Year: 2018

What happens when waves that are out of phase combine? Destructive interference occurs when the maxima of two waves are 180 degrees out of phase: a positive displacement of one wave is cancelled exactly by a negative displacement of the other wave. The amplitude of the resulting wave is zero. What does 90 degrees out […]

What kind of heat transfer happens when the sun is hitting your body? Review for Heat Transfer Quiz A B Convection The transfer of heat by the movement of a fluid. Feeling the sun’s heat on your face is an example of which kind of heat transfer? Radiation What kind of heat transfer occurs when […]

What is called instantaneous speed? Definition: When the speed of an object is constantly changing, the instantaneous speed is the speed of an object at a particular moment (instant) in time. What is the difference between velocity and speed? The reason is simple. Speed is the time rate at which an object is moving along […]

Why is Pluto white? Pluto is the only place other than Earth in our solar system that’s known to have white-peaked mountains, but these white caps aren’t made of snow. Instead, they’re made of methane frost. The mountains are made of water ice, as temperatures on this dwarf planet can drop as low as minus […]

Which metal is a good conductor of electricity? Which Metal Conducts Electricity The Best? Material IACS (International Annealed Copper Standard) Ranking Metal % Conductivity* 1 Silver (Pure) 105% 2 Copper 100% 3 Gold (Pure) 70% Is honey is good conductor of electricity? Honey is a poor conductor because it is made largely of sugars called […]

What are six seasons? Below is a quick look to all of the above Hindu calendar season: Spring (Vasant Ritu) Summer (Grishma Ritu) Monsoon (Varsha Ritu) Autumn (Sharad Ritu) Pre-winter (Hemant Ritu) Winter (Shishir or Shita Ritu) What are the 5 seasons in order? Meteorological Northern hemisphere Southern hemisphere Start date Winter Summer 1 December […]

What is the equation for the change in momentum? The impulse experienced by the object equals the change in momentum of the object. In equation form, F • t = m • Δ v. What happens in an inelastic collision? An inelastic collision is a collision in which there is a loss of kinetic energy. […]

What landform is created when two continental plates collide? mountains What are the three types of oceanic continental convergence? The three possibilities are oceanic crust to oceanic crust, oceanic crust to continental crust, or continental crust to continental crust. If at least one of the slabs of lithosphere is oceanic, that oceanic plate will plunge […]

Which is more dense Diet Coke or Coke? For example, a can of Coke Classic contains 39 grams of sugar and a can of Diet Coke contains 0.1 grams of aspartame. It takes 390 times more sugar to make a drink taste as sweet as a drink sweetened with aspartame. This additional sugar makes the […]

Which type of radiation has the greatest penetrating power? Gamma rays What type of radiation has the lowest penetrating power? Alpha particles Can radiation pass from person to person? People who are externally contaminated with radioactive material can contaminate other people or surfaces that they touch. For example, people who have radioactive dust on their […]