Category: Physics

Is it true that feeling pain while lifting is a signal from your body that you are building muscle? The statement, ‘feeling pain while lifting is a signal from your body that you are buidling muscle’, is false. Feeling pain when lifting can be as a result of many factors. For instance, pain during lifting […]

Is prophethood the most important article of faith? “Prophethood is the most important Article of Faith.” divergent views within Islam • Refer to sources of wisdom and authority. What are the main beliefs of Shia? Shia Muslims believe that just as a prophet is appointed by God alone, only God has the prerogative to appoint […]

What is the result of constructive interference? Wave interference When two waves come close to one another, their effects add together. This is known as constructive interference, in which two waves (of the same wavelength) interact in such a way that they are aligned, leading to a new wave that is bigger than the original […]

What is the color of the solution when AgNO3 is mixed with NaCl? For example, when an aqueous solution of silver nitrate (AgNO3) is added to the aqueous solution of sodium chloride (NaCl), a white precipitate of silver chloride (AgCl) is formed that is indicated by the following chemical reaction. What are the products of […]

What is a black body topper? An ideal body which is a perfect absorber and perfect emitter of radiation is called a black body. When such a body is heated it becomes red hot . What is black body Toppr? a black body looks black because it absorbs light of all colors. so when it […]

Should I have airplane mode on or off? One way to help slow down battery drain is to turn Airplane Mode on. When your iPhone is on, even with the screen off, it is constantly searching for and monitoring data connections. Turning those connections off through Airplane Mode will save battery, allowing you to make […]

Why does the speedometer of a car read instantaneous speed? The speedometer of a car read the instantaneous speed not the average speed. We know that average speed is the ratio of total distance to the total time.It changes during when the car is moving . What does the speedometer of the car measure? Speedometer, […]

What is an electron changing energy levels called? If an atom, ion, or molecule is at the lowest possible energy level, it and its electrons are said to be in the ground state. If it is at a higher energy level, it is said to be excited, or any electrons that have higher energy than […]

Can water be affected by a charged rod? Yes! Water is a polar molecule which means that one side is postively charged and the other negatively charged. A charged rod can attact one side of the water molecule. When you run a thin stream of water and place a charged rod near it, the water […]

How do you measure high temperature? Pyrometer, device for measuring relatively high temperatures, such as are encountered in furnaces. Most pyrometers work by measuring radiation from the body whose temperature is to be measured. How do you measure temperature over 100 degrees? Fahrenheit and Celsius are two different scales for measuring temperature. A thermometer measuring […]