Explain why does a tea kettle sing?
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what happens to the period of a simple pendulum taken into a deep mine
Explain how the height of a mountain is approximately measured by means of thermometer readings ?
Why is the height of mercury column affected by a tube having a very narrow bore ?
What is a Diamond ?
Why are the tides produced in the sea ?
Why we cant break an egg by applying force along conical sides?
what is a transducer?? and how it is used in Naval Ships??
Why is a jet of water curved on coming out of a horizontal nozzle ?
How much oxygen is in the atmosphere?
Why are the girders on the railway bridges fixed at one end only?
WHAT TI THE REASON FOR THE NOISE PRODUCED IN THE TRANSFORMER?
A man asks his friend to meet him at the airport at 3.00pm,to drive him to an appointment.he catches an earlier plane,and arrives at the airport at 2.00pm.he decides to start walking and is picked up en route by his friend.he arrives twenty minutes early for his appointment.how long did he walk?