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

  • Time Allowed20

Physics ICS Part 1 Chapter 9 Online Test

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Question # 1

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

Question # 2

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

Question # 3

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

Question # 4

Which can be used as unit of energy.

Question # 5

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 # 6

Electric flux is a

Question # 7

The electric field present inside ahollow charged sphere is.

Question # 8

1.6 x 10-19 J is always equal to.

Question # 9

The negative of potential gradient is.

Question # 10

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

Question # 11

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 # 12

Which of the following has a positive temperatur coeffiicent. 

Question # 13

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

Question # 14

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

Question # 15

Wheatstone bridge is used to measrue the unknown.

Question # 16

mho m-1 is the SI unit of.

Question # 17

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

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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

If the resistivity of a material is large then it is.

A.

Poor Conductor

B.

Conductor

C.

Good conductor

D.

Insulator

2

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

A.

Gold

B.

Silver

C.

Copper

D.

Aluminum

3

A heat sensitive resisstor is called.

A.

Thermistor

B.

Variable resistor

C.

Fixed resistor

D.

None

4

The reciprocal of resistance is known as .

A.

Conductance

B.

Reactance

C.

Conductivity

D.

Resistivity

5

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

A.

Different

B.

Same

C.

Zero

D.

Negative

6

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

A.

Both positive and negative charges are present

B.

Equal quantity of both positive and negative charges are present

C.

An electric dipole exists

D.

No electric ifeld line passes

7

Electric bulb does not obey Ohm's law becasue 

A.

Temperature changes

B.

Resistance changes

C.

Heat is prodcued

D.

All

8

Electric flux is a

A.

Scalar Quantitiy

B.

Vector Quantity

C.

Base Quantity

D.

None

9

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

A.

Parallel and equally spaced

B.

Converging

C.

Diverging

D.

Circular

10

For apositive charge electic field lines are directed.

A.

Towards charge

B.

Away from charge

C.

Botha a and b

D.

None

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