|NSEAUTE OL ENGINEERING Level MI 1 cri Eamination Conta! Division Programe 6 Pass Marks 12 029 Whar (Yew {Part 1/1 Vine Su E Subject Applied Physics (S11 80) =e Cade ane reste ve heir Angers in their awn words as Fits patie Attempt questions The figures nthe margin nutcote Ball Marks sane smal daa (Precessary 1. Write dow the differences between X= ray radiograpy ani ray radiography. Also discuss in (7 wick magnetic pact inspection for nneseetive testing psy cuss abo principle, working. atid eonstretion of GM counter Also write down its Aimitaions (5 on ~axticles of energy’ § Mew pass throug an fonzaton chamber at the rate of 10 per see Assuming all the energy’ is used in prodcing ion pairs, calculate the wren! produced. ev is required for prodeing anion pai and e=1,6+ 10" “do you mean by monoebromatie aberration? Diseuss about the eause and reduction of of fick (4 ‘he consinetion and working of photovoltaic cell. Write some applications of : € tt oo » building can be eased hy sing this instrument ce on eet da jou avai by enision of raiaon? Wie sone cmracatitics of spontanenss and simulated emission of aition, 6 tn Bainbridge mass spectrograph the magnetic field inthe velocity selector i 1.0 T and the 2 fons ving the peed of 410" pass through i undefected 3) Wiha shouldbe the electric Fe between the plates? : by) tf ele separation ofthe plates is 0.5 em, what isthe pal between the plates? is 7. What is meen by NMR? Derive an expression for resonance frequency ws ZS} VeFine snd esplain the terms pss voxels grey scale and nage compression a Effect and piezo-electric effet, Also write any six applications ‘9. Discuss in brief ahout Moss cof Mossbauer Fest. 9 Sip. ves remote sensing, What is irowave? Explain its use in remote sensing ro) J 1}. What is SPECT? How does it work? Explain its applications. i) i, What are nanoparicles and nanotubes? Mention any ss plieatons of carb nanotube ra) Herinls. Also define the terms int VF 13,Dillerentiate between soft and tard magnetic: mi inagutization aud permeanee: Ke OR fof S00 tums and carrying damp cotent is Sem Tons. Caleuae We pe csroe consis ff ews seston 5,008", Assi the 4) magneto nvotive force and (i) total Mux iF aven edu is 5 fTeremt types of curve iting i 1 What scurve fing? Explain ll al 15. Szte and rove Lamba nw forthe absorption of ra ti am at 1200°C is suspended ina enclose at 00°C Find te aoe eos Mata blach ody Giver Stefan’s constant =57° heat of ypphere ssi ig it 0 ehave at 60% of bla dy ere i) sepstem'sec berE ation Control Division + O72 Kartik, Programme | Wal Fags Marks Veor) tare | 11/1 Time Vw Suject. - Applied Physics (s11s00 ¥ Candidates m ¥ eainived to give their angwers in theit evn words asf Ws prreticnte Aten ell questions Ail questions carry equal marks salts ¥ Assume suitable data ifnecessary. h ee 1. What do you mean by non-destneti ical ind spor sia poe ese cu ew Xr vetlel "section methods cm be se for non-lesivetive et Mogens x ee wire collects 10° electrons per discharge. When the counting rate js 500 uterine whe wl fe he nvermge erent inthe ruit? Take change ofan elect Sera ate TE ene lle ee on € Discuss how enerpetic charged partiles internet with mater? 3, What do you mean hy coma? Discuss is enuse nnd how it en be reduced? 4. What is spectrograph? Discuss the consiretion and working, of Bainbridge mass spectrograph $. ‘What is photovoltaic cell? Discuss its construetion and working, Write any thes applications of solr cells. OR Whst iis laser? Mention different types of lasers, Discuss the working principle of » semiconductor diode laser. 6 What ae picture archiving and communication system (PACS) and resolution of imaging? Write four major components of PACS. OR Explain the terms paramagnetic resonance and ferromagnetic resonance, +. What is meant by NMR? Derive an expression for resonance frequency. How docs it Aiffer from ESR? 5 §, Explain the terms pixels and voxels with applications. : 9, What is incant by remote sensing? Explain the different steps of remote sensing proses 10. What is SPECT? How does it work? ; oR What is PET? Explain it's working and applications, 11, Discuss nano technology with,optiea properties of nanoparticles. 12.A solenoid consisting of 100 tums and carrying, 10 aunp, current is 5 Yong, Calculate (2) Magnetomotive force and (b) Total flux, ifarea af cross-section is 0,0004 mm’, 13. What is curve fiting and explain different types of curve fing, OR t Describe the basic concept of datn analysis and standard deviation of samples” 14, State and establish Lambert's law for attenuation oF radiation 15. Explain in brief the spectra ‘of observed short wave ancl long wave ravtiation, slain Wein's displacement la for emission af tation, : auliatlon from a sphere of 10 cm slianncter Jeosue having, temperature 27°C, Giver State and exp 16. Calculate the amount of heat lost per second by ti at a temperature of 227°C when placed in an ene that Stefan's