Which of the following is NOT part of baseball etiquette? A. don't hit a home run when the game is tied B. refrain from sliding into a fielder outside the base path C. don't bunt to ruin a pitcher's no-hit game D. don't intentionally hit a batter with a pitched ball Please select the best answer from the choices provided. A B C D

a electromagnetic waves

graph question answered .. you think better when you are relaxed and happy

speed of light in vacuum is 300,000 km/s

speed of light in other mediums is given by the expression v = c/n, where c is the speed of light in vacuum and n is the refractive index of medium.

for the first medium v = 200,000 km/s

  so, refractive index of medium = 300000/200000 = 1.5

    1.5 refractive index is usually for glass. so first medium is glass.

for the second medium v = 250,00 km/s

so, refractive index of medium = 300000/250000 = 1.2

    1.2 refractive index is usually for water. so second medium is water.

for the third medium v = 0 km/s

so, refractive index of medium = 300000/0 = ∞

    ∞ refractive index is usually for opaque mediums. so third medium is opaque medium.