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

A heat sensitive resisstor is called.

Question # 2

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 # 3

A potentiometer can be used as to.

Question # 4

Electric force as compared to gravitational force is.

Question # 5

1.6 x 10-19 J is always equal to.

Question # 6

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

Question # 7

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

Question # 8

Wheatstone bridge is used to measrue the unknown.

Question # 9

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

Question # 10

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

Question # 11

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

Question # 12

The electric field present inside ahollow charged sphere is.

Question # 13

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 # 14

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

Question # 15

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

Question # 16

Gaussian surface is

Question # 17

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

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9th Chapter

11th Class ICS Physics Chapter 9 Test

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FSc Part 1 Class Physics (New Book) Chapter 9 Important MCQ's

Sr.# Question Answer
1

mho m-1 is the SI unit of.

A.

Conductance

B.

Conductivity

C.

Resistance

D.

Resistivity

2

Wheatstone bridge is used to measrue the unknown.

A.

Resistance

B.

Current

C.

Voltage

D.

None

3

Which of the following has a positive temperatur coeffiicent. 

A.

Iron

B.

Carbon

C.

Silicon

D.

Germanium

4

The electric field present inside ahollow charged sphere is.

A.

Zero

B.

Maximum

C.

Constant

D.

Variable

5

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

A.

3

B.

4

C.

2

D.

5

6

Electric lines of force are.

A.

Real

B.

Imaginary

C.

Complex

D.

None of these

7

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

A.

The particle's charge

B.

The particle's momentum

C.

The partcl's energy

D.

The flux density of the field

8

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

A.

Parallel and equally spaced

B.

Converging

C.

Diverging

D.

Circular

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.

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

10

Value of dielectric consgtant  e r for water is

A.

25

B.

78.5

C.

2.1

D.

3.40

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