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

Gaussian surface is

Question # 2

A potentiometer can be used as to.

Question # 3

1.6 x 10-19 J is always equal to.

Question # 4

Unti of electric intensity is.

Question # 5

Which electricla quantity has the same untis as electromotive force.

Question # 6

1.6 x 10-19  J is always equal to.

Question # 7

SI Unit of EMF is.

Question # 8

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

Question # 9

The electric current may be caused due to.

Question # 10

The negative of potential gradient is.

Question # 11

Wheatstone bridge is used to measrue the unknown.

Question # 12

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

Question # 13

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

Question # 14

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 # 15

Flux passing through a closed surface does not depend upon

Question # 16

If chargeis mvoed against the electric field, it will gain

Question # 17

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

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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 SI unit of conductance is.

A.

mho -meter

B.

ohm

C.

mho

D.

moh meter

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

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

A.

A maximum

B.

Infinite

C.

Minimum

D.

Remained the same

4

For apositive charge electic field lines are directed.

A.

Towards charge

B.

Away from charge

C.

Botha a and b

D.

None

5

mho m-1 is the SI unit of.

A.

Conductance

B.

Conductivity

C.

Resistance

D.

Resistivity

6

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

A.

CRO

B.

AVO Meter

C.

Botha CRO and AVO meter

D.

Potentiometer

7

When a dielectric material is placed in an electric field it

A.

Conducts

B.

Palarizes

C.

Magnetizes

D.

undergoes elecrolysis

8

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

A.

Equals to the total current

B.

Exceed the totla current

C.

Less than total current

D.

None of above

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

Gaussian surface is

A.

Imaginary

B.

Closed 

C.

Both a and b

D.

Real

Test Questions

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