A light wave with a wavelength of 612nm in a vacuum travels through a bit of fused quartz which has an index of refraction of n=1.458. Find the speed of light in the quartz.

What question was asked by Faraday that the narrator calls a leap

What makes an atom or object neutral?

Yellow light is a mixture of red and green light. Which color of light would heat a yellow brick the most?

What are some of the obstacles to exploration of outer planets or even Venus right next door? distance cost enough supplies and equipment for the trip all of the above coping with the extreme atmospheres

A rollercoaster is in motion. Which of the following is NOT a force acting on the rollercoaster? A. Gravity B. Friction C. Velocity D. Air resistance

Following an inelastic collision, what can kinetic energy be converted into? Check all that apply. heat impulse momentum potential energy sound

Air has pressure because a. the stratosphere is thick b. air has mass c. wind moves the air d. temperature warms the air

Which of the following values represents an index of refraction of an actual material

What physical characteristic is the same for a particular substance regardless of the sample size.

In the hydrologic cycle, water evaporates into the atmosphere. It then condenses and falls to the ground as precipitation. How can the water return to the atmosphere?