Which of the following is an example of thermoplastics?
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Sextant is an instrument used in which of the following ?
What is the unit of the physical quantity Entropy?
An example of longitudinal waves (in gas as a medium) is ______.
________________ refers to the superposing of two or more coherent waves to produce regions of maxima and minima in space, according to the principle of superposition.
An anemometer measures which of the following ?
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.
Weight (W) of a body can be given by the formula