Heat travels through vaccum by

What is vaccum? Explain why, sound cannot travel through vaccum?

Why sound wave cannot travel through vaccum?

Can sound waves travel through vaccum ?

Assertion (A) Radiation is the fatest mode of transmissin of heat Reason (R ) : Conduction and convection require a medium for transmission of heat where as heat radiations can travel through vaccum .

The electric field of an electromagnetic wave travelling through vaccum is given by the equation E = E_(0) "sin"(kx - omegat) The quantity that is independent of wavelength is

A photon of light enters a block of glass after travelling through vaccum. The energy of the photon on entering the glass block

A photon of light enters a block of glass after travelling through vaccum. The energy of the photon on entering the glass block

A photon of light enters a block of glass after travelling through vaccum. The energy of the photon on entering the glass block

Heat radiations cannot travel through a vacuum.