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

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 # 2

Electron -vold is a unit of.

Question # 3

Gaussian surface is

Question # 4

The electric field created bypositive point charge is.

Question # 5

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

Question # 6

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

Question # 7

Algebraic sum of current meeting at a point is zero is a statement of.

Question # 8

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

Question # 9

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

Question # 10

1.6 x 10-19  J is always equal to.

Question # 11

Electric flux is a

Question # 12

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

Question # 13

Flux passing through a closed surface does not depend upon

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

Question # 17

Ohm's law can be expressed as.

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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

Value of dielectric consgtant  e r for water is

A.

25

B.

78.5

C.

2.1

D.

3.40

2

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 

A.

R

B.

R/4

C.

R/2

D.

2R

3

Range of electric force is.

A.

Small

B.

Large

C.

Medium

4

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

A.

1.0 

B.

1.006

C.

78.5

D.

2.1

5

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

6

Which electricla quantity has the same untis as electromotive force.

A.

Current

B.

Charge

C.

Potential Difference

D.

Power

7

Electric lines of force are.

A.

Real

B.

Imaginary

C.

Complex

D.

None of these

8

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

A.

Less than load

B.

Equal the load resistance

C.

Greater than the load resistance

D.

Does not depend on load resistance

9

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

10

The negative of potential gradient is.

A.

Potential energy

B.

Electric field intensity

C.

Elelctromotive force

D.

Electrostataic force

Test Questions