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64 m kj izns'k jktf"kZ V.Mu eqDr fo'ofo|ky;] bykgkckn
64 m kj izns'k jktf"kZ V.Mu eqDr fo'ofo|ky;] bykgkckn 64 m kj izns'k jktf"kZ V.Mu eqDr fo'ofo|ky;] bykgkckn
8 525 m kj izns’k jktf"kZ V.Mu eqDr fo’ofo|ky;] bykgkckn vf/kU;kl (Assignment) 2012-2013 Lukrd foKku dk;Z e …ch-,l-lh-‰ Bachelor of Science Programme (B.Sc.) fo"k; % HkkSfrd foKku fo"k; dksM % ;w-th-ih-,p-,l- Subject : Physics Subject Code : UGPHS dkslZ ’kh"kZd % dkslZ dksM % ;w-th-ih-,p-,l--07 Subject Title : Optics Course Code : UGPHS-07 Section - A [k.M & v vf/kdre vad % 30 Maximum Marks : 30 vf/kdre vad % 18 Maximum Marks : 18 uksV % nhkZ m kjh; iz’uA vius iz’uksa ds m kj 800 ls 1000 ’kCnksa esa fy[ksaA lHkh iz’u vfuok;Z gSaA Note : Long Answer Question. Answer should be given in 800 to 1000 words. Answer all questions. All questions are compulsory. 1. Define cardinal points in a lens system. Derive an expression for the focal length of a lens combination of two co-axial thin leaves separated by a distance. 6 ,d ysUl fudk; esa iz/kku fcUnqvksa dh ifjHkk"kk nhft,A dqN nwjh ij j[ks nks ,d v{kh; irys ysUlksa ds Qksdl nwjh ds fy, O;atd Kkr dhft,A 2. Describe Newton's ring method to determine the warelength of monochromatic light. How will you use this experiment to measure the refractive index of a liquid 6 ,d o.khZ; izdk’k dh rjax nSgS;Z Kkr djus gsrq U;wVu fjax fof/k dk o.kZu dhft,A vki bl iz;ksx }kjk nzo dk viorZu lwpdkad dSls Kkr djsaxsA 3. Discuss Raybeigh's criterion for the limit of resolution. Derive the expression for resolving power for a prism. 6 foHksn lhek dks jSys dlkSVh dh foospuk dhft,] fizTe ds fy, foHksnu {kerk lw=k dh O;qRif k dhft,A Section - B [k.M & c vf/kdre vad % 12 Maximum Marks : 12 uksV % ykq m kjh; iz’uA vius iz’uksa ds m kj 200 ls 300 ’kCnksa esa fy[ksaA lHkh iz’u vfuok;Z gSaA Note : Short Answer Question. Answer should be given in 200 to 300 words. Answer all questions. All questions are compulsory. 4. Obtain Intensity distribution for fraunhoffer for diffraction at a single slit. 3 fdlh ,dy js[kkfp=k ij kmugksij foorZu esa rhozrk dk forj.k Qyu fudkfy;sA 5. Give the theory of Rownald circle for concave grating. Explain how normal spectrum is obtained in Rownald wounting. 3 vory xzsfVax ds fy, jkSySaM o‘ k dk fl)kUr nhft,A Li"V dhft, fd jksySaM ekbfUVax ea ukeZy LisDV“e dSls izkIr gksrk gSA 6. Describe the construction of a Nicol prism and explain how it can be used as polarizer and analyser. 3 fudky fizTe dh jpuk dh O;k[;k dhft, rFkk le.kb, dh bldk /kzqod ,oa fo’ys"kd dh rjg dSls iz;ksx fd;k tkrk gSA 7. What is population inversion. Draw schematic energy level diagram and explasin laser action in He - Ne laser. 3 tula[;k foyksiu D;k gSA O;nfLFkr ¯tkZ Lrj fp=kakdu djds He-Ne Laser (yslj) esa f ;k le>kb,A ¾¾¾¾¾¾
