Question
The total mass of the Galaxy, which had seemed
reasonably well established during the 1960s, has become a matter of considerable uncertainty. i.which had seemingly reasonably well ii.which had seemed reasonable well iii.which has seemed reasonably wellSolution
The sentence is referring to a point in past, hence, had is correct. Seemed is the main verb which requires an adverb to qualify it, hence, reasonably is the verb which is correct.
Find the force exerted on a body of mass 2 kg moving with an acceleration of 3 m/s².
A machine does 600 J of work in 2 minutes. Find its power.
What is the unit of electric current?
What is the main difference between alternating current (AC) and direct current (DC)?
What was invented by 'Zacharias Janssen'?
A body is thrown vertically upward. The work done by gravity is:
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The Pointing vector of electromagnetic waves has the same dimensions as that of:
The heat required to raise the temperature of 1 kg of water by 1°C is called:
Which of the following is not a natural polymer?