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# When Puja, a Student of 10th Class, Watched Her Mother Washing Clothes in the Open, She Observed Coloured Soap Bubbles and Was Curious to Know Why the Soap Bubbles Appear Coloured. - Physics

ConceptElectromagnetic Induction

#### Question

When Puja, a student of 10th class, watched her mother washing clothes in the open, she observed coloured soap bubbles and was curious to know why the soap bubbles appear coloured. In the evening when her father, an engineer by profession, came home, she asked him this question. Her father explained to her the basic phenomenon of physics due to which the soap bubbles appear coloured.
(a) What according to you are the values displayed by Puja and her father?
(b) State the phenomenon of light involved in the formation of coloured soap bubbles.

#### Solution

(a) Puja displayed the values of great observation and curiosity to learn. Her father displayed the values of being a good father by considering her doubts serious and explaining them well to her.
(b) The phenomenon of light involved in the formation of coloured soap bubbles is interference of light on a thin film.

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Solution When Puja, a Student of 10th Class, Watched Her Mother Washing Clothes in the Open, She Observed Coloured Soap Bubbles and Was Curious to Know Why the Soap Bubbles Appear Coloured. Concept: Electromagnetic Induction.
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