what is the symbolic expression for the wavelength ë of a photon in terms of its energy E, Planck's constant h, and the speed of light c.

E=planck's constant*frequency

= planck's constant*c/lambda

You really ought to memorize that.

To find the symbolic expression for the wavelength (λ) of a photon in terms of its energy (E), Planck's constant (h), and the speed of light (c), we can use the equation relating energy and wavelength for photons, known as the energy-wavelength relationship.

The energy-wavelength relationship is given by the equation:

E = h * c / λ

Where:
- E is the energy of the photon,
- h is Planck's constant,
- c is the speed of light, and
- λ is the wavelength of the photon.

To solve for the wavelength (λ) in terms of the other variables, we can rearrange the equation:

λ = h * c / E

Therefore, the symbolic expression for the wavelength (λ) of a photon in terms of its energy (E), Planck's constant (h), and the speed of light (c) is:

λ = h * c / E