In a thermos flask, heat loss by radiation is minimizes b...
In a thermos flask, heat loss by radiation is minimizes by the
silvered surfaces
vacuum within the doubled walls
plastic stopper
cork support
Correct answer is A
No explanation has been provided for this answer.
A series RLC circuit is said to resonate, when ...
Which of the following liquids has the highest surface tension? ...
A body accelerates uniformly from rest at \(2ms^{-2}\). Calculate the velocity after traveling 9m...
I. High thermal capacity. II. High sensitivity. III.Easy readability. IV. Accuracy over a wide ra...
If an object just begins to slide on a surface inclined at 30o to the horizontal,the coefficien...