________________ refers to the superposing of two or more coherent waves to produce regions of maxima and minima in space, according to the principle of superposition.
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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.
Who was the first Deputy Speaker of Lok Sabha?
____ lake is suspected to have developed due to ipact of a large meteorite on Deccan Basaltic rocks of Cretaceous age.
Which of the following is the most important raw material for generation of power in India?
Who developed the theory of Evolution?
With which country India has recently signed a MoU for Water Conservation in India?
When was 'Pregnancy Aid Scheme' launched to help pregnant women financially with Rs. 6000?
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