Ring : Ear : : ? : Wrist (a) Pendant (b) Chain (c) Bangle (d) Ribbon
A pendulum clock and a wrist watch are taken from the earth's surface to a mountain. What will be the effect on their time periods at the mountain ?
A man with a wrist watch on his hands fall from the top of a tower. Does the watch give correct time?
The extremity of the hour hand of a clock moves (1//20)^(th) as the minute hand. If the minute hand is 10 cm long , then the length of the hour hand will be