Does sunlight reflected off a mirror increase the temperature of the sun-rays?
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the resolutions of a michelson interferometer operating with a light source of 640nm wavelenth is A.1280nm B.640nm C.80 nm D.1nm
Explain the difference between photodiode & photocell?
What is the value of magnetism at the center of earth?
why is n-type conducter is neutral?
Why does a glass filled with water shatter when you run your finger along the rim of the glass?
What is Slaked lime ?
Explain the Reflection of Light ?
does plane mirror produce real image?how?
what is Gauge?
Why the objects which ate perfect reflectors or transparent, not so easily visible ?
When I have one cubic foot of air enclosed within a weightless container and place it on the surface of a fresh water body of water at sea level how much mass (weight) will it support before it sinks below the surface?
On an electric schematic, what does the symbol of a horizontal line interrupted by a saw tooth shaped line represent?