UGC POINT LEADING INSTITUE FOR CSIR-JRF/NET, GATE & JAM. are the polar coordinates of P, then. 2 sec sec tan. m 2a m m r. f r.
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1 UGC POINT LEADING INSTITUE FOR CSIR-JRF/NET, GATE & JAM Solution (TEST SERIES ST PAPER) Dat: No 5. Lt a b th adius of cicl, dscibd by th aticl P in fig. if, a th ola coodinats of P, thn acos Diffntial quation of th obit is H, And hnc Now, d u u f d J u u u acos o sc u a du sc tan d a and du sc sc tan d a J u d u f u J u sc sc sc tan u d a Ju sc sc sc sc a J u sc J u 8J a..8 au. 5 a 8Ja Thus f. 5 o f 5 Thus th foc ais as th ins fifth ow of th distanc. In shical coodinats: h sin cos, y sin sin, z cos sin cos cos cos sin sin y sin sin cos sin sin cos z cos sin F K / V Fd V K / K / d L sin K / Thus, L T V y z V, y, z o L sin V,, Thfo, L o H L : Siilaly ( sin ) / H K and sin 7-G ND FLOOR, JIA SARAI, NEAR IIT, NEW DELHI- 6 Tl: -65, Mobs: , E-ail: info@ugcoint.in Wbsit:
2 H K / sin cosc H K /. Accoding to Liouilli s tho, th has olu occuid by a collction of syst ols, ains unchangd in agnitud und ti aluation. F K Ag a K Ag K Ag a Coa with a K Ag K Ag, f K A g K A g f / / 5. Potntial is gin by V Now ut a a a a ; dv..() d a a dv d Again diffntiat quation () d V a a V ''.() 5 d Now ut th alu of in quation V '' a a 5 a a a a a V " V " a a T T a 7-G ND FLOOR, JIA SARAI, NEAR IIT, NEW DELHI- 6 Tl: -65, Mobs: , E-ail: info@ugcoint.in Wbsit:
3 6. () 7. Fist w show that tansfoation is canonical q dq qd dq PdQ dq q / q d qd dq q dq qd q dq dq d d q This is fct diffntial so it is canonical tansfoation w ay wit th tansfoation quation as q Q tan q tan Q sc Q P sc Q; q tan Q o This fo suggsts itslf th fo of th gnating function F q F F q, P Q Intgating atially, w gt F q dq f Q Wh f is function of Q to b th dtind tan Qd f Q tan Qd f Q F Q Ealuat sc Q f ' Q f 'Q 8. () 9. (). (). (). (). (). () 5. () 6. () 7. () 8. () 9. (). (). (). (). Hints: Thus bd qd o bd qd., q sin d cos dq / q / / dq PdQ dq q cos q cos / q cos dq qsin d sin cos dq sin dq q cos d / / d q sin Which is act diffntial and hnc tansfoation is canonical 7-G ND FLOOR, JIA SARAI, NEAR IIT, NEW DELHI- 6 Tl: -65, Mobs: , E-ail: info@ugcoint.in Wbsit:
4 / Q / Q log q cos o q cos O 5. () / Q q cos Q o q / cos Fo this tansfoation, w tak F F Q F F q, Q F Q Thus cos O Q o F tan cosntant, Q F cos If th constant of intgation is zo Q F tanp 6. T T, T, T and T d T T G, o k cos dt i a z a z b z z V gz 7. L T V L a a b z z gz t iˆ i ˆj d tj ˆ dt V ˆ t j 8 t E 5iˆ 8ˆj ˆ ˆ ˆ L 5i 8 j 8 j 8ˆ i ˆj 8kˆ H q H q q q q q ; q q ; H q L ; L q H, so that 7-G ND FLOOR, JIA SARAI, NEAR IIT, NEW DELHI- 6 Tl: -65, Mobs: , E-ail: info@ugcoint.in Wbsit:
5 . qq q q q q qq q q qq q q q qq qq q qq q q qq q q qq q q dq q dt 8 I I I yy Izz 8 8 Ia Along th lin I 5. () h. W known that, E hc E So gbb hc Th g-facto cosonding to J = stat is, hc g B B hc B B. CG.6 c (). Th wa nubs cosonding to Raan lins a 75 c and 95 c c c If b th wa nub of th citing lin, and b th ibational Raan dislacnt thn 75 c and 95 c 75 c 95 c 9.5 c 7-G ND FLOOR, JIA SARAI, NEAR IIT, NEW DELHI- 6 Tl: -65, Mobs: , E-ail: info@ugcoint.in Wbsit:
