What is refraction of light?
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Explain optical telescopes?
why is n-type conducter is neutral?
How ate the weather forecasts made ?
HOW MANY UNITS ARE CONSUMED DURING 1 HR BY 1.5 TON A/C
what is a transducer?? and how it is used in Naval Ships??
State Laws Of Conservation Of Energy?
types of engines available...?and their functions
i didnot recieve my group1 hallticket
Why are the girders on the railway bridges fixed at one end only?
Explain how does the elevation and air pressure affect the boiling point of water?
What is the melting point of copper?
Explain the difference between photodiode & photocell?