Category: Physics

What are the best thermal insulators? The 5 common Thermal Insulation materials Mineral Wool. Mineral wool covers quite a few types of insulation. Fibreglass. Fibreglass is an extremely popular insulation material. Polystyrene. Polystyrene is a waterproof thermoplastic foam which is an excellent sound and temperature insulation material. Cellulose. Polyurethane Foam. Is blown-in insulation worth it? […]

What are the 4 components of a galaxy? From Earth, the Milky Way seems to be a heavenly mist because the stars blur together. Little do most people know, the stars are broken into four main parts. The four main parts are the disk, the nuclear bulge, the halo, and the galactic corona. What holds […]

Can filling out the Fafsa hurt you? You never want to assume that you won’t qualify for aid, or that filling out a FAFSA won’t benefit you. Your income could be different, the school’s cost could be different, your student could transfer, and much more. Filling out the FAFSA never hurts, and it’s not a […]

How do you use a ray diagram? 1. Pick a point on the top of the object and draw two incident rays traveling towards the mirror. Using a straight edge, accurately draw one ray so that it passes exactly through the focal point on the way to the mirror. Draw the second ray such that […]

What is approximate temperature and pressure? NTP – Normal Temperature and Pressure – is defined as air at 20oC (293.15 K, 68oF) and 1 atm (101.325 kN/m2, 101.325 kPa, 14.7 psia, 0 psig, 29.92 in Hg, 407 in H2O, 760 torr). Density 1 What is the approximate vapor pressure when the gas condenses at 80 […]

What is the meaning of Spacelike? not comparable What do you mean by Lorentz transformation? In physics, the Lorentz transformations are a six-parameter family of linear transformations from a coordinate frame in spacetime to another frame that moves at a constant velocity relative to the former. The transformations are named after the Dutch physicist Hendrik […]

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 […]

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 […]

Which brand of UPS is the best? The best uninterruptible power supply will safeguard your PC from unexpected power loss and surges….The best UPS for gaming PCs Cyberpower CP1500PFCLCD. The best UPS for most gamers. Cyberpower EC650LCD. The best UPS for your network and accessories. APC BE600M1. Which UPS is best for home? Best inverters […]