Lab_Mannual_Physics-13-14.doc

7/26/2019 Lab_Mannual_Physics-13-14.doc

1/13

SARDAR

PATEL

INSTITUTE OFTECHNOLOGY

APPLIED PHYSICS I

HANDBOOK

SEMESTER I

ACADEMIC YEAR 2013-2014


2/13

NAME OF THE STUDENT:DIVISION:

ROLL NUMBER:

LIST OF EXPERIMENTS

1) CHARACTERISTICS OF A LIGHT EMITTING DIODEPRACTICAL DATE: SIGNATURE:

2) MEASUREMENT OF ULTRASONIC VELOCITY

PRACTICAL DATE: SIGNATURE:

3) ULTRASONIC DISTANCE MEASURING UNIT


4) HALL EFFECT

2


3/13


EXPERIMENT NO. 1

CHARACTERISTICS OF A LIGHT EMITTING DIODE

AIM:Th !"# $% &h '()"#*& "+ &$ +&,. &h /h!)!/&)"+&"/+ $% !L"h& E#"&&"* D"$ LED

APPARATUS:A* LED ! 5"6$-$h# )+"+&$) ! /,))*& #&) 0-70 #A! 8$6&) 0-10 V !* 0-17 V / ),6!& ($9) +,((6.

THEORY:A L"h& E#"&&"* D"$ LED "+ ! +#"/$*,/&$) (-* ,*/&"$*8"/ &h!& "8+ $%% 6"h& 9h* "& "+ %$)9!) ;"!+


4/13

PROCEDURE:

1 Th /")/,"& "+ /$**/& !+ +h$9* "* "!)!# +,/h &h!& LED "+%$)9!) ;"!+

2 Th ($9) +,((6. 5*$; "+ 5(& "* #"*"#,# ($+"&"$* !* &h ($9)+,((6. "+ +9"&/h $*3 Th 8$6&! "+ 8!)" "* +,"&!;6 +&(+ !* &h /$))+($*"* /,))*&"+ *$& !* )/$) "* $;+)8!&"$* &!;64) A )!(h "+ (6$&& ,+"* &h !;$8 +& $% )!"*+

OBSERVATIONS:

OBS.NO.

FORWARDVOLTAGE

VF(!"#)

FORWARDCURRENT

IF($A)1

2

3

4

7

@

10

RESULTS:

1 Th LED /h!)!/&)"+&"/+ )+#;6 ! (-* ,*/&"$* "* %$)9!)/h!)!/&)"+&"/+2 Th 8$6&! !& 9h"/h /$*,/&"$* ;"*+ "+ 8$6&I& "+ &h /,& "* 8$6&! %$) &h 8"/3 Th 8$6&! !/)$++ &h LED )#!"*+ !6#$+& /$*+&!*& $*/ "& +&!)&+/$*,/&"*

4

1K50mA

LED

Voltmeter (10V)

Rs


5/13

EXPERIMENT NO. 2

MEASUREMENT OF ULTRASONIC VELOCITY

A%$:T$ &)#"* &h ,6&)!+$*"/ 86$/"&. "* 9!&)

A&&''#*:Th ,6&)!+$*"/ "*&)%)$#&) /$*+"+&+ $% &h %$66$9"* &9$(!)&+:1 Th h"h %),*/. *)!&$) !*2 Th #!+,)"* /66

THEORY:Th ()"*/"(6 ,+ "* &h #!+,)"* $% 86$/"&. 8 "+ ;!+

$* &h !//,)!& &)#"*!&"$* $% &h 9!86*&h "* &h #",#

U6&)!+$*"/ 9!8+ $% 5*$9* %),*/. % !) ()$,/ ;. ! ,!)& (6!&%"' !& &h ;$&&$# $% &h /66 Th+ 9!8+ !) )%6/& ;. ! #$8!;6#&!66"/ (6!& 5(& (!)!666 &$ &h ,!)& (6!& I% &h +(!)!&"$*;&9* &h+ &9$ (6!&+ "+ '!/&6. ! 9h$6 #,6&"(6 $% &h +$,*9!86*&h +&!*"* 9!8+ !) %$)# "* &h #",# Th"+ "+ !*!/$,+&"/ )+$*!*/ 9h"/h "8+ )"+ &$ !* 6/&)"/!6 )!/&"$* $* &h*)!&$) )"8"* &h ,!)& (6!& !* &h !*$ /,))*& $% &h*)!&$) ;/$#+ #!'"#,#

