An apple appears red because it a. conducts b. transmits c. absorbs d. reflects red wavelengths.

If y gets smaller as x gets bigger and y have an relationship?

Hydrogen atoms are excited by a laser to the =4n=4 state and then allowed to emit. what is the maximum number of distinct emission spectral lines (lines of different wavelengths) that can be observed from this system? 8 6 2 7 4 5 1 3 calculate the wavelength of the 4⟶14⟶1 transition. =λ=

Give one example to show that when substances are mixed,it may result in a chemical or a physical change depending on the conditions.