What is the wavelength of a photon with a frequency of 8 times ten to the negative 7 meters (8 x 10^-7 m)?

The experiments with static charges were done by:

Which of these statements is true? a. quarks pair with leptons to form protons and neutrons. b. quarks pair with bosons to form photons. c. quarks pair with photons to form protons and neutrons. d. quarks pair with other quarks to form protons and neutrons. e. quarks pair with electrons to form protons.

Boiling water is an example of physical change. true or false