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

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

Question # 2

The negative of potential gradient is.

Question # 3

The electric field present inside ahollow charged sphere is.

Question # 4

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 # 5

The electric current may be caused due to.

Question # 6

Value of K depends upon

Question # 7

The reciprocal of resistance is known as .

Question # 8

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 # 9

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

Question # 10

Range of electric force is.

Question # 11

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

Question # 12

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

Question # 13

The electric field created bypositive point charge is.

Question # 14

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

Question # 15

SI Unit of EMF is.

Question # 16

1.6 x 10-19 J is always equal to.

Question # 17

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

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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

A heat sensitive resisstor is called.

A.

Thermistor

B.

Variable resistor

C.

Fixed resistor

D.

None

2

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

3

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

A.

Negative

B.

Positive

C.

Zero

D.

Infinite

4

For apositive charge electic field lines are directed.

A.

Towards charge

B.

Away from charge

C.

Botha a and b

D.

None

5

Gaussian surface is

A.

Imaginary

B.

Closed 

C.

Both a and b

D.

Real

6

Wheatstone bridge is used to measrue the unknown.

A.

Resistance

B.

Current

C.

Voltage

D.

None

7

Concept of field lines of force was introduced 

A.

Faraday

B.

Coulomb

C.

Franklin

D.

Gauss

8

1.6 x 10-19  J is always equal to.

A.

1 farad

B.

1 coulomb

C.

Newton 

D.

Electron -volt

9

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

10

Specific resistanc of a conductor depends upon is.

A.

Matrial

B.

Length

C.

Area

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