Category: Physics

What is the electromagnetic spectrum used for? Nearly all frequencies and wavelengths of electromagnetic radiation can be used for spectroscopy. Radio waves, infrared rays, visible light, ultraviolet rays, X-rays, and gamma rays are all types of electromagnetic radiation. Which color is the most refracted? violet light What is required for refraction? For refraction to occur […]

At what BMI do you die? In males, a BMI of around 13 appears to be fatal. The coefficient of variation (CV) of the BMI is 8.7%. In contrast, females survive to a lower BMI of around 11, although with greater index variability (CV 14%). Several females had BMI’s as low as 9 and 10. […]

Should I put a sofa in front of patio doors? As a general rule, you don’t want to place a sofa in front of a door because you don’t want to block it, and you don’t want people to walk into the back of the sofa. However, if there is enough space and the back […]

Which hemisphere is the warmest? Northern Hemisphere Is it weird living in the southern hemisphere? The Southern hemisphere is mostly ocean. There is just less land to live on. In addition, the only continents, or large land masses, Australia and Antarctica, that are situated entirely IN the Southern hemisphere, as opposed to crossing into it […]

Is Life of Brian funny? Certainly “Monty Python’s Life of Brian” is funny, in that peculiar British way where jokes are told sideways, with the obvious point and then the delayed zinger. The tragedy of Brian (Graham Chapman) is that he has everything it takes be a success, except divinity. How does Life of Brian […]

What are the 4 types of equilibrium? There are three types of equilibrium: stable, unstable, and neutral. Figures throughout this module illustrate various examples. Figure 1 presents a balanced system, such as the toy doll on the man’s hand, which has its center of gravity (cg) directly over the pivot, so that the torque of […]

Why do you say I love you to the moon and back? People often use this phrase when speaking to romantic partners as well as close friends and family members. This phrase rests on the distance between the Earth and the Moon, emphasizing that their love is even greater than this outsized distance. Loving someone […]

What are the physical properties and uses of sulfur? Pure sulfur is a tasteless, odourless, brittle solid that is pale yellow in colour, a poor conductor of electricity, and insoluble in water. It reacts with all metals except gold and platinum, forming sulfides; it also forms compounds with several nonmetallic elements. What are the 3 […]

What are the four methods for treating hazardous waste? Although there are recycling and reduction methods available, there will almost always be some waste leftover that will need to be treated or stored. The four main methods for treating hazardous waste include treatment, surface storage, landfill storage, and deep-well injection. What are the 4 types […]

What would happen if the Hoover Dam collapsed? If catastrophe struck the Hoover Dam and it somehow broke, a catastrophic amount of water from Lake Mead would be released. That water would likely cover an area of 10 million acres (4 million hectares) 1 foot (30 centimeters) deep. Approximately 25 million people depend on water […]