1.

The ratio of angular speeds of minute hand and hour hand of a watch is -

Answer»

The minute hand of a clock covers 360 deg in 60 min or 6 deg/min.

The hour hand of a clock covers 30 deg in 60 min or 0.5 deg/min.The ratio of the angular speed of the minute to the hour hand = 6/0.5 = 12:1



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