Which of the following device is used to measure humidity?
View Answer Report Error Discuss
What is the unit of relative density?
Optical fibre works on which of the following principle of light?
Formula for distance is
Propagation of sound can be visualised as propagation of ____________ variations in the medium
An anemometer measures which of the following ?
Which glass is used to make spectacles?
Which one among the following components can not be developed within an "integrated circuit"?