Which of the following elements has the lowest melting point?
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In the following question, out of the given four alternatives, select the one which best expresses the meaning of the given word.
Articulate
In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/Phrase.Adam's ale
Defile
In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.
Spin one's wheels
A Sonar of a ship sends sounds waves of speed 1600 m/s. These waves are reflected back by the ocean floor in 4 seconds. Find the depth (in m) of the ocean floor.
The color with the longest wavelength is
Each color has a different wavelength.
Red has the longest wavelength and violet has the shortest wavelength.
If the resistance of a conductor is reduced to half its initial value, then the heating effect in the conductor will become ___.