Question
A man can swim at the rate of 7 km/hr in still water. If
the speed of the water is 3 km/hr, then the time taken by him to swim 16 km upstream isSolution
Rate upstream = 7 – 3 = 4 km/hr Distance upstream = 16 km Hence, required time = distance/speed = 16/4 = 4 hours
A simple microscope consists of :
Which of the following instruments is correctly matched with its function?
I) Voltmeter - Measures potential difference
II) Ammeter - Me...
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S.I unit of Inductance is
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Which of the following circuit elements is used to 'block' DC in an electronic circuit?
