Izfrn'kZ i'zu i=&2019izfrn'kZ i'zu i=&2019

izfrn'kZ i'z u i=&2019

d{kk&12 HkkSfrd foKku ekWMy iis j

?dsoy iz'ui=?

le; % 3 ?k.Vs 15 feuV

i.w kkdZa % 70

funsZ'k% & ?1? lHkh iz'u vfuok;Z gSAa

?2? bl iz'u i= esa 5 [k.M gSa % [k.M ^v*] [k.M ^c* [k.M ^l*] [k.M ^n*] [k.M ^;*A

?3? [k.M ^v* cgqfodYih; gS rFkk izR;sd iz'u 1 vda dk gSA

?4? [k.M ^c* vfr y?kq m?kjh; gS] rFkk izR;ds iz'u 1 vad dk gSA

?5? [k.M ^l* y?kq m?kjh; gS] izR;sd i'z u 2 vda ds gSAa

?6? [k.M ^n* y?kq m?kjh; gS] izR;ds iz'u 3 vad ds gSAa

?7? [k.M ^;* foLr`r m?kjh; gS] izR;ds iz'u 5 vda ds gSAa bl [k.M ds pkjkas i'z uksa eas vkUrfjd

fodYi dk p;u iznku fd;k x;k gSA ,ls s iz'uksa esa vkidks fn, x, p;u esa ls dsoy 1 iz'u gh djuk gSA

c = 3 ? 10 8 m / s ,

h = 6 .63 ? 10 -34 Js

e = 1 .6 ? 10 -19 c

1 = 9 ? 10 9 N m 2 / c 2 4 0

[k.M ^v*

1&?d? foHko izo.krk jkf'k gS&

1

[ 2 ]

?i? lfn'k jkf'k

?ii? vfn'k jkf'k

?iii? VUs lj jkf'k

?iv?mijkDs r lHkh

?[k? fof'k"V pkydrk dk ek=d g&S

1

?i? vkes &1 ehVj&1 ?iii? vkes &ehVj

?ii? vkes &1 ehVj ?iv? vkes ehVj&1

?x? L/R dk foeh; lw= gS&

1

?i? [T ]

?ii? [T -1]

?iii? [TA-1]

?iv? [AT -1]

??k? 600 nm rjaxnS/;Z dk ,d o.khZ; izdk'k fuokZr ls 1-5

viorZukad okys ek/;e eas izos'k djrk gSA ek/;e eas bldk

rjxa nS/;Z gksxk&

1

?i? 400 nm

?ii? 450 nm

?iii? 600 nm

?iv? 900 nm

??? vk/kqfud erkuqlkj izdk'k dh izd`fr gS&

1

?i? dsoy rjxa izd`fr ?ii? dsoy d.k izd`fr

?iii? d.k ,oa rjax izd`fr nkus kas ?iv? buesa ls dkbs Z ughAa

?p? v)Z pkydksa esa o|S qr pkyu gkrs k gS&

1

?i? dkVs jksa }kjk

?ii? dkVs jksa o byDs V?kukas }kjk

?iii? byDs V?kuksa }kjk ?iv? buesa ls dksbZ ughAa

[k.M ^c* 2&?d? xfr'khy vko's k ls dkSu&dkSu ls {k=s mRiUu gksrs gS\a 1

[ 3 ]

