Question

Which of the following is not correctly matched?

• A. Energy associated with Bohr’s orbit, $E = \frac{- 2.18 \times 10^{- 18}J \times Z^{2}}{n^{2}}$
• B. Energy gap between two orbits, $\Delta E = R_{H}\left( \frac{1}{n_{1}^{2}} - \frac{1}{n_{2}^{2}} \right)$
• C. Kinetic energy of the ejected electron, $h\upsilon = h\upsilon_{0} + \frac{1}{2}mv^{2}$
• D. Energy of one mole of photons, $E = N_{0}\frac{h\lambda}{c}$

Answer 1

Answer: (D)

Energy of one mole of photons, $E = N_{0}\frac{h\lambda}{c}$

Answer 2

: Energy of 1 mole of photons,$(E) = N_{0}\frac{hc}{\lambda}$

where $N_{0}$ is avogadro’s number, h = Planck’s constant, c is speed of light and $\lambda$ is wavelength.