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

Ohm's law can be expressed as.

Question # 2

A heat sensitive resisstor is called.

Question # 3

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

Question # 4

Range of electric force is.

Question # 5

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

Question # 6

The negative of potential gradient is.

Question # 7

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 # 8

The electric resistance of a metal

Question # 9

Electric force as compared to gravitational force is.

Question # 10

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

Question # 11

Which electricla quantity has the same untis as electromotive force.

Question # 12

1.6 x 10-19  J is always equal to.

Question # 13

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

Question # 14

The electric field created bypositive point charge is.

Question # 15

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 # 16

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

Question # 17

The electric current may be caused due to.

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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 chargeis mvoed against the electric field, it will gain

A.

Potential energy

B.

Kinetic energy

C.

Electric potential energy

D.

Mechanical energy

2

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

3

Specific resistanc of a conductor depends upon is.

A.

Matrial

B.

Length

C.

Area

4

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

A.

Decrease

B.

Increase

C.

Zero

D.

Remain Constant

5

When a dielectric material is placed in an electric field it

A.

Conducts

B.

Palarizes

C.

Magnetizes

D.

undergoes elecrolysis

6

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

A.

Larger than unity

B.

Less than unity

C.

Equal to unity

D.

Slightly less than unity

7

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

A.

1.0 

B.

1.006

C.

78.5

D.

2.1

8

Concept of field lines of force was introduced 

A.

Faraday

B.

Coulomb

C.

Franklin

D.

Gauss

9

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

A.

Positive

B.

Negative

C.

Zero

D.

Constant

10

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

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