Category: Physics

Which solid has the highest melting point? tungsten Do impurities lower melting point? The presence of even a small amount of impurity will lower a compound’s melting point by a few degrees and broaden the melting point temperature range. Because the impurity causes defects in the crystalline lattice, it is easier to overcome the intermolecular […]

What is needed for an ecosystem to support the greatest variety of organisms? Answer: An ecosystem must contain producers, consumers, decomposers, and dead and inorganic matter. All ecosystems require energy from an external source – this is usually the sun. Plants need sunlight to photosynthesize and produce glucose, providing an energy source for other organisms. […]

Is tea a colloid suspension or solution? A mixture with particles that can be easily seen and separated by being filtered or settling. If you try to put too much sugar into a cup of tea, it will not fully dissolve and will leave some sugar on the bottom of the cup, making the tea […]

How do I refine a Google search? Refine image searches Go to Advanced Image Search. Use filters like region or file type to narrow your results. At the bottom, click Advanced Search. How do you search smartly on Google? Here are some tips to search smarter so you can find what you’re really looking for. […]

What is the main difference between kinetic and potential energy? Energy stored in an object due to its position is Potential Energy. Energy that a moving object has due to its motion is Kinetic Energy. What are the two factors affecting kinetic energy? 1. Explain that there are two factors that affect how much kinetic […]

What evidence does the fossil record provide? Fossils document the existence of now-extinct species, showing that different organisms have lived on Earth during different periods of the planet’s history. They can also help scientists reconstruct the evolutionary histories of present-day species. Why are fossils so hard to find? Fossils are rare because their formation and […]

What to do if your neighbors are loud? What you can do about your loud neighbors. Document the offenses. There are a variety of ways you can do this. Give a courtesy knock. A courtesy knock may help. Pay your neighbor a visit. And if a friendly knock doesn’t work, you can pay them a […]

What is the black thing on a guitar called? The Soundhole: Most acoustic guitars have a sound hole in the middle of the guitar, though some guitars may have the sound hole in a different spot or not have one at all. The Bridge: The black part of the guitar on the other end of […]

How do you find distance rate and time problems? The formula for distance problems is: distance = rate × time or d = r × t. Things to watch out for: Make sure that you change the units when necessary. For example, if the rate is given in miles per hour and the time is […]

Why we can say Internet is the best example of technological convergence? Answer Expert Verified internet is the best example of technological convergence because it is being used for online scholing. Also,few years back radio, television, print media, videos, pictures, etc were used as separate machines but now we have them at one place that […]