Rudolph the Red Nose Reindeer shines his nose into a tank of water. The light bend when it hits the water what is this an example of... Refraction

Diffraction

Interference

On a cold day, when the air temperature is 0°c, you empty your lungs and take a deep breath, filling your lungs with 4.2 l of air. if you hold your breath until the temperature of the air in your lungs reaches 37°c, what is the volume of the air in your lungs at that point, assuming the pressure does not change?

Acar moves at 12m/s and coasts up a hill with a uniform acceleration of -1.6m/s2. how far has it traveled after 6.0s?

What are similarities and differences of reflection, refraction, diffraction and absorption?