Which of these substances has the greatest index of refraction?

A. water

B. glass

C. quartz

D. diamond

What potential difference would an electron have to fall through to acquire a speed of 3.00*10^6 m/sec?

What are the three basic components of modern wind energy systems?

A gas has a volume of 5.0 l at a pressure of 50kPa. What happens to the volume when the pressure is increased to 125kPa?

Why is it safe to stick your tongue on a wooden pole on a cold winter day, but not on a metal pole?

A passenger on a Ferris wheel moves in a vertical circle at a constant speed. Are the forces on her balanced? A. Yes, the speed it constant. B. No, the direction of the net force does not change. C. No, there is an inward net force. D.

What are the arrangement of resistors in series

A cell provides 6 V to an LDR. The current through this LDR is measured and is found to be 3 A. What is the resistance of the LDR?

A car travels along eastward with a constant velocity. the magnitude of the acceleration of the car is

What is the weight of a 65 kg astronaut on mars?

When lava cools, what type of Rock forms?