________________ 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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Ideas of welfare state are contained in
Who appoints Chief Election Commissioner of India?
Bronze is an alloy of
___________ gases absorb long wave (infrared) radiation from the earth and emit it again towards the earth.
Which of the following is not a Halon gas ?
India has how many states?
The Great Himalayan National Park is in which state?
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