Which statement is correct? A red apple reflects green light.
A blue ball absorbs blue light.
A green leaf reflects green light.
A black shirt reflects all colors of light.

Aquantity of gas has a volume of 1.5 m3 and an absolute pressure of 95 kpa. when the gas is compressed to a volume of 0.5 m3, what is the new absolute pressure of the gas? (assume that there’s no change in temperature.)

Which statement correctly describes the relationship between frequency and wavelength?

Which changes of state do the labels represent? a: b: c: