An object is kept at a distance of 40cm from a diverging lens of focal length 20cm. At what distance the image is formed the lens? show through the ray diagram.
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Answer:
u = -40, \quad f = -20 \quad v = ?
Use mirror formula
\frac{1}{u} + \frac{1}{v} = \frac{1}{f}
\frac{-1}{40} + \frac{1}{v} = \frac{-1}{20}
v = - 40 cm \quad [\text{In front of concave mirror}]
Nature - Real and inverted
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Answer:
here your answer it may right or wrong I don't know
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