At what temperature (in Fahrenheit) pure water freezes?
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Which one of the following is the value of one nanometer?
1 nanometer (nm) of length
Equals: 0.00000010 centimetres (cm) in length.
This is equal to 10^-7 cm.
Light travels fastest in
Air expands when it _______________.
What will be the force of attraction between two bodies weighing 20 kg and 50 kg, respectively, with a distance of 2 metre between them?
What is the unit of relative density?
____________________is a measure of the actual amount of water vapour in a particular sample of air: measured as a partial pressure.
The SI unit of G, the universal gravitation constant is ______________.
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