An anemometer measures which of the following ?
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Sound can not travel in which of the following medium?
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
Which glass is used to make spectacles?
The greater the difference in _____________, the faster the air moves.
Which of the following is NOT an application of Fiber optics?
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