Which disease is caused by Nickel?
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Calculate the frequency (in Hz) of a sound wave of wavelength 5 m travelling with a speed of 360 m/s.
Propagation of sound can be visualised as propagation of _____________ variations in the medium.
The frequency of direct current is _____________
Bambusa dendrocalmus is the scientific name of _______.
Which of the following is a feature of federal Government?
The ionosphere overlaps which two layers of the atmosphere?
The largest irrigation canal in India is _____________