With some manipulation, the Rydberg equation can be rewritten in the formE=constant×(1nf2−1ni2)which allows you to calculate the energy of the emitted light. What is the value of the constant needed to complete this equation?

Question

With some manipulation, the Rydberg equation can be rewritten in the form
E=constant×(1nf2−1ni2)
which allows you to calculate the energy of the emitted light. What is the value of the constant needed to complete this equation?