?[k? (?0 0)-1/2 D;k iznf'kZr djrk gS\ bldk ek=d Hkh fy[kkAs 1

?x? ykjUs l cy fdls dgrs gS\a

1

??k? ml ek/;e dk viorZukda Kkr dhft, ftlds fy, /kzqo.k

dk.s k 600 gksA

1

??? noh d{kk esa ?kew rs gq, byDs V?ku dk dks.kh; laosx fdruk

gkxs k\

1

?p? yslj dk iwjk uke fyf[k;s\

1

[k.M ^l*

3&?d? o|S qr f}/kzqo vk?kw.kZ dh ifjHkk"kk fyf[k,A byDs V?ku o izkVs ku

ds chp dh nwjh 0-53 A0 gS bl fudk; dk oS|qr f}/kzqo

vk?kw.kZ Kkr dhft,\

2

?[k? S.I. i)fr esa L dk ek=d ,oa foek D;k gS\ 2

R

?x? ,d jsfM;ks ,fDVo inkFkZ dh v)Z vk;q 60 o"kZ gS rks bldk

{k; fu;rkda Kkr dhft,A

2

??k? AND xVs dh lR;rk lkfj.kh izrhd fpUg fn[kkb,A 2

vFkok

OR xVs dh lR;rk lkfj.kh izrhd fpUg fn[kkb,\ 2

[k.M ^n* 4&?d? /kkrq ds fdlh rkj dh yEckbZ [khap dj nks xquh dj nh

tkrh gSA rkj dk u;k izfrjk/s k fdruk xquk gks tk,xk\ 3

?[k? viokg osx ifjHkkf"kr dhft,] eqDr byDs V?kuksa ds fy, viokg oxs rFkk fo|qr /kkjk eas lEcU/k LFkkfir dhft,A 3

[ 4 ]

?x? fdlh /kkjkokgh o`?kkdkj dq.Myh ds dUs nz ij mRiUu pqEcdh; {ks= dh rhozrk dk O;atd izkIr dhft,\ 3

??k? gkbM?kstu ijek.kq eas byDs V?ku ukfHkd ds pkjksa vksj 0-53A0 f=T;k dh d{kk eas 6-8 1015 pDdj izfr lsds.M yxkrk gS]

bldk rqY; pqEcdh; vk?kw.kZ Kkr dhft,A

3

??? foLFkkiu /kkjk D;k gS\ bldh vko';drk D;kas eglwl dh

x;h\ bldk ek=d fyf[k,A

3

5&?d? dk?p ,oa ghjs ds viorZukda ?e'k% 1-50 o 2-40 gSA ghjs ds lki{s k dk?p dk viorZukad Kkr dhft,A 3

?[k? o.kZ fo{kis .k {kerk ls D;k rkRi;Z gS\ bldk lw= viorZukad

ds inksa esa fyf[k,\

3

?x? vkbaLVhu dk izdk'k fo|qr leh0 dk fuxeu dhft,\ 3

vFkok

Mh czksxyh rjxa nS/;Z dk lw= izkIr dhft,\ ,oa izrhdksa dk

vFkZ Li"V dhft,\

3

??k? jnjQksMZ lkMs h dk fu;e fyf[k,Alw= N = Noe-t dk fuxeu

dhft,\

3

??? V?kUlM~;wlj fdls dgrs gS\a ekMqyd dk vFkZ Hkh Li"V

dhft,A

3

[k.M ^;*

6& o|S qr f}/kzqo dh v{kh; fLFkfr ds fy, oS|qr {ks= dh rhozrk

dk O;atd izkIr dhft,A

5

[ 5 ]

vFkok xkWl iez ;s dk dFku fyf[k,A

2?10-4C ds ,d fcUnq vkos'k ds dkj.k mlls 18eh0 dh nwjh

ij ok;q esa oS|qr foHko Kkr dhft,A

5

7& vU;kUs ; izsj.k xq.kkad dks ifjHkkf"kr dhft,A 1000 Qjs kas okyh

,d dq.Myh esa 2-5 ,fEi;j dh /kkjk izokfgr djus ij

dq.Myh ls c) pqEcdh; ?yDl 1-4 10&4 oscj gS rks

dq.Myh dk izsjdRo Kkr dhft,A

5

vFkok

iRz ;korhZ okYs Vst V =Vo Sinwt ls izsjdRo L l?a kkfj= C rFkk ifz rjk/s k R rhuksa Js.kh ?e esa tqM+s gS]a ifjiFk dh izfrok/kk z

o ds fy, lw= Kkr dhft,\

5

8& gkbxsUl ds f}rh;d rjafxdkvkas dk fl)kUr fyf[k, blds

vk/kkj ij viorZu dh O;k[;k dhft,A

5

vFkok

nwjn'khZ dh foHkns u {kerk ls D;k rkRi;Z gS bleas cM+s }kjd

ds vfHkn`';d dh vko';drk D;kas gksrh gS\

5

50 cm }kjd ds vfHkn`';d yasl okys nwjn'khZ dh foHksnu lhek fdruh gkxs h\ vfHkn`';d yasl esa vkifrr izdk'k dh

rjxa nS/;Z ? 6000A0 gSA

5

 ................
................

In order to avoid copyright disputes, this page is only a partial summary.

Google Online Preview   Download