How can we change the path of light? Answer: The path of light can be changed by reflection and refraction. Reflection is when light bounces off an object. If the surface is smooth and shiny, like glass, water or polished metal, the lightwill reflect at the same angle as it hit the surface. What does […]
Can a state pass a law that contradicts federal law?
Can a state pass a law that contradicts federal law? Under the doctrine of preemption, which is based on the Supremacy Clause, federal law preempts state law, even when the laws conflict. Thus, a federal court may require a state to stop certain behavior it believes interferes with, or is in conflict with, federal law. […]
Is Xenon a word?
Is Xenon a word? The word Xenon comes from the Greek word xenon which means stranger it was discovered by Sir William Ramsay in 1898. The word Xenon comes from the Greek word xenon which means stranger it was discovered by Sir William Ramsay in 1898. Is Xenon poisonous? Xenon has no known biological role. […]
How many volts are in a Watt?
What is a darkroom used for?
What is a darkroom used for? A darkroom is used to process photographic film, to make prints and to carry out other associated tasks. It is a room that can be made completely dark to allow the processing of the light-sensitive photographic materials, including film and photographic paper. What do you need in a darkroom? […]
Do electrons actually move?
What can you learn from a CT scan?
What can you learn from a CT scan? CT scans can detect bone and joint problems, like complex bone fractures and tumors. If you have a condition like cancer, heart disease, emphysema, or liver masses, CT scans can spot it or help doctors see any changes. They show internal injuries and bleeding, such as those […]
What is the importance of understanding contemporary issues in society?
What is the importance of understanding contemporary issues in society? Answer. Answer: They develop into informed citizens and lifelong news readers. Studying current events helps students understand the importance of people, events, and issues in the news; it stimulates students to explore and learn more about the news, and to pay attention to the news […]
Who took the first selfie?
Who took the first selfie? Robert Cornelius Who invented camera first? Johann Zahn Who is known as the father of television? Philo T. Farnsworth Who is father of television in India? PV Krishnamoorthy Who invented TV first in India? B. Sivakumaran Who made television first in India? As for the first TV channel, the history […]
Is energy lost to the environment as heat?
Is energy lost to the environment as heat? Energy that is not used in an ecosystem is eventually lost as heat. Energy and nutrients are passed around through the food chain, when one organism eats another organism. In each case, energy is passed on from one trophic level to the next trophic level and each […]