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

Question # 2

For apositive charge electic field lines are directed.

Question # 3

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

Question # 4

The SI unit of conductance is.

Question # 5

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 # 6

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

Question # 7

Electric bulb does not obey Ohm's law becasue 

Question # 8

1.6 x 10-19  J is always equal to.

Question # 9

Value of dielectric consgtant  e r for water is

Question # 10

If chargeis mvoed against the electric field, it will gain

Question # 11

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

Question # 12

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

Question # 13

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

Question # 14

Electric force as compared to gravitational force is.

Question # 15

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

Question # 16

The reciprocal of resistance is known as .

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

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FSc Part 1 Physics (New Book) Chapter 9 Important MCQ's

Sr.# Question Answer
1

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

2

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.

A.

18 W

B.

0.5 W

C.

0.2 W

D.

9.0 W

3

Flux passing through a closed surface does not depend upon

A.

Geometry of surface

B.

Medium

C.

Charge

D.

All

4

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

A.

Different

B.

Same

C.

Zero

D.

Negative

5

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

6

The best instrument used for teh acccurate measurement of e.m.g. of a cell is.

A.

potentiometer

B.

Wheatstone bridge

C.

Ammeter

D.

Voltmeter

7

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

A.

The radius of the sphere

B.

Quantity of charge

C.

The intensity of the electric field

D.

All of the above

8

Electric bulb does not obey Ohm's law becasue 

A.

Temperature changes

B.

Resistance changes

C.

Heat is prodcued

D.

All

9

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

A.

Energy

B.

Mass

C.

Momentum

D.

Charge

10

Range of electric force is.

A.

Small

B.

Large

C.

Medium

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