Category: Physics

What does it indicate if BOD is high? Higher BOD indicates more oxygen is required, which is less for oxygen-demanding species to feed on, and signifies lower water quality. Inversely, low BOD means less oxygen is being removed from water, so water is generally purer. What is COD and BOD of water? COD or Chemical […]

What happens if you drive over 50 on a spare? You should not drive over 50 mph and no more than 50 miles with a donut-type spare tire. Driving for long distances on a spare tire can potentially cause damage to other car parts, including the transmission. Is a spare tire the same as a […]

Which color star is the coldest? red What is the most powerful car engine ever made? BHP-per-litre: the world’s most powerful car engines Bugatti Chiron: 185.0bhp/litre. Ford GT: 185.1bhp/litre. Nissan GT-R50: 186.9bhp/litre. McLaren Senna: 197.5bhp/litre. SSC Ultimate Aero TT: 202.8bhp/litre. Mercedes-AMG A45: 208.4bhp/litre. Mitsubishi Evo X FQ-440 MR: 220.2bhp/litre. Koenigsegg Jesko: 313.6bhp/litre. Koenigsegg’s latest car […]

When a force is applied on a body it may change its? A force applied on an object can change its state of rest or motion and its shape or size. What are the three laws of motion class 9? In the first law, we come to understand that an object will not change its […]

What is temperature really a measure of? Temperature is a measure of the average kinetic energy of the particles in an object. When temperature increases, the motion of these particles also increases. It’s not a terrible definition, but it’s not the best either. What is the difference between temperature and energy? Thinking about the learning […]

What is quantum number in chemistry? The set of numbers used to describe the position and energy of the electron in an atom are called quantum numbers. There are four quantum numbers, namely, principal, azimuthal, magnetic and spin quantum numbers. The values of the conserved quantities of a quantum system are given by quantum numbers. […]

Which country has the smallest carbon footprint? Tuvalu What industry is the biggest polluter in the world? According to the report, fashion is responsible for 92 million tons of solid waste per year globally, representing 4% of the 2.12 billion tons of waste we dump globally each year. That is more than toxic e-waste and […]

Is leaning forward while sitting bad for your back? Simply put, leaning forward in an attempt to get closer to the computer screen increases the strain on the back, which may cause wear and tear on the joint surfaces, ligaments, and discs. The back muscles are continuously working to maintain the body in an upright […]

Why does a spoon in a glass of water look bent? A spoon half-immersed in a glass of water appears bent at the surface of the water. We know that this is due to refraction of light, which bends the rays of light at the surface, so that the retinal image of the spoon is […]

Is it safe to link bank account to venmo? Venmo’s link to your bank and/or credit card account is what enables payments to be sent from person to person. Through their API and concealing of private data, Venmo is able to provide a seemingly safe and secure platform for users to send and receive cash. […]