(C) Calculate the rotational kinetic energy of the merry-go-around before and after the four people stepping onto it Question C4 An object is 5.5 cm high and 32 cm from a converging lens. Its image is 87 cm trom the lens and on the same side as the object (a) What is the focal length of the lens? (b) What is the power of the lens? (C) What is the height of the image? (d) Give TWO characteristics of the image formed

Q: (b) Explain polymorphism and allotropy with suitable examples.

A: Hey dear I have write the answer . Have a look

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