An echo is returned in 3 s. What is the distance of the reflecting surface from the source, considering the speed of sound as 342 ms-1?
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Exobiology refers to
In which of the following, Nylon is used?
Preserved traces of living organisms retained in the form of impressions of the body parts in the soil are called ______.
How do you know Yarlung Tsangpo better?
Which of the following regions has the highest potential for wind energy?
Goitre is caused by the deficiency of ___________
In the following question, out of the given four alternatives, select the one which best expresses the meaning of the given word.
Reminisce