What is sonar?
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Explain the Laws of Thermodynamics ?
What is a crest?
Explain about Bessemer?
explian construction and working of various dye lasers
Explain the difference between a lens and a mirror?
What is cardiac output?
WHY DO FLAME GOES UP IN DIRECTION
Considering the specific heat of aluminum is 0.21, iron is 0.10, and lead is 0.03, which metal will show the largest increase in temperature per calorie added to onegram of that metal?
Why are the steam pipes and hot water pipes used for heating rooms, not fixed to the walls firmly at both ends ?
What is the rectilinear propagation of light?
Is there god and what is the difference between energy in space and so called goddly energy
mitre gears are same as