V

D.

0.5 V

Test Questions

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