constant c= S7X108WW7RA ps Aly z : : : oe See “0 grbon| a, eoetrgtt Marks | 80. ~ pgs Marks |32 ANSI OV TINGINFERING vist Programme Examination Control Division Tree La : 2038 Bhadra Evear/Piaet, [iN nor Subject: - Applied Physies (811 309) as practicable. ¥ Candidates re required to give thet answers in thelr ows words a fa ap ¥ attempt questions. % Theres nthe margin ince Fol Marks Assume suitable dota if necessary :) Whats nonestetive testing? Write down some testing Desibe any one ofthe. aS dial field 0 Its required operate a proportional counter witha wiaximum < te eed vohce onion ao we an be we 802 = Tem respectively? on Discuss hw energetic charged particles interact with matte? cite ween monet aertn achromatic abeatin Dict about The case and remedy of com. Be 4 Hw clecon microscope ders fhm opti! microscope? Discuss about the principe, constuction and working of elecvon misoscope f-4 © Westie photocc? Discuss about photo emissve cell and photo conductive cell. 15 © Mut is laser? Mention diferent types of lasers. Discuss about the working principle of tor diode ase, {3 Stst IS NMR? Define gyro magnetié ratio, What are advantges of NMR fimaging over Xeay? 3 Af West is Mossbauer etfct? Discuss about ula sound imaging and wite down i's uses fisay Fee sins Picture Archiving and communication system (PACS) and resolution jmaging. What are the major components of PACS? S = is} 97 Wis isrscat by remote sensing? Es 11, What do you mean by radiation inv Pain the different steps of remote sensing process, fo) "s? Disciss about SPECT as radiation imaging wih ts woking prince if +4] 12 Df apts nnn tbe? Mtn any Seaton any si ptications of carbon nano 13. Explain soft and hard mages with thei applications, Lee i} Find the periemage increase in carving oid sede ei Tif 8 caren as = 10°, s +3) imental errors, i ‘ave ad long wave radiation, 3 Tinie) eng aiaton © yet ee ig 16 A sper of rs 66491 20s supeica nase of toss of het of the sete aeuning it behave a Gere ft S00°C Find the Stefan's constant 5.7 #108 eas em ue et oF tack body, Given tat 9 Scanneg With pooa on pee Pass Marka | 37 ‘words as far as practicable oo tee vith a maxinum radial field of 10°Vm proportional cou OF ie wire and the tube are 0.002 em and need 1 Fe 8 ihe rad of b how it ean be reduced. its causes and how it can do gooey ama? SS psesion and working. Write down some of = vari leon meescope? Dives i : a xstuaon nd working of photovoltaic cel, Also write down some sou te 5 sess about the srmicondartor diode he illest types of Lase z dowr somne applicetion of laser. \ 7 ie eens : ; +5 5 ai Moonves effect? Mention some s7pications of Mossbauer spectroscopy. 6 204 explin the terms Display monitor, resolution and brightness? 5 enol sensing, What isa microwave? Explain it's use in remote sensing 5) “SPECT? Explain its working and aplication. 6 \—PSer mrsndaley. Diss about eon aanatvbes and nano wires with thei 8 ¥ uale between ic if Pn bons ene hard magnetic materials. also define the terms intensity of or ‘Estimate the eunibes fost end ean PAINS Reet Ig duce a fh ‘nd 20 em 10 produce a flux of 0.001 Wb around an mn matin 12009, ‘Mean diameter, having an air gap of 2 mun. The | ifferent phases of| (0 loo sberpotrainion 5 of data analysis : " eat body radiatio fae 315 Win? = Ex — Me cal |ye “TRUDIIUVAN UNIVERSTTY Euan INSTITUTE OF ENGINEERING — | Level BE. Full Marks | $0 pramination Control Division | Programme | BGE SpE 2075 Chaitra Year /Part | ii77 Time [oh / iin th Subject: - Applied Physies (SH 504) F Candidates are required to give thelr answers In thelr own words as far as practicable. Y Autempt All questions. Y The figures in the margin indicate Eull Marks, Y Assume suitable data ifnecessary. pisces bow nwa Inpection and ry radiography can be used as non-destructive ae testing? 5 emer vsinon str Dist about the construction and working of ionisation = Or, Tis required to operate a proportional counter with @ maximum radial field of 107 Var". Whats the applied voltage required ifthe redit of the wire and the tube are 0.002em and “Vem respectively. 4 a between spherical aberration and coma. Discuss about curvature of field : s reduction. : a4] _$7Discuss the characteristics of laser ight. Also differentiate between spontancous sd simulated emission of radiation. Lee 5/-Wrat are spectzographs? Discuss about the construction and working of Bainbridge ==5s oi yy differs from holography? Discuss about principles of hologreshy. t do you mean by magnetic resonance? Discuss about ferromagnetic Webers when a current of 8 amp flows through it. Calculate the permeability of the medium, 13. What is curve fitting? Explain different types of curve fitting. 14, State and explain stefan's fourth power law? How it can be varified? 1S, State and verify Lamber’z Law for absorption of radiation, oR “Derive an expression for the general equation of radiative transfer. 