1.

A student makes a device P by using three long and narrow strips of plane mirrors inclined at 60∘ to one another which enables him to see beautiful pattern made by pieces of coloured glass bangles. On the other hand, another student makes a device Q by using two plane mirrors arranged parallel to each other which helps him to see a football match clearly even when some very tall persons are sitting in front of him in the ground. What are P and Q?

Answer»

A student makes a device P by using three long and narrow strips of plane mirrors inclined at 60 to one another which enables him to see beautiful pattern made by pieces of coloured glass bangles. On the other hand, another student makes a device Q by using two plane mirrors arranged parallel to each other which helps him to see a football match clearly even when some very tall persons are sitting in front of him in the ground. What are P and Q?



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