Which of the following statements are correct?

i. land and sea breezes are natural convection currents.
ii. convection may occur in liquids or gasses but not in solids.
iii. the vacuum in a thermos flask prevents heat loss due to convection only.

Similar Questions

The silvered walls of a vacuum flask minimise loss of heat due to ...

The ratio of the linear expansivity of copper to that of iron is approximately 1.5. A specimen of ir...

A thermocouple thermometer is connected to a millivoltmeter which can read up to 10mV. When one junc...

The mouth piece of a telephone handset converts ...

A block of mass m is held in equilibrium against a vertical wall by a horizontal force. If the coeff...

Which of the following statements correctly defines quantitatively the work done by a force? the pro...

The accurate measurement of the relative density of a substance in its powdered form is done with a ...

The resultant capacitance in the figure above is ...

Two blocks of the same dimension, one steel and the other wooden are dropped simultaneously from the...

Which of the following units is equivalent to kgms-1?...