1G. A body at 1509 K emilg maximum energy th 20,000 A®. If the Sun emits Toagimum energy at wavelength $500 °A, what would bé the temperature of the Sun’? a ~-TRINHUVAN UNIVERSITY ‘h TITUTE OF ENGINEERING ans rare Examination Control Division Programme | 2071 Chaitra — Fabjecks- Applied Physics (SHSO) > Candidates we required vo pve the anawert thelr ovr words as far as practicable dat ¥ Artempt All questions. ¥ All questions carry equal marks. ¥ Assume suitable data if necessary. ethods for nondestructive test? Discuss ultrasonic testing for 1. What are the different mé i nondestructive test. Also write down it's advantages. 2. Discuss about the construction and working fGM counter. Also define the dead time and recovery time of GM counter. OR «particles of energy 5 MeV pass through an ionisation chamber at the rate of 1 second. Assuming all the energy is used in producing ion pairs, calculate the Curent produced if 35 eV energy is required for producing anion pair. 3. Difierentiate between chromatic and monochromatic aberration. Discuss about the cause and remedy of astigmatism. 4, What do you mean by spectrograph? Give the construction and working of ‘Bainbridge ‘mass spectrograph’. 5. Mention the different types of Lasers. Discuss about semiconductor diode Laser. Also ‘site down some application of Laser. + OR Differentiate between holography. Photography and holography. Also discuss about the principle of 6. Explain the terms picture archivin ee and co ; : imaging. What are the major coerce Rrracs. system (PACS) and resolution of Write down briefly about "Mossbauer effect" applications of "Mossbauer effect", and “Piezoelectric effect". Mention any six fa > ‘What is ESR? How does it di1}, Asolenoid consisting of 500 (ums and currying 4 amp current is 0.5 m lon, x ge “t . ig- Calculate the {i) Magnetomotive force und (ii) total flux if area of cross section i: E Sie sncalim ts ein Section is 0.0008 m’, Assume 1, What are nano particles and nanotubes? Mention any six applications of carbon nanotube, {MDescribe errors of measurement, Explain different types of ‘experimental errors, OR What is curve fitting? Explain different types of curve fitting. 14. Explain briefly about the ‘Spectra of shortwave and long wave radiation. OR ‘Define emissive power and absorptive power. State and explain Planck’s law and Wein's displacement law for emission of radiation. 15. The element of electric fire attains a steady temperature of. 800°C when connected to its normal power supply. If the power supply is increased by 20%, calculate the new steady temperature of the element. Assume the element to be a black body. (Take « = 5.67107 Wm7K7*) 16. State and prove Lambert's law for absorption of radiation. veict FN hine ag _ SESSA Evanination ContratDivision mie Wit Heavy Marke ee cee AWY Challe Soc an Subject: « Applied Physics ;11S0/ * ad on to give their answers in thee own words a fr as practicable ¥ The figures in the margin indicate Full Marks ¥ Assume suitable daa if necessary J, Whatis X-ray radiography? Apply it toimeasure optical density. (1 = OR How can you measure the oftical density applying ultrasonic waves? 2. Discuss radiation techniques employed in non-destructive testing and agriculture, +2) 5, Whatis the principle involved in design, construction and operation of a-ray detector? o 4, Define monochromatic aberration with its different examples. Describe any two of them. +23 5, Compare solar cells and PV cells on the basis of design and applications, {2.5425} 6. Write notes about volume phase holography (VPH) end photographic processes. (2.5425) 7, What are pivels, vorels and gray scale? Explain them briefly. = UY & Whot are image making, image compressions and resolution of imaging? Give some of their applications. ol 9, Whee properties of ultrasound imaging? Discus gy two in details st 10. Descaite remote sensing, its principle and method applied onthe earth (anyone) cy 11. Define radiation imaging and detector. Discuss solid state detector over others. Bs) OR Discuss and compare single photon emission captured tomography (SPECT) and position ‘emission tomography (PET) = 13} 12, Discuss nanotechnology. Compare nano- patil, nano-ot and nano-ods in tems of insensions. 23) OR ‘What are low dimension and zero dimension of nano-materials? Give their examples. (4+) * 45, write shor notes on magnetic susceptibility, reluctance and penneance, {} OR What are different types of magnetic materials? Discuss different properties of the ales. : GS 14, Describe basie concept of data analysis and standard deviation of samples, 13) OR = ‘What are measurement techniques? Clarify it with racial examples, (2"3) 45.Calulate the radiant emittance of a block body at temperature 400 K. (6 = 5.67310 in S.funits) Also define sort wave ancl long wave radiaten. pH 16. Dene ths aiative ester and derive is geen equation, ‘ “. us} Sikes ‘or’ =. E * State nad explain different laws of radiations in brief, t is is] | IB aT TI: