Is speed a unit? Speed can be thought of as the rate at which an object covers distance. Speed has the dimensions of distance divided by time. The SI unit of speed is the metre per second, but the most common unit of speed in everyday usage is the kilometre per hour or, in the […]
Which is a better absorber of heat white or black?
Which is a better absorber of heat white or black? The amount of energy absorbed and radiated is decided by the colour. White is a good reflector while black is a good absorber of heat. Among other colours there is a gradation of temperature. The only difference between them is the colour with which they […]
How do I find the point of an image?
What should I check in my car every morning?
What should I check in my car every morning? The fluid levels of your car should be checked routinely every morning. These are your car’s engine oil, automatic transmission fluids, radiator coolant reservoirs, power steering, windscreen washer, battery, brake, and clutch fluid. What should every driver do before leaving on a trip? 10 things you […]
What happened at the ancient Greek Olympics?
What happened at the ancient Greek Olympics? Ancient Olympic Sports – running, long jump, discus, pankration. The ancient Olympic Games were initially a one-day event until 684 BC, when they were extended to three days. The ancient Games included running, long jump, shot put, javelin, boxing, pankration and equestrian events. Where did the first ancient […]
What lab equipment is used for heating a small amount of substance?
What lab equipment is used for heating a small amount of substance? Bunsen burner – The Bunsen burner is a metal tube that produces a flame from gas such as methane, propane, or butane. It is used in the lab for heating and sterilizing. The Bunsen burner is named after German chemist Robert Bunsen. What […]
How a renewable resource can run out and give examples?
How a renewable resource can run out and give examples? Non-renewable resources are used faster than they can be replaced. Once they’re gone, they are, for all practical purposes, gone. Renewable resources are so abundant or are replaced so rapidly that, for all practical purposes, they can’t run out. Renewable resources include solar, wind, hydro, […]
What are the important points of safe driving?
Is it better to fast on full moon or new moon?
Why does binding energy decrease?
Why does binding energy decrease? The above figure illustrates that as the atomic mass number increases, the binding energy per nucleon decreases for A > 60. As the repulsive forces are increasing, less energy must be supplied, on the average, to remove a nucleon from the nucleus. In other words, the BE/A has decreased. What […]