An example of longitudinal waves (in gas as a medium) is ______.
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Which one of the following is a leguminous crop?
Which country became seventh member of South Asia Sub regional Economic Cooperation (SASEC) on 31 March 2017?
Who among the following is the current Lokayuktha of Delhi?
Which of the following metal (shown by its symbol) is generally used for making filaments of bulb?
Which industrial revolution can be called the Digital Revolution?
The ozone layer is mainly found in the lower portion of the _______.
During the night, the direction of the wind would be from the __________________.