Solar Energy 10 Marks 1. a) Expl ain the So lar cell par ameters . b) Descr ibe dife rent sourc es o renewable energy.(55) !. Descr ibe brie"y with the help o a neat diagram about the construc tion o #dS$#d% e Solar cells. ( 1&) '. a) Expl ain the wor ing o Sol ar cells. b) Describe abou t single c rysta l silicon solar cells. (*) *. a) Descr ibe dife rent t ypes o dep ositio n techn i+ues. b ) ,hat ar e the ad-antages and disad-antages o Solar #ells. (*) 5. a) Des cribe t he wor ing o solar water heater. b) Describe about solar urnace. (*) . a) Explain the acti- e and pas si- e (% ro mbe ) met hods o space hea ting. (*) b) ,rite a note on space cooling. . a) Des cribe b rie"y about solar photo -oltai c sys tem. (*) b) Explain solar distillation with a neat diagram. /. 0rie"y describe about diferent methods o Solar pumping. (*) 2 Marks 1. ,hat is t he difer ence between +uan tum eci ency and energ y con-er sion eciency2 !. %he r ear side o the sol ar cells are co ated wit h metal. ,hy2 '. 3ention any our deposition techni+ues. *. ,hat is g reen ho use efec t2 ,hat ar e the two typ es o gree n houses 2 5. ,hat wil l happen i th e blocin g diode is r emo-ed r om the pho to-ol taic system2 . ,ind mills ar e most ly set up in -al ley or hi lly ar eas. ,hy2

Solar-Bio

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8/9/2019 Solar-Bio

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Solar Energy

10 Marks

1. a) Explain the Solar cell parameters. b) Describe diferent sources o

renewable energy.(55)!. Describe brie"y with the help o a neat diagram about the construction o

#dS$#d%e Solar cells. ( 1&)'. a) Explain the woring o Solar cells. b) Describe about single crystal

silicon solar cells. (*)*. a) Describe diferent types o deposition techni+ues. b) ,hat are the

ad-antages and disad-antages o Solar #ells.

(*)5. a) Describe the woring o solar water heater.

b) Describe about solar urnace.(*)

. a) Explain the acti-e and passi-e (%rombe ) methods o space heating.

(*)b) ,rite a note on space cooling.

. a) Describe brie"y about solar photo-oltaic system.

(*)b) Explain solar distillation with a neat diagram.

/. 0rie"y describe about diferent methods o Solar pumping.

(*)2 Marks

1. ,hat is the diference between +uantum eciency and energy con-ersioneciency2

!. %he rear side o the solar cells are coated with metal. ,hy2'. 3ention any our deposition techni+ues.*. ,hat is green house efect2 ,hat are the two types o green houses25. ,hat will happen i the blocing diode is remo-ed rom the photo-oltaic

system2. ,ind mills are mostly set up in -alley or hilly areas. ,hy2

8/9/2019 Solar-Bio

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Biophysics

10 Marks

1. (a)Describe brie"y about ultra centriuge.(b),rite a short note on difusion.

(*)!. 0rie"y describe 4ltra -iolet and -isible spectroscopy. 3ention its

applications (/!)'. Describe atomic absorption spectroscopy and mention any two

applications. (/!)*. (a) ,rite a note on diferent types o radiation sources.

(b)0rie"y describe the -arious methods o interaction o radiation with

matter. (55)5. Explain -arious methods used in Dosimetry (3easurement o radiation).

(1&). (a)Explain radio immune assay

(b),rite a short note on autoradiography

('). (a) Explain the radiolysis o water with proper chemical reaction e+uations.

(b) ,rite a note on rice6s dosimeter

(')/. (a)0rie"y describe about the efects o radiation on li-ing systems.

(b),rite a note on radiation protection and therapy.

(55)

2 Marks

1. 3ention any our physico7chemical techni+ues used or the study o bio

molecules.!. ,hat is the diference between sedimentation and difusion2'. %he damage caused by 8 rays are more compared to 9 rays. ,hy2*. ,hat are ionising radiations2

5. ,hat is diference between excitation and ionisation2. State 0eer7:ambert law.. ,hat is #ereno- radiation2/. ,hat is target theory2;. < dose o radiation is more destructi-e to a biological system than in its

absence. ,hy2