First Year Physics Chapter 9 Online MCQ Test for 1st Year Physics Chapter 9 (Physical Optics)


ICS Part 1 Physics
Chapter 9 Test

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MCQ's Test For Chapter 9 "Physics ICS Part 1 Chapter 9 Online Test"

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Physics ICS Part 1 Chapter 9 Online Test

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Question # 1

The electric constnat of rubber is.

Question # 2

The electric field created bypositive point charge is.

Question # 3

The potential gradient is a.

Question # 4

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

Question # 5

The negative of potential gradient is.

Question # 6

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

Question # 7

SI Unit of EMF is.

Question # 8

Electric flux is a

Question # 9

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

Question # 10

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

Question # 11

Concept of field lines of force was introduced 

Question # 12

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

Question # 13

If the vector area is parallel to the field lies, then electric flux is.

Question # 14

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

Question # 15

An electric field can deflect.

Question # 16

Which of the following has a positive temperatur coeffiicent. 

Question # 17

The electric resistance of a metal

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9th Chapter

11th Class ICS Physics Chapter 9 Test

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FSc Part 1 Physics (New Book) Chapter 9 Important MCQ's

Sr.# Question Answer
1

When a dielectric material is placed in an electric field it

A.

Conducts

B.

Palarizes

C.

Magnetizes

D.

undergoes elecrolysis

2

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.

A.

Decrease to half its original value

B.

Increase to twice the original value

C.

Increase four times to its original value

D.

Decreases to one quarer of its original value

3

Unti of electric intensity is.

A.

Vm-1

B.

NC-1

C.

Am-1

D.

Botha a and b

4

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

5

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 

6

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

7

Range of electric force is.

A.

Small

B.

Large

C.

Medium

8

Ohm's law can be expressed as.

A.

I = VR

B.

R = IV

C.

V = RI

D.

V = I/R

9

Which can be used as unit of energy.

A.

watt sec

B.

Nm-1

C.

VC-1

D.

VA

10

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

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