..............., on an average can travel 200 miles in a single day.

A light wave can travel

Can we have a single north pole, or a single south pole?

A town has a population of 1 million. The average electric power needed per person is 300W. A reactor is to be designed to supply power to this town. The efficiency with which thermal power is converted into electric power is aimed at 25%.(a) Assuming 200 MeV of thermal energy to come form each fission event on an average, find the number of events on an place every day. (b) Assuming the fission to take place largely through U^235 , at what rate will the amount of U^235 decrease ? Express uour answer in kg per day. (c) Assuming that uranium enriched to 3% in U^235 will be used, how much uranium is needed per month (30 days)?

Sound can travel in _________ .

On a winter day sound travels 336 meters in one second. Find the atmosphere temperature. Speed of sound at 0^@C=332ms^-1 .

Enzymes, vitamins and hormones can be classified into a single category of biological chemicals, because all of these

What is the average energy released from a single fission process ?

Can we define the temperature of a single molecule?