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

Unti of electric intensity is.

Question # 2

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

Question # 3

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

Question # 4

SI Unit of EMF is.

Question # 5

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

Question # 6

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 # 7

The electric field present inside ahollow charged sphere is.

Question # 8

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

Question # 9

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

Question # 10

Specific resistanc of a conductor depends upon is.

Question # 11

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

Question # 12

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 # 13

The negative of potential gradient is.

Question # 14

The potential gradient is a.

Question # 15

Value of dielectric consgtant  e r for water is

Question # 16

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

Question # 17

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

A heat sensitive resisstor is called.

A.

Thermistor

B.

Variable resistor

C.

Fixed resistor

D.

None

2

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

A.

Parallel and equally spaced

B.

Converging

C.

Diverging

D.

Circular

3

When a dielectric material is placed in an electric field it

A.

Conducts

B.

Palarizes

C.

Magnetizes

D.

undergoes elecrolysis

4

Which of the following has a positive temperatur coeffiicent. 

A.

Iron

B.

Carbon

C.

Silicon

D.

Germanium

5

1.6 x 10-19 J is always equal to.

A.

1 farad

B.

Electron volt

C.

1 coulomb

D.

Coulomb

6

A potentiometer can be used as to.

A.

Determine E.M.F. of a cell

B.

Campare e.em.f s.

C.

measrue accurate value of current

D.

All of above

7

The algebraic sum of potential chagnes for a complete circuit is zero it is the statement of.

A.

Ohm's law

B.

Gausss'slaw

C.

Kirchhoff's second law

D.

Kirhhoff's first law

8

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

9

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

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

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