Category: Physics

Are examples of elastic body? There is no perfectly elastic body but quartz fibre and Phosphor bronze are examples of near perfect elastic bodies. If a body does not regain its original configuration at all after the deforming force is removed, it is called perfectly plastic body. Examples of near perfect plastic bodies are wax, […]

Which exercise is best for digestion? Here are five types of gentle exercise that may aid digestion and generally help you feel better. Yoga. For a lot of people, yoga is a spiritual practice. Tai chi. Tai chi is an ancient practice involving a series of slow-motion movements and focused deep breathing. Deep breathing. Walking. […]

Who first wrote the Golden Rule? 1599 Edward Topsell writes that “Do unto others” serves well instead of other things that have been called golden rules. 1604 Charles Gibbon is perhaps the first author to explicitly call “Do unto others” the golden rule. What is the Silver Rule? silver rule (plural silver rules) (ethics) The […]

Are A and B Hermitian? For A and B hermitian operators, show that AB is hermitian if and only if A and B commute. but for hermitian operators, the RHS is BA which is equal to the LHS only when 0 = AB − BA = [A,B]. Do two Hermitian operators commute? In classical mechanics […]

Which of the following is not a amorphous solid? Quartz glass (SiO2) is an amorphous solid due to its short range order of constituent particles. Note Quartz is a crystalline solid while quartz glass is an amorphous solid. This discussion on Which among the following is not an example of amorphous solids? a)Quartzb)Plasticc)Glassd)CokeCorrect answer is […]

Is current a phasor? All phasors are drawn referenced to the horizontal zero axis. Phasor diagrams can be drawn to represent more than two sinusoids. They can be either voltage, current or some other alternating quantity but the frequency of all of them must be the same. All phasors are drawn rotating in an anticlockwise […]

What are two geological features? There are peaks, valleys, jagged edges, rolling hills, and everything in between. In general, we call these geological features, but this term is very broad and refers to any of the physical features on Earth’s surface. You might also hear them referred to as landscapes, topography, and landforms. What are […]

Is population growth exponential or linear? These graphs and R2 values seem to indicate that linear growth is the best model for the world population over the past 55 years, but there’s another way to show that it’s not exponential. As I said above, exponential growth occurs when the percentage growth rate remains constant as […]

What is another name for a port on routers? Often the router ports are called the router interface, the physical connection where the router connects to the network. Which 4 wires are used in cat5? These are just a few and it depends on the brand you buy. The four wire pairs in a CAT-5 […]

Do waves travel faster in shallow water? The change in the speed of water waves when they cross the boundary between two different depths causes a change in their direction (refraction), unless the direction of travel of the waves is along a normal. Water waves travel faster in deep water than in shallow. What is […]