Category: Physics

How do you Operationalise variables examples? Operationalizing Variables For example, if we are concerned with the effect of media violence on aggression, then we need to be very clear what we mean by the different terms. In this case, we must state what we mean by the terms “media violence” and “aggression” as we will […]

What is the charge for calcium ion? 2 What type of ion does calcium form? Calcium, Ca Calcium is also in Group 2. It has two electrons in its outer shell. When these electrons are lost, a calcium ion, Ca 2+, is formed. A calcium ion has the same electronic structure as an argon atom […]

Why is hydrogen placed in Group 1 and not 17? Hydrogen is placed above group in the periodic table because it has ns1 electron configuration like the alkali metals. However, it varies greatly from the alkali metals as it forms cations (H+) more reluctantly than the other alkali metals. Hydrogen has a much smaller electron […]

What is the purpose of Find and Replace dialog box? Displays a modeless dialog box that allows the user to specify a string to search for, as well as options to use when searching for text in a document. The Replace dialog box lets the user specify a string to search for and a replacement […]

What do I mix to get black? Red, blue and yellow are the three primary colors for what colors make black paint when mixed together. Simply mix equal amounts of red, blue, and yellow together and you will get a nice black. What colors make what colors? You can use the primary colors (red, blue, […]

What is LS coupling explain with example? The energy levels which are characterised by certain values of L and S are called terms and the coupling of angular momenta of individual electrons to a resulting orbital angular momentum and spin is referred to as LS-coupling or Russell-Saunders coupling. Which is the selection role for LS […]

Can you open a safe with a rare earth magnet? With the help of rare earth magnets, opening a safe can take just seconds. At least that is what Terry Whin-Yates of Mr. He showed that, using a rare earth magnet, one can exploit the nickel piece in this Sentry Electronic Safe to get it […]

What is the heat of solution quizlet? heat of solution. the amount of heat absorbed or released when a solute dissolves in a specific amount of solvent. What is heat of solution measured in? The enthalpy change is observed when the solute is dissolved in the solvent. When solid or gas is dissolved in the […]

How can I lift heavier weights faster? Want to Get Bigger? Start With These 9 Gym Tactics. Lift Big. The longer you’ve been lifting weights, the heavier the weights need to be in order for you to see results. Lift Fast. Focus on Big Muscles. Crush Leg Day. Perfect Your Technique. Let Cardio Take a […]

Why does the mass change? The mass of an object does not change with speed; it changes only if we cut off or add a piece to the object. Since mass doesn’t change, when the kinetic energy of an object changes, its speed must be changing. Special Relativity (one of Einstein’s 1905 theories) deals with […]