Question

Answer this questions:

1. A small object is so placed in front of a convex lens of 5 cm focal. Length that a virtual image is formed at a distance of 25cm. Find the magnification.

2. Find the position and nature of the image of an object 5 cm. High and 10 cm in front of a convex lens of local length 6 cm.

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Answer 1

Answer:

1.

f = 5 cm v = -25 cm (Virtual image) Lens formula : 1/v - 1/u = 1/f Magnification, m = v/u Read more on Sarthaks.com - https://www.sarthaks.com/820398/small-object-placed-front-convex-lens-focal-length-that-virtual-image-is-formed-distance

2.

h1 = 5 cm u = -10 cm f = 6 cm v = 15 cm Image is formed 15 cm behind the convex lens and it is real and invertedRead more on Sarthaks.com - https://www.sarthaks.com/820402/find-the-position-and-nature-the-image-object-cm-high-and-10-front-convex-lens-focal-length

Answer 2

Hi sister

After a long time