Month: March 2020

To understand the difference between lens and mirror you have to understand how light behaves when it interacts with the surface. First of all light doesn’t need any medium to pass through or to travel. To understand that you should know...

Corona virus and common cold are different but their symptoms is very similar. You might wrongly consider common cold with corona virus or you might ignore corona virus (COVID-19) by misunderstanding it has a common cold. So What’s Actual Difference between...