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 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 # 2

The potential gradient is a.

Question # 3

When a dielectric material is placed in an electric field it

Question # 4

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

Question # 5

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

Question # 6

A wheatstone bridge consts of ......resistors.

Question # 7

Current Electricity is the branch of physics which deals with electric charges.

Question # 8

The electric resistance of a metal

Question # 9

Which electricla quantity has the same untis as electromotive force.

Question # 10

Which of the following metal has the lowest value of temperature coefficient of resistivity.

Question # 11

The electric field present inside ahollow charged sphere is.

Question # 12

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

Question # 13

Electric lines of force are.

Question # 14

The electric constnat of rubber is.

Question # 15

Ohm's law can be expressed as.

Question # 16

Electric force as compared to gravitational force is.

Question # 17

Nautral zone in electric field of two similar charge is region where.

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9th Chapter

11th Class ICS Physics Chapter 9 Test

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Sr.# Question Answer
1

Value of dielectric consgtant  e r for water is

A.

25

B.

78.5

C.

2.1

D.

3.40

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

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

4

A wheatstone bridge consts of ......resistors.

A.

3

B.

4

C.

2

D.

5

5

1.6 x 10-19  J is always equal to.

A.

1 farad

B.

1 coulomb

C.

Newton 

D.

Electron -volt

6

Ohm's law can be expressed as.

A.

I = VR

B.

R = IV

C.

V = RI

D.

V = I/R

7

The negative of potential gradient is.

A.

Potential energy

B.

Electric field intensity

C.

Elelctromotive force

D.

Electrostataic force

8

Gaussian surface is

A.

Imaginary

B.

Closed 

C.

Both a and b

D.

Real

9

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

A.

Different

B.

Same

C.

Zero

D.

Negative

10

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

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