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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  • Total Questions17

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Physics ICS Part 1 Chapter 9 Online Test

00:00
Question # 1

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

Question # 2

The relative permittivity of free speace has the value equal to.

Question # 3

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

Question # 4

Unti of electric intensity is.

Question # 5

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

Question # 6

Electric flux is a

Question # 7

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 # 8

Electron -vold is a unit of.

Question # 9

The electric constnat of rubber is.

Question # 10

In wheatstone bridge all the four arms have equal resistanc eR. If the resistance of galvanometer arm is also R the equivalent resistance of the combination 

Question # 11

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

Question # 12

The potential gradient is a.

Question # 13

1.6 x 10-19 J is always equal to.

Question # 14

Which electricla quantity has the same untis as electromotive force.

Question # 15

Nautral zone in electric field of two similar charge is region where.

Question # 16

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

Question # 17

Electric bulb does not obey Ohm's law becasue 

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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

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

A.

Gold

B.

Silver

C.

Copper

D.

Aluminum

2

Value of K depends upon

A.

System of unit

B.

Nature of medium

C.

Botha a and b

D.

None

3

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

4

Which of the following has a positive temperatur coeffiicent. 

A.

Iron

B.

Carbon

C.

Silicon

D.

Germanium

5

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

6

Which electricla quantity has the same untis as electromotive force.

A.

Current

B.

Charge

C.

Potential Difference

D.

Power

7

Wheatstone bridge is used to measrue the unknown.

A.

Resistance

B.

Current

C.

Voltage

D.

None

8

The relative permittivity of free speace has the value equal to.

A.

1.0 

B.

1.006

C.

78.5

D.

2.1

9

SI Unit of EMF is.

A.

Volt

B.

Joule

C.

Both a and b

D.

Farad

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

Test Questions

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