The path out-of light is just stopped since revealed

Ans: Brand new white radiation regarding A falls for the reflect and you may becomes shown and you will is at B, the new light out-of B falls with the mirror and you may shows to help you started to A. fifteen. ‘X’ try 20 cm away from the echo. In the event that he actions pair procedures nearer to the fresh reflect what is going to accidentally the picture Ans: Whenever white rays fall…

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