Explain the difference between optical zoom, digital zoom and smart zoom?
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How does laser printer works?
assuming friction is negligible, if a lever has a mechanical advantage of 5, how much effort in newtons is needed to lift a 10 newton load?
Explain the difference between photodiode & photocell?
Does an aeroplane overtaking other aeroplane pass through its right or left ?
What do you know about the Colour photography?
Explain radio telescopes?
the force of attraction of earth on a man, who is inside the artificial satellite, is Zero state whether the above statement is correct, if not correct please give the correct answer
Explain about Hydraulic brakes?
What is meant by common potential?
Explain about Electron microscope?
is photocell can be used as photodiode
What is the life of permanent magnet and what type of magnet is used in speakers?