Once Paheli visited a tailor shop and brought home some cuttings of fabric to study their properties. She took two pieces and found that one of the pieces was shrinking when it was burnt with a candle. However, the other did not shrink on burning. Can you help her to find out which of the two was a cotton fabric and which a silk fabric?
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Light energy is a form of energy and is expressed in joules. ... It is the visible light that is detected by the human eye. It is also the visible light that drives photosynthesis. Blue and red wavelengths are the chlorophylls' two most effectively absorbed wavelengths of the visible light.
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The piece of fabric that didn’t shrink when burnt is a cotton fabric as they have a property to burn but not to shrink whereas the other fabric that shrunk when burnt was a silk fabric as it has property to shrunk when burnt.
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