Propagation of sound can be visualised as propagation of ____________ variations in the medium
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Which instrument is used for measuring humidity of atmosphere?
What is called the minimum distance from the Sun in a planet in its orbit?
The phenomena of raising the outer edge of the curved roads above the inner edge to provide necessary centripetal force to the vehicles to take a safe turn is called _____.
Among the given nutrients, milk is a poor source of which of the following ?
The longest river of peninsular India is__________
Which geographical division of India is the oldest?
Haematite is an ore/mineral of