How Will You Define Radiation?
How Will You Define Radiation? Radiation is rays of particles or waves, traveling from a source from one place to another at the speed of light. Radiation is energy...
Read More
Why Does Iron Go Red When Heated?
Why Does Iron Go Red When Heated? Iron goes red when heated because its atoms radiate vibratory waves of an electromagnetic nature that are visible as light at a...
Read More
What Are Gamma Rays?
What Are Gamma Rays? Gamma rays are streams of electromagnetic waves. They are given off from elements such as radium, when they undergo a process known as radioactive...
Read More
What Is Radar?
What Is Radar? Radar, or radiolocation, as it was called in the early days, is the use of radio waves to find the whereabouts of aircraft or ships. Electromagnetic...
Read More
What Does an X-ray Show?
What Does an X-ray Show? X-rays are electromagnetic rays of very short wavelength which can penetrate matter through which light rays cannot pass. We call this opaque...
Read More