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

00:00
Question # 1

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

Question # 2

The negative of potential gradient is.

Question # 3

When a dielectric material is placed in an electric field it

Question # 4

The electric current may be caused due to.

Question # 5

Concept of field lines of force was introduced 

Question # 6

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

Question # 7

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

Question # 8

Range of electric force is.

Question # 9

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 # 10

A heat sensitive resisstor is called.

Question # 11

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

Question # 12

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

Question # 13

An electric field can deflect.

Question # 14

A potentiometer can be used as to.

Question # 15

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

Question # 16

1.6 x 10-19  J is always equal to.

Question # 17

Flux passing through a closed surface does not depend upon

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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

Ohm's law can be expressed as.

A.

I = VR

B.

R = IV

C.

V = RI

D.

V = I/R

2

Value of dielectric consgtant  e r for water is

A.

25

B.

78.5

C.

2.1

D.

3.40

3

When a dielectric material is placed in an electric field it

A.

Conducts

B.

Palarizes

C.

Magnetizes

D.

undergoes elecrolysis

4

Electric lines of force are.

A.

Real

B.

Imaginary

C.

Complex

D.

None of these

5

Concept of field lines of force was introduced 

A.

Faraday

B.

Coulomb

C.

Franklin

D.

Gauss

6

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

A.

Different

B.

Same

C.

Zero

D.

Negative

7

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

A.

Decrease

B.

Increase

C.

Zero

D.

Remain Constant

8

For apositive charge electic field lines are directed.

A.

Towards charge

B.

Away from charge

C.

Botha a and b

D.

None

9

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

A.

Gold

B.

Silver

C.

Copper

D.

Aluminum

10

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

Test Questions

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