Transcript
FRONTLINE
LIGHT
An easy method to show the diffraction of light )$*+%,*%-!./%!012-%3455"!#-41+%,*%262!..7%*89$!: 64;*%-$46%9$*+18*+1+%!6%-794#!.%51"%!..%/4+36%15% ,!<*6=%)!<*6%+1"8!..7%-"!<*.%4+%6-"!4>$-%.4+*6?% 02-%45%-$*7%*+#12+-*"%!+%106-!#.*%1"%!%0!""4*"%-$*7% 0*+3%!"12+3%-$*%*3>*%!+3%69"*!3%4+-1%!%"*>41+% 0*$4+3%-$*%0!""4*"%,4-$%!+%4+-*+64-7%-$!-%3*#"*!6*6% !"
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FRONTLINE
wall
razor blade
laser
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!1
FRONTLINE
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U!V
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