Thu vien hinh anh Vat ly

⁄ low pressure high pressure curvature i, principal ue DEE air P= el ‹ -300Ì -200 — -100 0 100 MRE pressure h psn ý -273 °%C temperature 7 °C object L mercury density p same volume of f

coil rotated rotation

roduced

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Bi

(commutator) carbon

#t $2 (mm) 4 (cm) brushes

N S

solenoid

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current direction

Ors =

O

current

maximum forward

current

number

of turns

1 turn

maximum

reverse current

|-—Ds®

coil position

immersion

heater

t7iâ

thermometer

aluminum

block

tRʧ

lam MB Be 1n xi1

Rt

12V a.c

power

supply \

|

#18189

SBR

immersion heater

i thermomete

stirrer

Az

i 3B 7ï RAZA eddy currents

produce a force which opposes motion

=>

direction of movement

conducting blade moving in a magnetic field

S

magnet

WB‡S: 8⁄55]

`

Fis: Sia

i Pe BE

i

thumb: force (F) Rnes RE BS it

— ——

— P

— S —‡£h C —† vee

Ris ~ 43 ee ¬¬ a [Bl

a — > [p2

left og —

magnetic field (B)

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second finger:

current (1)

direction of heat flow

electron gun

tn camoce l anodes Y-plates X-plates

Ot 2 nữ a=

thumb: direction of field

fluorescent screen

deflection system

———~_

spot

Ỉ \ Ị Ỉ

electron beam

vaccum

Brae

At

HBA

/

fingers: direction of current

current

TẠ> Tp A and B in contact

heat

energy transfer stops when A and B are at the same temperature

experimental control

Ty

crushed ice

T;

T

0 ⁄⁄

“Z eo

Rete V — T T T T—

0

1/8 thermometer

pressure liquid

water bath EO Ooooooo0poooooooooo y KH ng

——ờ

dry air

volume V

x concave Z mirror ⁄

⁄

object Ya pole aa

` A ' centre of L ⁄ low pressure high pressure curvature i, principal ue

DEE air P= el ‹ -300Ì -200 — -100 0 100

MRE pressure h psn ý -273 °%C temperature 7 (°C)

object L mercury

(density p) same volume of fluid flows through enlarge) L virtual

all parts of the tube per second Lư image s

focus object

to vacuum pump

—

incipal f focal length l object „4 object real image

principal axis principal L

object

real image (diminished)

In vacuum,

coin and

feather fall lane converging lens

with the same optical centre focal length ` ¡

acceleration

object

SN principal

`

— 3x

principal axis virtual image (diminished)

pole

focus principal axis converging lens

focal rincipal ole p P

parallel beam =:

of light along Ea: principal principal axis axis

convex mirror focal'plane

liquid of

density p

normal reaction

friction

focus \ focus

\

(— converging lenses — )

principal focal length focus, |

parallel beam

of light along

!

focal (diverging lenses _ ]

plane diverging lens normal

reaction

humor pivot aqueous

humor retina concave lano- ,

pupil

lens fovea length/

`

el

NN SS

acce era lon due watt § (energy in simple harmonic motion) plane mirror image

to gravity g

longsighted distance from I

Vv focal length of equilibrium 1 -

lens too long converging lens I I | time

Solel potential Ị |

shortsighted

Ỳ focal length of - -

lens too short diverging lens S

distant

object

total I I I I (spring

endulum

spring

| \ constant k

! normal SE tt spring

|

4 i distance <a} ray incidence , reflection UY \

g= distance istance -

¬ /^a ⁄S (o mass m

period T

DX

mirror | AR BARTS CRD ABTS

AA

VÀ

velocity distance A + y

$ \ 0o — Tiến HN long at each end v=utat s=utt pat OOOO OOOKOOOOOOOMMOIOO spring N: node N N N N F sin 9

y2 =w? +28 >> —_> ~ > A: antinode A A

waves move along spring

t time

distance from equilibrium

‘ ' I I I

I I I I

I I I B

A and Bare in phase

I I

1

| : > I A

2 2 out of phase

1 Ị 1 Ị

ị PT phase by 90°

http://outreach.physics.utah.edu/javala bs/javal2/machine/act3/lab2.htm