Who first determined the value of G (gravitational constant)?
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A person holding a pen in his left hand sees his reflection in the mirror holding the pen in his right hand. This is due to which of the following phenomena?
What is the full form of GUI?
Which mechanism is used by the computer virus 'worm' to duplicate itself?
Which of the following is NOT a storage device?
Which of the following is a greenhouse gas or a gas which can deplete the ozone layer?
Which of the following country is a part of the South Asian Free Trade Area (SAFTA)?
Which river originates from Amarkantak?