117 Physics Past Paper PDF 2025

INTERMEDIATE EXAMINATION-2025 bUVjehfM,V ijh{kk&2025 ( ANNUAL / Okkf’kZd ) Subject:-PHYSICS ( Elective ) fo"k;%&HkkSfrd foKku ¼ ,fPNd ½ I.Sc. (Theory/lS)kfUrd) dqy ç”u :...

INTERMEDIATE EXAMINATION-2025 bUVjehfM,V ijh{kk&2025 ( ANNUAL / Okkf’kZd ) Subject:-PHYSICS ( Elective ) fo"k;%&HkkSfrd foKku ¼ ,fPNd ½ I.Sc. (Theory/lS)kfUrd) dqy ç”u : 70+20+6 = 96 fo’k; : 117 Subject Code : 117 Total Questions: 70+20+6 = 96 ¼le; : 3 ?kaVs 15 feuV½ ¼ iw.kkZad :70 ½ [Time : 3 Hours 15 Minutes] [Full Marks:70] ijh{kkfFkZ;ksa ds fy, funsZ'k% Instructions for the candidates: 1. ijh{kkFkhZ 𝑂𝑀𝑅 mÙkj&i=d ij viuk ç'u iqfLrdk Øekad ¼10 vadksa dk½ vo'; fy[ksaA Candidates must enter his/her Question Booklet Serial No. (10 Digits) in the OMR Answer Sheet. 2. ijh{kkFkhZ ;FkklaHko vius 'kCnksa esa gh mÙkj nsaA Candidates are required to give their answers in their own words as far as practicable. 3. nkfguh vksj gkf”k;s ij fn;s gq, vad iw.kkaZd fufnZ"V djrs gSaA Figures in the right hand margin indicate full marks. 4. ç'uksa dks /;kuiwoZd irs gSa\ 2 What do you mean understand by angular dispersion and dispersive power? 10.çdk'k esa M‚Iyj çHkko D;k gS\ 2 What is Doppler Effect in light? 11.nks ySai ls vkus okyk çdk'k O;ähdj.k mRiUu ugha dj ikrkA O;k[;k djsaA 2 Light coming from two lamps does not produce interference explain? 12.çdk'k&fo|qr lsy dh O;k[;k djsa A 2 Explain photoelectric cell. 13.ukfHkd dk ?kuRo ijek.kq ds ?kuRo ls vf/kd gksrk gS]D;ksa\ 2 Why density of nucleus is more than density of atom? 14.jsfM;ks,fDVo fo?kVu ,oa jsfM;ks,fDVo fo[kaMu esa vUrj Li"V djsaA 2 Explain difference between radioactive decay and radioactive disintegration. 15.dwykWEk dh çes; fy[ksA 2 Write down coulomb’s theorm. Page 24 of 26  16.yk¡ftd xsV fdls dgrs gSa\ 2 Which is logic gate? 17.QSDl D;k gS\ ;g nLrkost dk çs"k.k dSls djrk gS\ 1+1= 2 What is Fax? How it sends documents? 18.n'keyo la[;k 25 dks f}/kkjh la[;k esa ifjofrZr djsa A 2 Change decimal number 25 into binary number. 19.OR xsV dh lR;rk&rkfydk fy[ksaA 2 Write down truth table of OR gate. 20.gkbxsal ds rjax fl)kar dk o.kZu djsa A 2 Explain Huygen’s wave theory. nh?kZ mÙkjh; ç’u /Long Answer Type Question ç'u la[;k 21 ls 26 rd nh?kZ mÙkjh; gSA fdUgha 3 ç’uksa ds mÙkj nsaA çR;sd ds fy, 5 vad fu/kkZfjr gS% 𝟑 × 𝟓 = 𝟏𝟓 Question Nos. 21 to 26 are long Answer Type. Answer any 3 questions. Each question carries 5 marks. 3 × 5 = 15 21. xkWl dh çes; dks fy[ksa vkSj lR;kfir djsaA blds enn ls vkosf'kr&csyu ds ckgjh fcanq ij fo|qr&rhozrk ds fy;s O;atd çkIr djsaA 5 State and prove Gauss theorem. Obtain expression for electric intensity at a point outside a charged sphere with its help. 22. ck;ks&lkorZ fu;e fy[ksaA lh/ks rkj ls cgrh gqbZ /kkjk ds dkj.k fdlh fcanq ij pqacdh; {ks= ds fy;s O;atd çkIr djsaA 5 Write down Biot-Savart law. Obtain an expression for magnetic field near a straight wire carrying a current. 23. Vªk¡lQk¡eZj ds fl)kUr] cukoV ,oa fØ;kfof/k dk la{ksi esa o.kZu djsaA 5 Explain in short the principle, construction and working of transformer. Page 25 of 26 24. ,d la;qDr lw{en'khZ dh fØ;k le>k;sa rFkk blds vo)Zu {kerk ds fy;s O;atd izkIr djsaA 5 Explain working of a compound microscope and obtain expression for its magnifying power. 25. ;ax ds f}d&fNnz iz;ksx esa fÝat&pkSM+kbZ ds fy, O;atd çkIr djsaA 5 Obtain expression for fringe-width in the young’s double slit experiment. 26. v)Z pkyd D;k gS\ P&çdkj rFkk N&çdkj v)Zpkydksa ls D;k le>rs gSa\ 5 What is Semiconductor? what do you understand from P-type and N-type semi-conductor? Page 26 of 26