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

When a dielectric material is placed in an electric field it

Question # 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.

Question # 3

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

Question # 4

1.6 x 10-19  J is always equal to.

Question # 5

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

Question # 6

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

Question # 7

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

Question # 8

Concept of field lines of force was introduced 

Question # 9

1.6 x 10-19 J is always equal to.

Question # 10

Range of electric force is.

Question # 11

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

Question # 12

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

Question # 13

Value of dielectric consgtant  e r for water is

Question # 14

Electric bulb does not obey Ohm's law becasue 

Question # 15

A potentiometer can be used as to.

Question # 16

Value of K depends upon

Question # 17

Unti of electric intensity is.

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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

1.6 x 10-19  J is always equal to.

A.

1 farad

B.

1 coulomb

C.

Newton 

D.

Electron -volt

2

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

A.

Equals to the total current

B.

Exceed the totla current

C.

Less than total current

D.

None of above

3

The reciprocal of resistance is known as .

A.

Conductance

B.

Reactance

C.

Conductivity

D.

Resistivity

4

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

5

The electric field created bypositive point charge is.

A.

Radially inward

B.

Radially outward

C.

Zero

D.

Cirular

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

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

9

Value of dielectric consgtant  e r for water is

A.

25

B.

78.5

C.

2.1

D.

3.40

10

Electric force as compared to gravitational force is.

A.

Very weak

B.

Very strong

C.

Moderately weak

D.

Infinite

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