9 526 m kj izns’k jktf"kZ V.Mu eqDr fo’ofo|ky;] bykgkckn vf/kU;kl (Assignment) 2012-2013 Lukrd foKku dk;Z e …ch-,l-lh-‰ Bachelor of Science Programme (B.Sc.) fo"k; % HkkSfrd foKku fo"k; dksM % ;w-th-ih-,p-,l- Subject : Physics Subject Code : UGPHS dkslZ ’kh"kZd % dkslZ dksM % ;w-th-ih-,p-,l--08 Subject Title : Mordern Physics Course Code : UGPHS-08 Section - A [k.M & v vf/kdre vad % 30 Maximum Marks : 30 vf/kdre vad % 18 Maximum Marks : 18 uksV % nhkZ m kjh; iz’uA vius iz’uksa ds m kj 800 ls 1000 ’kCnksa esa fy[ksaA lHkh iz’u vfuok;Z gSaA Note : Long Answer Question. Answer should be given in 800 to 1000 words. Answer all questions. All questions are compulsory. 1. What is cyclotron Describe its construction, working and applications. 6 lkbDyksV“ku D;k gksrk gSA bldh lajpuk] dk;Zfof/k ,oa mi;ksxksa dk o.kZu dhft,A 2. State postulates of special theory of relativity. Establish law of addition of velocities and variation of mass with velocity. 6 vkisf{kdrk ds fof’k"V fl)kUr dh ifjdYiukvksa dk mYys[k dhft,A osxksa ds ;ksx dk fu;e ,oa nzO;eku dk osx ds lkFk ifjorZu LFkkfir dhft,A 3. State the fundamental equation of wave mechanics. Deduce it in (i) the time dependent, (ii) the time independent and (iii) the operator form. 6 rjax ;kaf=kdh ds ewy lehdj.k dks mYysf[kr dhft,A bldks (i) leku ij fuHkZj (ii) le; ls LorU=k rFkk (iii) vkijsVj :i esa fuxfer dhft,A Section - B [k.M & c vf/kdre vad % 12 Maximum Marks : 12 uksV % ykq m kjh; iz’uA vius iz’uksa ds m kj 200 ls 300 ’kCnksa esa fy[ksaA lHkh iz’u vfuok;Z gSaA Note : Short Answer Question. Answer should be given in 200 to 300 words. Answer all questions. All questions are compulsory. 4. State and derive Mosleys law related with characteristic X-rays. 3 vfHkyk{kf.kd ,Dl fdj.kksa ls lEcfU/kr ekslys ds fu;e dks mfYyf[kr rFkk fuxfer dhft,A 5. Explain the phenominon of nuclear fission and nuclear fusion on the basis of the binding energy curve. 3 cU/ku ¯tkZ o dh lgk;rk es aukfHkdh; fo[k.Mu rFkk ufHkdh; lay;u dh kVukvksa dks Li"V dhft,A 6. Define phase velocity and group velocity of waves. Deduce the relationship between them. 3 dykosx vkSj lewg osx dh ifjHkkf"kr dhft,A buds chp lEcU/k fuxfer dhft,A 7. What is µ - decay Explain qualitativelyhow µ-decay can be understood on the basis of quantum mechanical tunnel effect. 3 Vuy izHkko D;k gksrk gSA xq.kkRed fooj.k }kjk le>kb;s fd µ - {k; dks DokaVe Vuy izHkko }kjk fdl izdkj le>k tk ldrk gSA ¾¾¾¾¾
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9<br />
526<br />
m <strong>kj</strong> izns’k jktf"<strong>kZ</strong> V.<strong>Mu</strong> <strong>eqDr</strong> fo’ofo|ky;] <strong>bykgkckn</strong><br />
vf/kU;kl (Assignment) 2012-2013<br />
Lukrd foKku dk;Z e …ch-,l-lh-‰<br />
Bachelor of Science Programme (B.Sc.)<br />
fo"k; % HkkSfrd foKku fo"k; dksM % ;w-th-ih-,p-,l-<br />
