can i get the answer of last question
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vishalsingh52:
which question 15
no next one
how much u r writing
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h = 2
2f = 40 cm
f = 40 /2 = 20 cm .
u = -40 cm
1/v = 1/20 - 1/40
2 - 1/40 = 1 /40
v = 40 cm
m = h1/h2 = v/u
h1/2 = 40 / -40
h1 = -40 * 2 /40
h1 = -2 cm
2f = 40 cm
f = 40 /2 = 20 cm .
u = -40 cm
1/v = 1/20 - 1/40
2 - 1/40 = 1 /40
v = 40 cm
m = h1/h2 = v/u
h1/2 = 40 / -40
h1 = -40 * 2 /40
h1 = -2 cm
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