
beeta falan (twarak bhautiki)

twarak bhautiki mein beeta falan nammatra kiran prakshepavakra key saath sthaan s parr kann kiran key anuprasth aakar seey sambandhit ack kaary haye.
yeh anuprasth kiran key aakar seey nimnanusar sambandhit haih
sootra _ 1
kahaan 
aam taur parr, alag-alag beeta karyon kaa upayog satah mein dou lambavat dishaaon key liye kiya jaataa haye joe beam kii disha mein anuprasth hotaa haye (ee.jee. kshaitij aur urdhvaadhar dishaaen).
beeta function corrent-snider maapdandon mein seey ack haye (jise twiss mapdand bhee kahaa jaataa haye).
beeta starr.
ack antahkriya bindu parr beeta falan key moolya koo beeta starr key roop mein sandarbhit kiya jaataa haye. 
beeta function koo aam taur parr aise binduon parr sthaaniya nyuntam honey key liye samaayojit kiya jaataa haye (taaki
beam key aakar koo cumm karein aur iss prakaar paraspar kriya darr koo adhikatam karein). yeh maanate hue kii yeh bindu haye 
ack drift space mein, koee yeh dikhaa sakata haye kii beeta function kaa vikas
nyuntam ank iss prakaar diyaa jaataa haih
jahan z nyuntam bindu seey nammatra beam disha key saath doori haye.
iska tatparya haye kii antahkriya mein beam kaa aakar jitna chhota hoga
bindu, jaba antahkriya bindu seey door jaataa haye tou beeta function (aur iss prakaar beam kaa aakar) kii vriddhi utani hii teji seey hoti haye.
vyavhaar mein, beam line tatvon kaa chhidra (ee.jee. paraspar kriya bindu key aspas chumbakon koo kendrit karna)
seemit karein kii kaise chhota beeta starr banaaya jaa sakata haye.

