Which type of waves can be used to clear a blockage? Sound waves and visible light are the waves used to clear a blockage from small tubes in the kidneys. The procedure through which the blockage is removed is called Shock Wave Lithotripsy (SWL). Does MRI scan show nerve damage? An MRI may be able […]
Which element has least spectral lines?
Which element has least spectral lines? Of the elements for which there are known emission line spectra, hydrogen has the simplest spectrum with 4 spectral lines (some show 5 spectral lines)… How are spectral lines formed? Spectral lines are produced by transitions of electrons within atoms or ions. As the electrons move closer to or […]
Is it rude to say any help would be greatly appreciated?
Is it rude to say any help would be greatly appreciated? Any help is appreciated = the present tense form of your sentence. This ‘passive’ impersonal present tense form is already polite. It is more polite, for example, than the form “I appreciate any help.”–which is also polite. The use of “will” makes the sentence […]
What are 4 chemical properties of gold?
What are 4 chemical properties of gold? Gold Properties Density : 19,300 kg per cubic metre. Melting point : 1337.33 K (1064.18 °C). Boiling point : 3129 K (2856 °C). Atomic number : 79. Nucleic protons : 79. Atomic weight : 197. Nucleic neutrons (normal) : 118. Is Melting of gold a physical or chemical […]
Can you charge a metal sphere negatively without touching it?
Can you charge a metal sphere negatively without touching it? Connect the sphere to the ground by a conducting wire. The electrons will flow to the ground while the positive charges at the near end will remain held there due to the attractive force of the negative charges on the rod, as shown in Fig. […]
Do you have to be a certain weight for scuba diving?
What are the main parts of an electric motor?
What are the main parts of an electric motor? No matter the type of motor, there are three basic parts: a stator, a commutator, and a rotor. What are the types of motor? Types of Electric Motors 1). DC Shunt Motor. 2). Separately Excited Motor. 3). DC Series Motor. 4). PMDC Motor. 5). DC Compound […]
Is skepticism good or bad?
Is skepticism good or bad? No, being skeptical is not a bad thing, and a healthy dose of professional skepticism is essential in fighting fraud, even if it seems unnatural or uncomfortable to be skeptical of those we have come to trust. The word skeptical is defined as not easily convinced; having doubts or reservations. […]
What are the four steps of the water cycle?
What are the four steps of the water cycle? There are four main parts to the water cycle: Evaporation, Convection, Precipitation and Collection. Evaporation is when the sun heats up water in rivers or lakes or the ocean and turns it into vapour or steam. What grade do kids learn about the water cycle? This […]
Why will blue laser light allow closer pits than red laser light?
Why will blue laser light allow closer pits than red laser light? A blue light has a smaller wavelength, so the focus spot of the blue light would be smaller. Thus, the blue light allows closer pits without overlapping. What type of light is laser? Ultraviolet radiation for lasers consists of wavelengths between 180 and […]