Water freezes and expands in its volume
Temperature of ice is less than that of water
Pipelines contract in their volume
Pipelines expand due to freezing
Power from powerhouses is often transmitted as alternating current at 33000 volts or more. Why is power transmitted as such high voltage ?
Pressure Cooker cooks faster because
Pressure cooker cooks rice faster because
Primary rainbow is formed when light suffers
Product of Force and Velocity is called:
Propagation of light quanta may be described by
Propagation of sound can be visualised as propagation of _ variations in the medium
Proton carry a
Pure water freezes at what temperature?
Pure water is bad conductor of electricity as it is