FORMULA:

V6$/"&. >

9h) > 2 > 2 *1 *

PROCEDURE:

1 Th #!+,)"* /66 "+ /$**/& &$ &h $,& (,& &)#"*!6 $% &h h"h%),*/. *)!&$) &h)$,h ! +h"6 /!;6 Th /66 "+ %"66 9"&h9!&) ;%$) +9"&/h"* $* &h *)!&$) Th ,6&)!+$*"/ 9!8+ #$8

*$)#!6 %)$# &h /).+&!6 &"66 &h. !) )%6/& ;!/5 %)$# &h #$8!;6

5


6/13

(6!& !* &h +&!*"* 9!8+ !) %$)# "* &h 9!&) ;&9* &h)%6/&"$* (6!& !* ,!)& /).+&!62 Th #"/)$#&) "+ +6$96. #$8 &"66 &h !*$ /,))*& #&) $* h"h%),*/. *)!&$) +h$9+ ! #!'"#,# I% &h "+&!*/ "+ *$9"*/)!+ $) /)!+ !* &h 8!)"!&"$* "+ '!/&6. ! h!6% $% 9!86*&h

2 !*$ /,))*& !!"* ;/$#+ #!'"#,# Th &$&!6 "+&!*/

&h,+ #$8 ;. &h #"/)$#&) "8+ &h 8!6, $% $* h!6% $% &h

9!86*&h N$& $9* !& 6!+& %$,) +,//++"8 )!"*+ $% &h#"/)$#&) %$) &h #!'"#,# !*$ /,))*& Th* %"* $,& &h 8!6, $%

3 Th 86$/"&. 8 "* 9!&) "+ /!6/,6!& ;. ,+"* &h !;$8 %$)#,6!

OBSERVATIONS:

1 L!+& /$,*& $% &h #"/)$#&) > ##2 F),*/. $% &h ,6&)!+$*"/ "*&)%)$#&) > MH

OBS.NO.

N!. !+ ',!-$'/%$$

M%0!$#'-%,(X $$)

- X,1 X,($$)

M', -($)

1

2

3

47

RESULT: Th 86$/"&. $% ,6&)!+$*"/ 9!8+ "* 9!&) "+#+/

6


7/13

7


8/13

EXPERIMENT NO. 3

ULTRASONIC DISTANCE MEASURING UNIT

AIM: T$ +&,. &h ,+ $% ,6&)!+$*"/ 9!8+ %$) &h +&"#!&"$* $%"+&!*/

APPARATUS:U6&)!+$*"/ "+&!*/ #!+,)"* ,*"& #&) +/!6

THEORY:Th *)!6 $()!&"$* $% &h 5"& "+ ;!+ $* 966 5*$9* J/h$+$,*"* ()"*/"(6 A* ,6&)!+$*"/ ;!# "+ ")/& $*&$ !* $;+&!/6%)$# 9h"/h "& "+ )%6/& ;!/5 Th &"# "*&)8!6 ;&9* +*"* !*)/"8"* &h (,6+ "+ #!+,) !* "+&!*/ $% $;+&!/6 "+ +&"#!&,+"* &h %$)#,6!:

D > 8& 2


9/13

OBSERVATIONS:

OBS.

NO.

