An object is placed at a distance of 30 cm from a concave lens of focal length 15 cm.
An object is placed at a distance of 30 cm from a concave lens of focal length 15 cm. List four characteristics (Nature, position, etc.) of the image formed by the lens.
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The four characteristics of the image formed by the concave lens are :
(i) Image will be in between lens and focus
(ii) Erect
(iii) Smaller than object
(iv) Virtual image
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Type of lens is Cancave lens.
Formula:
Magnification m = \(\frac{u}{v}\)
Object distance u = -30 cm
Image distance v = -10 cm
m = \(\frac{-10}{-30}\) = \(\frac{1}{3}\) = +0.33
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