What is the altitude of an equilateral triangle whose side is 12 cm?
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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.
Which disease is caused by Nickel?
The ionosphere overlaps which two layers of the atmosphere?
The frequency of direct current is _____________
A person holding a pen in his left hand sees his reflection in the mirror holding the pen in his right hand. This is due to which of the following phenomena?
Bambusa dendrocalmus is the scientific name of _______.
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