6 This is sa as th ibational constant of th olcul HF, that is 9.5 c Hnc th ibational fquncy of th olcul is 9 c 9.5 c. c s osc. Hz 5. Lt b th locity of lcton (ass, chag ) oling in a Boh obit of hydogn ato Z of adius. Th condition of chanical stability of th lcton is 6. Th quantu condition is nh n =,, Ths tow quation gi nh and nh Th nub of aluation of th lcton in th obit scond is c f R c n h 8 h c n n Fo th n= stat th fquncy of aluation is Rc f Substituting th gin alu of R and th known alu of c, w gt f s 8. T Z s Fo Li and HZ, and sctily T Li 8 T H O H 8 T T 8.65 c 9.6 c Li 7. Th agntic ont of an ato is which LS couling holds has th agnitud J g J h g J J g J J B h Wh B is th Boh agnton and g is Land s g-facto gin by J J LL S S g JJ Fo th P stat, w ha L, S and J =, so that 7-G ND FLOOR, JIA SARAI, NEAR IIT, NEW DELHI- 6 Tl: -65, Mobs: , E-ail: info@ugcoint.in Wbsit:
7 g J B B 8. Th Dol half-intnsity badth in ts of walngth is gin by.66 c RT Wh R is unisal gas constant, T is Klin tatu and is atoic wight. Putting th gin alus w ha J / ol K 5K / s.99 Kg / ol a.a 9. Th wa nub of th adiation absobd in a otational tansition fo J to J+ is gin by B J Wh J fs to th low stat Fo a tansition fo J = to J =, w ha B But.68c gin O B.68 c B. c Again th wa nub of th adiation absobd in th tansition J =5 Gin by B J wh J fs to low stat B.68 c 5.c Th cosonding wa lngth is c. c. If I stands fo th hai isoto, thn O i i i In ts of walngth, w wit H And i 5 / / icon i.6 icon.8 icon. [ icon = c ].758 is 7-G ND FLOOR, JIA SARAI, NEAR IIT, NEW DELHI- 6 Tl: -65, Mobs: , E-ail: info@ugcoint.in Wbsit:
8 . Whn lctons acclatd though a otntial V stik a lagst, th aiu fquncy a (o iniu walngth in ) of th ittd X-ay hoton is gin by c V ha h Th iniu oltag fo.a X-ay hoton is hc V in in Js. s 9.6 C J / C. V. Th fin-stuctu lins of a band a sntd by ' " ' " B B B B Wh is th wa nub of th band-oigin (null-lin) and constants in th two stats inold in tansition. Coaing it with th gin quation, w gt 5798 c ' ".85 B B c ' ".68 B B c ' B and Th saation btwn th null-lin and th band-had is gin by had ' B B" B ' B ".85 c.68 c. Th oulation at of ll N is dn t Rdt N dt dn dt R/ N So ln R / N t constant Lt us assu that constant = K ln R / N t k Suos, t, N K ln R So quation () bcos as R/ N ln t R / R R t N N R t 5.5 c If all th atos ha a lif ti, thn " B a th otational 7-G ND FLOOR, JIA SARAI, NEAR IIT, NEW DELHI- 6 Tl: -65, Mobs: , E-ail: info@ugcoint.in Wbsit:
9 t/ Hnc N t R h P Thsold Thshold N Gin that P. ; s and. Pow thshold P thsold Choiu ions cubic cntit, h P thsold hc PThshold J 9 N Pow thshold PThshold. W.KW 5. () 6. () 7. () 8. Th aity of stat is dfind as wh, L is obital angula ontu of th stat fo ositi aity, th alu of obital angula ontu a L = and L =. Accoding to cto ato odl, th Total angula ontu is J L S... L S Fo L=, J= S= by J= L+S Fo L=, J = S= by J = L-S Hnc th o cobination fo L and S a L =, S = z and L =, S = 9. Sinc O C O ha no annt diol ont. Hnc it dos not show absotion lins but O C S has annt diol ont. Hnc it will show absotion lins. 5. () 7-G ND FLOOR, JIA SARAI, NEAR IIT, NEW DELHI- 6 Tl: -65, Mobs: , E-ail: info@ugcoint.in Wbsit:
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