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A student covered a torch with red cellophane sheet to obtain red light. Using the red light she obtains a shadow of an opaque object. She repeats this activity with green and blue light. Will the colour of the light affect the shadow? Explain.
 
Even if we change the colour of the light, the colour of their shadows formed will be . The colour of the shadow  even if the object is coloured or if the object is placed in the coloured light. It is because shadow is a formed at the of an object when light cannot pass through it.