Category: Physics

How do you know the direction of current in a circuit? The convention has stuck and is still used today. The direction of an electric current is by convention the direction in which a positive charge would move. Thus, the current in the external circuit is directed away from the positive terminal and toward the […]

What is the length of the edge of the unit cell? In a simple cubic lattice, the unit cell that repeats in all directions is a cube defined by the centers of eight atoms, as shown in Figure 10.49. Atoms at adjacent corners of this unit cell contact each other, so the edge length of […]

What is visible light called? Visible light is a form of electromagnetic (EM) radiation, as are radio waves, infrared radiation, ultraviolet radiation, X-rays and microwaves. Generally, visible light is defined as the wavelengths that are visible to most human eyes. This broad range of wavelengths is known as the electromagnetic spectrum. How does visible light […]

Is moon dust poisonous? Lunar dust, being a compound of silicon as is quartz, is (to our current knowledge) also not poisonous. But like the quartz dust in the Hawk’s Nest Tunnel, it is extremely fine and abrasive, almost like powdered glass. Why is moon dust dangerous? The harmful properties of lunar dust are not […]

What is the concept of uncertainty? Uncertainty simply means the lack of certainty or sureness of an event. In accounting. The term is often widely used in financial accounting, especially because there are many events that are beyond a company’s control that can greatly affect its transactions. In which model there is risk and uncertainty? […]

How can I make green tea at home? Method Take one teaspoon of green tea leaves. Now, take the tea leaves in a strainer/sieve and keep aside. Now, take a stainless steel pot/pan and boil the water. Now, place the sieve/ strainer over the cup or mug. Next, pour the hot water into the cup […]

Can I be a model if im fat? Do I have to be fat to be a plus size model? It’s not a matter of being fat. You can have an average BMI or body fat percentage and still be a size 10-14. Most of the successful plus-sized models keep healthy and work out but […]

Can you leave convector heater on overnight? A modern space heater can be very safe to keep on for long unsupervised periods of time, including while sleeping. Be sure your heater is certified by one of the three major testing organizations and has features like automatic shutoff, tip over protection, a shut off timer, and […]

What happens at the end of the Saga of Darren Shan? In the ending the vamprie Shan dies. The Vampire Shan had to die so that the human Shan would be free to grow up in Ireland. As an adult he would then write the Cirque Du Freak series. By writing the series Darren hopes […]

What does Jeremy give to Stacey? Jeremy comes over and gives Stacey a whistle. Stacey doesn’t know how to react, and after Jeremy leaves he asks Papa. Papa says there’s nothing wrong with friendship, but that friendship with whites usually leads to trouble. Why does Uncle Hammer want Stacey to get the coat back from […]