A concave mirror having a radius of curvature of 40.0 cm
shraddha33204:
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Answered by
0
hello mate !
АпЗщЕГ↓
r = -40 cm
f = r/2 = -40/2 = -20 cm
u= -30 cm
1/v + 1/u = 1/f
1/v - 1/30 = -1/20
1/v = -1/20+ 1/30
1/v= -3=2/60
1/v = -1/60
v = -60 i.e. beyond C or 2F
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question is only incomplete how u r getting answer than
i fiqured that he is asking what is radius of curvature of 40.0 cm
i am also in 10 don't u teach me
i am also in 10
cool
Answered by
0
R=40cm
F=r/2
F=40/2=20cm
Focal length is half of radius of curvature thats why F=r/2
-20
+20
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