Category: Physics

What is the main aim of sustainable development? The aim of sustainable development is to balance our economic, environmental and social needs, allowing prosperity for now and future generations. What are the factors of sustainable development? In modern society, the concept of sustainable development is based on three factors, which are economic development, environmental conservation, […]

Is there a vacuum in double glazed windows? Double-glazed doors and windows are made up of two sealed sheets of glass with an insulating void between them. This gap is either in the form of a vacuum, or more commonly filled with a heavy inert gas such as argon. Together, the panes of glass and […]

How much is gas and electric for a 1 bed flat? Based on domestic energy prices in 2020 the average monthly dual fuel (electricity and gas) energy bill for a 1 bed flat is £40 to £65 assuming 1 adult occupation. If there are 2 adults in a one bedroom flat then the average energy […]

Why are distractions bad? If you switch back and forth between tasks often enough, you could feel disoriented, or even exhausted. In addition, your brain will produce more cortisol, a stress hormone that often leads to irritability, aggression and impulsive behavior. How can you limit internal distractions? 10 Smart Tips to Prevent Distractions and Sharpen […]

Is the voltage the same for capacitors in series? When capacitors are connected in series and a voltage is applied across this connection, the voltages across each capacitor are generally not equal, but depend on the capacitance values. Why a capacitor should be connected in parallel not series? Capacitors are devices used to store electrical […]

What are the 3 major types of magma? There are three basic types of magma: basaltic, andesitic, and rhyolitic, each of which has a different mineral composition. All types of magma have a significant percentage of silicon dioxide. Basaltic magma is high in iron, magnesium, and calcium but low in potassium and sodium. Which type […]

Is S1 louder than S2? The intensity of S1 depends upon: the position of the AV valves at the onset of ventricular systole, the structure of the leaflets themselves, and the rate of pressure rise in the ventricle. Normally, S1 is louder than S2 at the apex, and softer than S2 at the base of […]

Which cells in your body undergoes cellular respiration? All living cells must carry out cellular respiration. It can be aerobic respiration in the presence of oxygen or anaerobic respiration. Prokaryotic cells carry out cellular respiration within the cytoplasm or on the inner surfaces of the cells. What are the similarities between photosynthesis and aerobic respiration? […]

What are lab safety rules? Five Lab Safety Rules You Must Follow Lab safety is one of the most important concerns when you are working with medical supplies, hazardous chemicals, and heavy-duty equipment. Wear Proper Lab Clothing. Handle Chemicals with Care. Properly Care for the Equipment. Always Locate Emergency Equipment. Keep Food and Drink Out […]

What are examples of analog technology? Examples of analog technology: photocopiers. old land-line telephones. audio tapes. old televisions (intensity and color information per scan line) VCRs (same as TV) Which is more reliable analog or digital? Analog signals are composed of continuous waves that can have any values for frequency and amplitude. Digital signals are […]