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

Flux passing through a closed surface does not depend upon

Question # 2

Which electricla quantity has the same untis as electromotive force.

Question # 3

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

Question # 4

Maximum power is delivered to a load when internal resistance of soruce is.

Question # 5

Electric flux is a

Question # 6

The SI unit of conductance is.

Question # 7

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

Question # 8

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

Question # 9

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

Question # 10

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

Question # 11

Two pont charges  A and B are separated by 10 m. If the distance between tehm is reduced to 5 m. the force exerted on each.

Question # 12

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

Question # 13

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

Question # 14

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 # 15

The electric current may be caused due to.

Question # 16

If chargeis mvoed against the electric field, it will gain

Question # 17

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

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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

Which electricla quantity has the same untis as electromotive force.

A.

Current

B.

Charge

C.

Potential Difference

D.

Power

2

For apositive charge electic field lines are directed.

A.

Towards charge

B.

Away from charge

C.

Botha a and b

D.

None

3

The electric field created bypositive point charge is.

A.

Radially inward

B.

Radially outward

C.

Zero

D.

Cirular

4

The reciprocal of resistance is known as .

A.

Conductance

B.

Reactance

C.

Conductivity

D.

Resistivity

5

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

6

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

A.

Energy

B.

Mass

C.

Momentum

D.

Charge

7

Ohm's law can be expressed as.

A.

I = VR

B.

R = IV

C.

V = RI

D.

V = I/R

8

Electric force as compared to gravitational force is.

A.

Very weak

B.

Very strong

C.

Moderately weak

D.

Infinite

9

Gaussian surface is

A.

Imaginary

B.

Closed 

C.

Both a and b

D.

Real

10

If chargeis mvoed against the electric field, it will gain

A.

Potential energy

B.

Kinetic energy

C.

Electric potential energy

D.

Mechanical energy

Test Questions

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