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

Wheatstone bridge is used to measrue the unknown.

Question # 2

1.6 x 10-19 J is always equal to.

Question # 3

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

Question # 4

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

Question # 5

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

Question # 6

Range of electric force is.

Question # 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.

Question # 8

Gaussian surface is

Question # 9

The negative of potential gradient is.

Question # 10

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

Question # 11

For apositive charge electic field lines are directed.

Question # 12

The reciprocal of resistance is known as .

Question # 13

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

Question # 14

Which can be used as unit of energy.

Question # 15

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

Question # 16

The SI unit of conductance is.

Question # 17

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

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

A.

Negative

B.

Positive

C.

Zero

D.

Infinite

2

Wheatstone bridge is used to measrue the unknown.

A.

Resistance

B.

Current

C.

Voltage

D.

None

3

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

A.

Metal Box

B.

Insulating box

C.

Wooden box

D.

None of these

4

mho m-1 is the SI unit of.

A.

Conductance

B.

Conductivity

C.

Resistance

D.

Resistivity

5

Electron -vold is a unit of.

B.

Energy

C.

Potential

D.

Capacitance

6

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

7

The SI unit of conductance is.

A.

mho -meter

B.

ohm

C.

mho

D.

moh meter

8

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

9

Unti of electric intensity is.

A.

Vm-1

B.

NC-1

C.

Am-1

D.

Botha a and b

10

Which can be used as unit of energy.

A.

watt sec

B.

Nm-1

C.

VC-1

D.

VA

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