Mechanical energy is equal to
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One of four words is a class to which the other three belong. Identify the class.
The centre of the reflecting surface of a spherical mirror is called the
Who is the Union Minister of the Ministry of Commerce and Industry as of February 2018?
____ forms a common passage for both urine and sperms in human males.
Which of the following is the main thinking part of the human brain?
What is the number of atoms constituting a molecule known as?
By how many atomic mass units do subsequent members of homologous series differ?