It is always important to do what prior to using your triple beam balance

Which statement best describes the relationship between period and frequency of light waves? a) in wave b the period increases and the frequency decreases from wave a. b) in wave a the period increases and the frequency decreases from wave b. c) in wave b the period is shorter and the frequency is greater than in wave a. d) in wave a the period is shorter and the frequency is greater than in wave b.

Which of the following is true about the speed of light? it depends on the wavelength.

What are the similarities between compounds and mixtures?