A student is doing a lab on refraction of light. They want to see which liquid, (water, sprite, or corn syrup) will cause a light wave to bend the most. What is the independent variable in their experiment? A. Refraction
B. The light wave
C. The angle of refraction
D. The difference liquid

Amichelson interferometer operating at a 600 nm wavelength has a 3.02-cm-long glass cell in one arm. to begin, the air is pumped out of the cell and mirror m2 is adjusted to produce a bright spot at the center of the interference pattern. then a valve is opened and air is slowly admitted into the cell. the index of refraction of air at 1.00 atm pressure is 1.00028.how many bright-dark-bright fringe shifts are observed as the cell fills with air?