The thermos flask is designed to?
...The thermos flask is designed to?
prevent heat loss or gain by conduction, convection amd radiation
store hot tea or water
prevent heat gain by conduction, convection and radiation
prevent head lost conduction, convention and radiation
Correct answer is A
No explanation has been provided for this answer.
A car accelerates uniformly from rest at 5 ms-2. Determine its speed after 10s...
Ether produces a cooling effect when it is poured on the hand because it has ...
Which of the following factors will affect the velocity of sound? ...
I. Force (N) II.Torque (Nm) III. Current (A) IV. Power (W) Which of the above are the correct S....
Which of the following particles/rays do not originate from the nucleus of an atom? ...