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AH-1109 CV-19-SB.Sc. (Part-!)Term End Examination, 2019-20PhysicsPaper-l
Time : Three Hoursl
[Maximum Marks:50
dz : srfi srq) d verq Afuq I ss{t A do' sf,S ErRfr frr etfu-o B rNote : Answer all questions. The figures in the right hand margin indicates marks.
{or{,zunit-t1. (a) ffiefrfutr q-cT fir aiqo qr< o't I 7Obtain expression for coriolis force.&) Er{ffs{ TsrE tFI rqqrq l.7XlO-27 fu.Jr. t I 6r{*ts{ eTg or sqr+d rowrFr Ekr 3o1fuq rMass of Hydrogen atom is t.lxt)'27Kg. Calculate reduced mass of Hydrogen molecule.sPrqyOr(a) Tm' frftq reTmer rieE a1 fra-fir dfuq t ZDiscuss one dimensional elastic collision.&) fuq of fu qt Nl d rsrceT rir{ d s-qf rerniilrrr ilq r6RrT +dr t, qq B-Tdrqqrq qrrcq *d t t 3Prove that in elastic collection of two bodies, the energy transfer is maximum when theirmasses are equal.gorl t Unit-ilz. ww enq-d .rfr frt qRlTrqr t r gfi' frfrq s{d qrqd .rfr qrT cltlcrrT vftfirq sr< of \q {frEf, ott roDefine simple harmonic motion. Obtain differential equation of one dimensional simpleharmonic motion and solve it.3Te[qyOrdfir6 dtmo. o1 qRlTrqr t r dfiro dffi d sTrqd olrT rDT aiq6 qrw of I 10Define compound pendulum. Obtain expression for time period of a compound pendulum.Wd / Unit-ur3. 2:l or5q-6 d Grqfr{ir of E} rrsn dq{E ew sTr+d .rmt d onqTtcrr o1 fuiqcr 6t r 10Discuss the superposition of two mutually perpendicular simple harmonic motions havingfrequency in the radio 2:1.sTQIqf/OrwilRd olrqd dfu{ 6 qfto-tur furq-fi{ Ed of gs snfiq i-jqrE o-r vrd qrq 6i t roWrite equation of forced harmonic oscillator and solve it. Obtain condition of amplituderesonance.Vor$rzunit-tv4. qr{f,filq qJ 645qe qq ord ffi or q'fr qn Eflfrt frqTd Tqr t? 10Describe the construction and working of cyclotron. What are its limitations?sIefqT/Ord':Tls fu-{q oq{fiff fr q4r+e \d o.rdhfu o.r quh otr gq-fr1 ErJr6-6dr dr qqsr{rtt roDescribe the construction and working of cathode ray oscilloscope. Explain its sensitivity.Eqr{r I Unit-V5. (a) qr{Efr oT sfrfi{ur qr$ oii I lObtain Poisenlle's Equation.(b) g6 S ftqq of fttqfl of r 3Explain Hook's law.sTeFn/Or1")rrftft d r+q qn fuqor fu ot t 7State and prove Bernoulli's Theorem.(b) rJE n-{rq 01 sTrrrF{fi. qrqr of I 3Explain molecular interpretation of surface Tension.
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