Subject : Physics Subject Code : UGPHS<br />
dkslZ ’kh"<strong>kZ</strong>d % dkslZ dksM % ;w-th-ih-,p-,l--08<br />
Subject Title : Mordern Physics Course Code : UGPHS-08<br />
Section - A<br />
[k.M & v<br />
vf/kdre vad % 30<br />
Maximum Marks : 30<br />
vf/kdre vad % 18<br />
Maximum Marks : 18<br />
uksV % nh<strong>kZ</strong> m <strong>kj</strong>h; iz’uA vius iz’uksa ds m <strong>kj</strong> 800 ls 1000 ’kCnksa esa fy[ksaA lHkh<br />
iz’u vfuok;Z gSaA<br />
Note : Long Answer Question. Answer should be given in 800 to 1000 words.<br />
Answer all questions. All questions are compulsory.<br />
1. What is cyclotron Describe its construction, working and applications.<br />
6<br />
lkbDyksV“ku D;k gksrk gSA bldh lajpuk] dk;Zfof/k ,oa mi;ksxksa dk o.<strong>kZ</strong>u<br />
dhft,A<br />
2. State postulates of special theory of relativity. Establish law of addition<br />
of velocities and variation of mass with velocity. 6<br />
vkisf{kdrk ds fof’k"V fl)kUr dh ifjdYiukvksa dk mYys[k dhft,A osxksa<br />
ds ;ksx dk fu;e ,oa nzO;eku dk osx ds lkFk ifjorZu LFkkfir dhft,A<br />
3. State the fundamental equation of wave mechanics. Deduce it in (i) the<br />
time dependent, (ii) the time independent and (iii) the operator form. 6<br />
rjax ;kaf=kdh ds ewy lehdj.k dks mYysf[kr dhft,A bldks (i) leku<br />
ij fuH<strong>kZ</strong>j (ii) le; ls LorU=k rFkk (iii) vkijsVj :i esa fuxfer dhft,A<br />
Section - B<br />
[k.M & c<br />
vf/kdre vad % 12<br />
Maximum Marks : 12<br />
uksV % ykq m <strong>kj</strong>h; iz’uA vius iz’uksa ds m <strong>kj</strong> 200 ls 300 ’kCnksa esa fy[ksaA lHkh<br />
iz’u vfuok;Z gSaA<br />
Note : Short Answer Question. Answer should be given in 200 to 300 words.<br />
Answer all questions. All questions are compulsory.<br />
4. State and derive Mosleys law related with characteristic X-rays. 3<br />
vfHkyk{kf.kd ,Dl fdj.kksa ls lEcfU/kr ekslys ds fu;e dks mfYyf[kr<br />
rFkk fuxfer dhft,A<br />
5. Explain the phenominon of nuclear fission and nuclear fusion on the<br />
basis of the binding energy curve. 3<br />
cU/ku ¯t<strong>kZ</strong> o dh lgk;rk es aukfHkdh; fo[k.<strong>Mu</strong> rFkk ufHkdh; lay;u<br />
dh kVukvksa dks Li"V dhft,A<br />
6. Define phase velocity and group velocity of waves. Deduce the<br />
relationship between them. 3<br />
dykosx vkSj lewg osx dh ifjHkkf"kr dhft,A buds chp lEcU/k fuxfer<br />
dhft,A<br />
7. What is µ - decay Explain qualitativelyhow µ-decay can be<br />
understood on the basis of quantum mechanical tunnel effect. 3<br />
Vuy izHkko D;k gksrk gSA xq.kkRed fooj.k }<strong>kj</strong>k le>kb;s fd<br />
µ - {k; dks DokaVe Vuy izHkko }<strong>kj</strong>k fdl izd<strong>kj</strong> le>k tk ldrk gSA<br />
¾¾¾¾¾
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