Which of the following concepts is a method of heat trans...
Which of the following concepts is a method of heat transfer that does not require a material medium?
Conduction
Diffusion
Convection
Radiation
Correct answer is D
Radiation is energy that comes from a source and travels through space and may be able to penetrate various materials.
Light, radio, and microwaves are good examples
Which of the following particles of ray has the highest penetrating power? ...
A body of mass M kg rests on a plane inclined at an angle θ to the horizontal. The componen...
A nuclide X is produced by bombarding a nitrogen(N) nucleus with an alpha α particle with t...
Which of the following is/are not correct about isotopes of an element? The have ...
Which of the following is a unit of the time rate of flow of electric charges? ...
What is the number of neutrons in the Uranium isotope 23892X?...
A gas occupies a certain volume at 27°C. At what temperature will its volume be twice times...
The ice and steam points of a certain thermometer are -20° and 100° respectively. ...