ACTUALDISTANCEMEASURE

D(%,0560$)

DISTANCE MEASURED WITHULTRASONIC DISTANCE

MEASUREMENT 7IT (%,0560$)ACCURACY

(8)

D1 D2 D3 D4 D9 AVG D1

2

3

4

7

@

10

RESULT COMMENTS:

Th ()"*/"(6 $% "+&!*/ #!+,)#*& "+ +&," ,+"* &h "8*,6&)!+$*"/ 5"& Th 5"& "+ ,+ %$) +&"#!&"$* $% "+&!*/ I& "+ /!(!;6 $%+&"#!&"* "+&!*/ "* &h )!* $% 9"&h !* !//,)!/. $%

9


10/13

10


11/13

EXPERIMENT NO. 4

HALL EFFECT

AIM:

" T$ &)#"* &h H!66 /$%%"/"*& $% ! +#"/$*,/&$)

"" T$ &)#"* &h +"* $% #!$)"&. /!))")+ "* &h +#"/$*,/&$)

""" T$ &)#"* &h /$*/*&)!&"$* $% #!$)"&. /h!) /!))")+ !*

"8 T$ &)#"* &h #$;"6"&. $% &h #!$)"&. /h!) /!))")+ "* &h

#!&)"!6

APPARATUS: H!66 ()$; ! /$*+&!*& /,))*& ($9) +,((6. !*

6/&)$#!*& ! !,++ #&) !* #!+,)"* ,*"&

FORMULA:

1 Th H!66 /$%%"/"*& RH

RH>

1 $) ( > 1

Th #$;"6"&. $% /!))")+ "+ /!6/,6!& %)$#

> RH

G"8* > 01 S/#

PROCEDURE:

P'# I:M!+,)#*& $% #!*&"/ %"6

1 C$**/& 6/&)$#!*& 9"&h /$*+&!*& /,))*& ($9) +,((6. !*

+9"&/h "& $*2 C$**/& H!66 ()$; !* +9"&/h $* !,++ #&)3 K( H!66 ()$; ;&9* 6/&)$#!*& +,/h &h!& &h %6!& %!/ $% &h

()$; "+ 5(& ()(*"/,6!) &$ &h ")/&"$* $% #!*&"/ %"6 N$& &h

+&)*&h $% &h #!*&"/ %"6

11


12/13

4 I*/)!+ &h /,))*& !* *$& &h 8!6, $% /$))+($*"* #!*&"/

%"6

P'# II:M!+,)#*& $% H!66 8$6&!

1 S6/& &h ()$; /,))*& "+(6!. $% #!+,)"* ,*"&

2 S9"&/h $* &h #!+,)#*& ,*"& !* "*/)!+ ()$; /,))*& !* %"'"& !& 7 #A3 S6/& &h H!66 8$6&! "+(6!. %$) H!66 8$6&! #!+,)#*&4 Th) #!. ; +$# 8$6&! )!"* 8* $,&+" &h #!*&"/ %"6

/!66 J)$ %"6 ($&*&"!6 9"&h$,& H!66 ()$;7 N$9 (6!/ &h H!66 ()$; ;&9* #!*&"/ ($6+ M!+,) H!66 8$6&! %$) ;$&h +"+ $% ()$;

OBSERVATIONS:

P)$;/,))*

&

#A

M!*&"/ F"6

T+6!

)$%"6

P$&*&"!

6

$%%+&

8$6&!

H!668$6&!

%$) $*

+"

$% &h

()$;

9"&h

$%%+&

8$6&!

H!668$6&!

%$)

+/$*

+" $%

&h

()$;

9"&h

$%%+&

8$6&!

H!668$6&!

%$) $*

+" $%

&h

()$;

9"&h$,

& $%%+&

8$6&!

H!668$6&!

%$)

+/$*

+" $%

&h

()$;

9"&h$,

& $%%+&

8$6&!

M!*H!66

8$6&!

I B V)$ -

V)$

-

V)$

VH

>

CALCULATIONS:

1 RH >

2 * $) ( >

> #3

12


13/13

3 M$;"6"&. $% /h!) /!))")

> RH

> #2 8$6&-+/

RESULT:Th ($6!)"&. $% &h H!66 8$6&! "+ Th)%$) &h

"8* +#"/$*,/&$) "+ $% &.( Th 8!6, $% H!66 /$%%"/"*& "+

#3

C Th /$*/*&)!&"$* $% #!$)"&. /h!) /!))")+ "+ %$,* &$; #3 Th #$;"6"&. $% /h!) /!))")+ "+ %$,* &$ ;

#28$6&+/

SCHEMATIC OF HALL EFFECT SET UP

13

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Lab_Mannual_Physics-13-14.doc