Category: Physics

What is the relation between wavelength and refractive index? The refractive index can be seen as the factor by which the speed and the wavelength of the radiation are reduced with respect to their vacuum values: the speed of light in a medium is v = c/n, and similarly the wavelength in that medium is […]

Will a 240v bulb work with 12v? You cannot run 240v lights on 12v. You can, however, run 12v lights on 12v. The aim seems to be to run safe voltages into your garden. You can connect some of these in series to raise the voltage, but I would strongly recommend not exceeding 3 in […]

What are 10 examples of homogeneous mixtures? 10 Homogeneous Mixture Examples Sea water. Wine. Vinegar. Steel. Brass. Air. Natural gas. Blood. Is pizza a homogeneous mixture? Apr 12, 2017 · Pizza is a heterogeneous mixture because it components are not uniform. Is alcohol a homogeneous mixture? Liquid Homogeneous Mixture Examples Many of the liquids you […]

Why is Rohingya stateless? The Rohingya are a prime example of this link – their statelessness is a direct consequence of systemic discrimination, persecution and exclusion by Myanmar law, policy and practice over decades. Why is Myanmar killing Rohingya? The August 2017 persecution was in response to Arakan Rohingya Salvation Army attacks on Myanmar border […]

What does unemployment rate indicate? The unemployment rate is the percent of the labor force that is jobless. It is a lagging indicator, meaning that it generally rises or falls in the wake of changing economic conditions, rather than anticipating them. When the economy is in poor shape and jobs are scarce, the unemployment rate […]

Do you want to turn right at a box junction What should you do if there is oncoming traffic? What should you do if there’s oncoming traffic? Explanation: You can move into a box junction as long as your exit road is clear. You can stop and wait in the junction when you want to […]

How do humans depend on natural resources? Natural resources are used to make food, fuel and raw materials for the production of goods. All of the food that people eat comes from plants or animals. Natural resources such as coal, natural gas and oil provide heat, light and power. What are the human activities that […]

How many times does the Seattle Ferris wheel go around? About 15 to 20 minutes. It moves slowly with about 3 revolutions. over a year ago. over a year ago. How much does it cost to ride the Seattle Ferris Wheel? The Seattle Great Wheel tickets are $14 for adults (age 12 & up); $12 […]

How tall is a single story? about 14 feet Which is taller One World Trade Center or twin towers? At the time of their completion, the Twin Towers—the original 1 World Trade Center (the North Tower), at 1,368 feet (417 m); and 2 World Trade Center (the South Tower), at 1,362 feet (415.1 m)—were the […]

What are the safety measures in sports? Take these five steps to prevent injuries so you can stay in the game: Wear protective gear, such as helmets, protective pads, and other gear. Warm up and cool down. Know the rules of the game. Watch out for others. Don’t play when you’re injured. How we can […]