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

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

Question # 2

The SI unit of conductance is.

Question # 3

Electric flux is a

Question # 4

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

Question # 5

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

Question # 6

SI Unit of EMF is.

Question # 7

Gaussian surface is

Question # 8

The electric field created bypositive point charge is.

Question # 9

Which can be used as unit of energy.

Question # 10

Wheatstone bridge is used to measrue the unknown.

Question # 11

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

Question # 12

The electric resistance of a metal

Question # 13

For apositive charge electic field lines are directed.

Question # 14

Which electricla quantity has the same untis as electromotive force.

Question # 15

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

Question # 16

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.

Question # 17

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

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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

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

A.

CRO

B.

AVO Meter

C.

Botha CRO and AVO meter

D.

Potentiometer

2

The electric resistance of a metal

A.

Increase with the increase of temperature 

B.

Decrease with increase of temperature

C.

Indpendent of temperature

D.

Convert Mechanicla energy into heat energy

3

Gaussian surface is

A.

Imaginary

B.

Closed 

C.

Both a and b

D.

Real

4

Flux passing through a closed surface does not depend upon

A.

Geometry of surface

B.

Medium

C.

Charge

D.

All

5

Electric force as compared to gravitational force is.

A.

Very weak

B.

Very strong

C.

Moderately weak

D.

Infinite

6

The electric constnat of rubber is.

A.

2.94

B.

2

C.

2.1

D.

3.40

7

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

8

Which of the following has a positive temperatur coeffiicent. 

A.

Iron

B.

Carbon

C.

Silicon

D.

Germanium

9

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

10

The negative of potential gradient is.

A.

Potential energy

B.

Electric field intensity

C.

Elelctromotive force

D.

Electrostataic force

Test Questions