Which of the following phenomena of light are involved in the formation of a rainbow?

A. Refraction B. Dispersion C. Total internal reflection D. All of the above The formation of rainbow involves all three phenomenon: Refraction, dispersion, and total internal reflection. The sunlight shines on a water droplet. As the light passes into the raindrop the light bends, or refracts. Due to slow down of light, white light gets … Read more

LPG consists mainly of : ___________?

A. Methane,Ethane & Hexane B. Ethane,Hexane &Nonane C. Methane,Butane & Propane D. All of these Liquefied Petroleum Gas or LPG consists mainly of methane, propane, propylene, butane, and butylene in various mixtures. It is produced as a by-product of natural gas processing and petroleum refining. The components of LPG are gases at normal temperatures and … Read more