BSEB 12th Physics Model Paper 2023 PDF

INTEMEDIATE EXAMINATION – 2023 (ANNUAL) Sub Code - 117 Physics (ELECTIVE) HkkSfrd 'kkL= ¼,sfPNd½ I.Sc. (TH) Total no. of Questions : 70+20+6 = 96 Total no. of Printed Pag...

INTEMEDIATE EXAMINATION – 2023 (ANNUAL) Sub Code - 117 Physics (ELECTIVE) HkkSfrd 'kkL= ¼,sfPNd½ I.Sc. (TH) Total no. of Questions : 70+20+6 = 96 Total no. of Printed Pages: Time : 3 Hours 15 Minutes Full Marks : 70 Instructions to the Candidates : 1- ijh{kkFkhZ mÙkj i=d ij viuk iz’u iqfLrdk Øekad ¼10 vadksa dk½ vo’; fy[ksaA Candidate 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 answers in their own words as far as practicable. 3- nkfguh vksj gkf’k, ij fn;s gq, vad iw.kkZad fufnZ"V djrs gSaA Figures in the right hand margin indicate full marks. 4- iz’uksa dks /;kuiwoZd ik;saA 5 What is a biprism? Explain the measurement of wavelength of a monochromatic light using biprism. 22- lerqY; ysal D;k gSA ,d nwljs ls ‘d’nwjh ij j[ks nks irys ysalks ds fy, lerqY; Qksdl nwjh dk lw= LFkkfir djsaA 5 What is equivalent lens ? Establish the formula for equivalent focal length of two thin lenses separated by a distance ‘d’ 23- LoizsjdRo ,oa vU;ksU; izsj.k dks ifjHkkf"kr djsaA nks yEch lek{kh; ifjukfydkvksa dk vU;ksU; izsjdRo dk O;atd fudkysaA 5 Define self inductance and mutual inductance. Find an expression for mutual inductance of two co-axial solenoid. 24- lkbDyksVªkWu ds fl)kar ,oa dk;Z iz.kkyh dk lfp= o.kZu djsaA lkbDyksVªkWu vko`fr ds fy, O;atd izkIr djsaA 5 33  Explain the principle and working of cyclotron with the help of a neat diagram. Write the expression for cyclotron frequency. 25- ijek.kq ukfHkd dh lajpuk le>k;saA ijek.kq ukfHkd fo[kaMu rFkk ukfHkdh; lay;u esa varj crkosaA 5 Explain the constitution of atomic nucleus. Write difference between nuclear fission and nuclear fusion. 26- csyukdkj la/kkfj= dh /kkfjrk ds fy;s O;atd izkIr djsaA 5 Derive the expression for the capacity of a cylindrical capacitor. 34