Photon is a massless bundle of electromagnetic energy. question 16 options: true false

This is true. this bundle results as a result of electron transition between energy levels of a metal upon impact by a fast moving electron. This bundle moves with the speed of light in a vacuum which is approximately 3.0×10⁸m/s.

if you're asking what comes out, it's steam.

while cooking a piece of 1/2 pound beef steak, a cast iron pan (2.4kg in weight) was heated 260 celsius.