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

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Question # 1

SI Unit of EMF is.

Question # 2

The potential gradient is a.

Question # 3

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

Question # 4

The vlaue of ralative parmittivity e r. for various dielectric is always.

Question # 5

Value of dielectric consgtant  e r for water is

Question # 6

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 # 7

The SI unit of conductance is.

Question # 8

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

Question # 9

Wheatstone bridge is used to measrue the unknown.

Question # 10

Electric force as compared to gravitational force 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

Value of K depends upon

Question # 13

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

Question # 14

Electron -vold is a unit of.

Question # 15

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

Question # 16

The electric field created bypositive point charge is.

Question # 17

If we move away from a charge, the magnitude of electric  intensity will

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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

The electric field created bypositive point charge is.

A.

Radially inward

B.

Radially outward

C.

Zero

D.

Cirular

2

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

3

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

A.

1.0 

B.

1.006

C.

78.5

D.

2.1

4

Current Electricity is the branch of physics which deals with electric charges.

A.

In motion 

B.

At rest

C.

Both a and b

D.

None 

5

The reciprocal of resistance is known as .

A.

Conductance

B.

Reactance

C.

Conductivity

D.

Resistivity

6

Value of dielectric consgtant  e r for water is

A.

25

B.

78.5

C.

2.1

D.

3.40

7

1.6 x 10-19 J is always equal to.

A.

1 farad

B.

Electron volt

C.

1 coulomb

D.

Coulomb

8

The Kirchhoff's 2nd rule is the manifestation of law of conservation of.

A.

Energy

B.

Mass

C.

Momentum

D.

Charge

9

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

10

The SI unit of conductance is.

A.

mho -meter

B.

ohm

C.

mho

D.

moh meter

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