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

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

Question # 2

The algebraic sum of potential chagnes for a complete circuit is zero it is the statement of.

Question # 3

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

Question # 4

Electric force as compared to gravitational force is.

Question # 5

Electric lines of force are.

Question # 6

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

Question # 7

Flux passing through a closed surface does not depend upon

Question # 8

Value of K depends upon

Question # 9

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

Question # 10

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

Question # 11

Wheatstone bridge is used to measrue the unknown.

Question # 12

The reciprocal of resistance is known as .

Question # 13

The electric resistance of a metal

Question # 14

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

Question # 15

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

Question # 16

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

Question # 17

Electric bulb does not obey Ohm's law becasue 

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Sr.# Question Answer
1

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

A.

The particle's charge

B.

The particle's momentum

C.

The partcl's energy

D.

The flux density of the field

2

The electric field created bypositive point charge is.

A.

Radially inward

B.

Radially outward

C.

Zero

D.

Cirular

3

The electric current may be caused due to.

A.

Electrons

B.

Negative ions

C.

Positive Ions

D.

All

4

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

5

A uniform electric field is represented by a set of lines which are.

A.

Parallel and equally spaced

B.

Converging

C.

Diverging

D.

Circular

6

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

A.

1.0 

B.

1.006

C.

78.5

D.

2.1

7

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

8

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

9

Electric force as compared to gravitational force is.

A.

Very weak

B.

Very strong

C.

Moderately weak

D.

Infinite

10

Which can be used as unit of energy.

A.

watt sec

B.

Nm-1

C.

VC-1

D.

VA

11

A heat sensitive resisstor is called.

A.

Thermistor

B.

Variable resistor

C.

Fixed resistor

D.

None

12

Which electricla quantity has the same untis as electromotive force.

A.

Current

B.

Charge

C.

Potential Difference

D.

Power

13

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

14

If chargeis mvoed against the electric field, it will gain

A.

Potential energy

B.

Kinetic energy

C.

Electric potential energy

D.

Mechanical energy

15

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

A.

Positive

B.

Negative

C.

Zero

D.

Constant

16

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 

17

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

A.

Mass

B.

Charge

C.

Momentum

D.

Energy

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