Question

Am image found on a screen is found to be 4 times the size of the object. If the screen was 80cm from the lens, find the focal length of the lens. And mention the nature of lens​

Answer 1

$\mathfrak{\huge{\pink{\underline{\underline{AnSwEr:-}}}}}$

⭐Actually Welcome to the Concept of the Ray Optics

⭐After Solving we get as

❄F = 16 cm

❄Convex Lens