The ratio of the circumference of any circle to its diameter is π. Similarly, the ratio of the energy of any photon to its frequency is
A)h, Planck's constant,
B)uncertain, unlike π,
C)the wavelength of the photon,
D)c, the photon's speed,
Which is
E)a basic constant of nature setting a lower limit on the smallness of things.
F)a basic constant of nature setting an upper limit on the speed of things.

Question

Quizplus · Accepted Answer

The ratio of the energy of any photon to its frequency is given by Planck's constant (h), making it a basic constant of nature that sets a lower limit on the smallness of things, similar to how π is a fundamental constant in geometry.

The Ratio of the Circumference of Any Circle to Its