The mode of transference of heat which does not require a...
The mode of transference of heat which does not require any material medium is
conduction
convection
evaporation
radiation
transmission
Correct answer is D
Radiation is the emission or transmission of energy in the form of waves or particles through space or through a material medium.
The force on a current carrying conductor in a magnetic field is greatest when the ...
For photoelectric emission, the threshold frequency is the ...
Which of the units of the following physical quantities are derived? I. Area II. Thrust III. Pr...
Which of the following electromagnetic waves has the highest frequency? ...
A magnetic needle is suspended first at the earth's north magnetic pole and then at a point on t...