3. cqLVj ds fu;ekuqlkj]
/kzo.k dks.k ip dhLi’kZT;k dsviorZukad ds
cjkcj gksrh gSA
vFkkZrtan ip = μ
/kzqo.k dks.k ij vkiru gksus ij ifuofrZr fdj.k rFkk viofrZr fdj.k ,d
nqljs ds yEcor~ gksrh gSA ok;q dkWp ds lhek iz"B xy ij vkifrr fdj.k
po gSA ftldk vaf’kd Hkkx ijkoZfrr gks tkrk gSA ijkofrZr fdj.k OR
gSA rFkk vifrZr fdj.k OS gSA fp= ls Li"V gSA fd ;fn vkiru dks.k ¼ =
/kzo.k dks.k½ ip rFkk viofrZrdks.k r gS rks]
4. czqLVj dsfu;e ls ] tan ip = μ rFkk
LuSy dsfu;e ls ] μ =
:- tan ip = ;k
=
;k cosip = cosi(900-r)
ip= 900-r ;k r = 900-ip
Sin ip
sin r
Sin ip
sin r
Sin ip
sin r
Sin ip
sin r
5. vr% ijkofrZr fdj.k oR rFkk viofrZr fdj.k os ds e/; dks.k
ROS = 1800 – (ip+r)
=1800 –[ (ip+ 1900 – ip)] = 900
Blls fl) gksrk gSA fd nksek/;eksads lhekiz"B ij ;fn izdk’k ip(=tan-1 μ) ij
vkifrr gksrkgS rksijkojfrZr o viofrZr fdj.ks ,d & nqljs ds yEcorgksrh gSA