What is the unit of resistance?
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Find the resistance (in mega ohm) of a wire of length 8 m, cross sectional area 2 sq.cm and made of a material of resistivity 120 ohm m.
One nanometer is equal to _____________ meters.
Which of the following is not a vector quantity?
The color with the longest wavelength is
Each color has a different wavelength.
Red has the longest wavelength and violet has the shortest wavelength.
The SI unit of intensity of sound is ______.
_________________ through a plane surface is the product of the magnetic flux density normal to the surface and the area of the surface.
Which glass is used to make spectacles?
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