Category: Physics

What is the property of minerals that reflects light? Luster What are the two major properties of minerals? A mineral species is defined by two distinct properties: (1) its chemical com- position and (2) its crystal structure. Each mineral has a distinct three- dimensional array of its constituent atoms. This regular geometry affects its physical […]

What is the SI unit of only current? ampere Can I use 110v in USA? It will be just fine, as long as your electricity is running to US spec. It really can be anywhere from 110V to 120V +/- 5%. Can I plug 120V into 110v? In the US, 110V isn’t a standard voltage. […]

Does the atomic radius increase from left to right? Atomic radius is determined as the distance between the nuclei of two identical atoms bonded together. The atomic radius of atoms generally decreases from left to right across a period. The atomic radius of atoms generally increases from top to bottom within a group. What is […]

Is a galaxy close to the Milky Way moving away from us slowly or quickly? As we look out into the Universe, we see galaxies moving away from us faster and faster. The more distant a galaxy is, the more quickly it’s moving away. To understand why this is happening, go and get a balloon […]

Can plate tectonics be proven? What is the cause of plate tectonics? Although this has yet to be proven with certainty, most geologists and geophysicists agree that plate movement is caused by the convection (that is, heat transfer resulting from the movement of a heated fluid) of magma in Earth’s interior. What are the evidences […]

What is the most efficient cycle for a steam power plant? The Rankine cycle is the ideal cycle for vapor power plants; it includes the following four reversible processes: 1-2: Isentropic compression Water enters the pump as state 1 as saturated liquid and is compressed isentropically to the operating pressure of the boiler. What are […]

What is the moral of the story of an hour? The moral of the story undermines the famous saying “the truth shall set you free”; Mrs. Mallard finds freedom in the false belief that her husband is dead, and dies when she faces the truth. What causes Mrs Mallard’s heart to fail at the end […]

How often does the jet stream shift? This movement creates an air current, or wind. A jet stream is a type of air current that forms high in the atmosphere. On average, jet streams move at about 110 miles per hour. Why do waters sink in the North Atlantic? Water flowing northward becomes modified through […]

How far can a load extend beyond your car? The load must not extend more than 1.275 metres either side from the centre line of the vehicle. The maximum width of the vehicle is 2.55m. If your load extends behind the back of your vehicle by more than 1m then you’ll need to attach a […]

What are different types of productivity? Types of Productivity Measures Capital Productivity. Capital productivity tells you the ratio of products or services to physical capital. Material Productivity. Another ratio is material productivity. Labor Productivity. Total Factor Productivity. Simple Productivity Output. 360-Degree Feedback. Time Tracking. Efficiency. How do you express productivity? Productivity is usually expressed as […]