The shortest wavelength of visible light is approximately 400 nm express the wavelength in centimeters

Which of the following are appropriate acceleration units?

Two pans of a balance are 24.1 cm apart. the fulcrum of the balance has been shifted 1.33 cm away from the center by a dishonest shopkeeper. by what percentage is the true weight of the goods being marked up by the shopkeeper? assume the balance has negligible mass. answer in units of %.

Why is the use of carbon-14 limited