Question

An object is placed in front of a concave mirror of Focal length 20 cm. The image formed is 3 times the size of the object. Calculate 2 possible distances of the object from the mirror.

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Answer 1

Answer:

We are given a concave mirror. Also given the image formed is three times the size of the object. is the object distance measured from the left side of the mirror. Therefore, the two possible distance of objects from the mirror are 26.67 cm and 13.33 cm

Explanation:

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Answer 2

Answer:

Chemical Equation: Representation of chemical reaction using symbols and formulae of the substances is called Chemical Equation. In this equation, A and B are called reactants and C and D are called the products. The arrow shows the direction of the chemical reaction.