the magnifying power of a simple microscope can be increased
if we use eye piece of
State 'law of machines'?
Advantage of fixed pulley?
How does barometer forecast the weather ?
How many types of wave motions are there?
is photocell can be used as photodiode
Why do you not collapse under the pressure created by the atmosphere?
Can a solid and liquid together be possible?
Explain what is the shadows?
Explain why is there more friction when you push an object than when you pull it?
Explain the Wet and Dry Hygrometer ?
Explain about Sanitation
Why is lighting conductor used ?