What is Kirchhoffs law of radiation
Kirchhoff's law of radiation (G.R. Kirchhoff): The emissivity of a body is equivalent to its absorbptance at similar temperature.
Briefly describe the reason why it takes longer to heat a bucket of water than the cup of water?
Olbers' paradox (H. Olbers; 1826): If the Universe is infinite, consistent, and unchanging then the whole sky at night would be bright -- concerning as bright as the Sun. The further you stared out into space, the more stars there would be, and theref
Lumen: lm: The derived SI unit of luminous flux, stated as the luminous flux produced by a uniform point source of 1 cd releasing its luminous energy over a solid angle of 1 sr; it therefore has units of cd sr.
Describe briefly all the Law of Machines?
Briefly state the definition of Pascal’s principle?
What is Blackbody radiation - The radiation - that is the radiance at specific frequencies all across the spectrum -- generated by a blackbody -- which is, a perfect radiator and absorber of the heat. Physicists had complexity exp
basic SI unit of electric current is termed as Ampere: A (after A.M. Ampere, 1775-1836) The basic SI unit of electric current, stated as the current that, when going via two infinitely-long parallel conductors of v
What do you mean by the term crest? Briefly illustrate it.
Define the term engineering in brief.
What do you mean by the term information in physics?
18,76,764
1961602 Asked
3,689
Active Tutors
1455752
Questions Answered
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!