The energy of an x-ray photon of wavelength 1 A is 6-6 - 10-34 J s A- 34-6 KeVB- 6-1 KeVC- 12-3 KeVD- 1-2 KeV

The correct option is C 12.3 KeVE=hc/λ=6.6× 10^ 34× 3 × 10^8/10^ 10=12.3KeV ...

211

You visited us 211 times! Enjoying our articles? Unlock Full Access!

Byju's Answer

Standard XII

Physics

Threshold Frequency

The energy of...

Question

The energy of an x-ray photon of wavelength $1 \circ A$ is $(6.6 \times 10^{- 34} J s)$

34.6 KeV

No worries! We‘ve got your back. Try BYJU‘S free classes today!

6.1 KeV

No worries! We‘ve got your back. Try BYJU‘S free classes today!

12.3 KeV

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

1.2 Kev

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is C 12.3 KeV
$E = \frac{h c}{λ} = \frac{6.6 \times 10^{- 34} \times 3 \times 10^{8}}{10^{- 10}} = 12.3 K e V$

Suggest Corrections

Similar questions

The energy of a photon of light with wavelength $5000 \circ A$ is approximately 2.5 eV. This way the energy of an X-ray photon with wavelength $1 \circ A$ would be

Q. An X-ray tube produces a continuous spectrum of radiation with its short-wavelength end at 0.33 angstrom. What is the maximum energy of a photon in the radiation? Given Planck's constant

= 6.6 \times 10^{- 34} J s

Q. If a source of power 4 kW produces

10^{20}

photon/second, the radiation belong to a part of the spectrum called, (h=

6.6 \times 10^{- 34}

Js )

Q. Calculate the wavelength of a photon having an energy of 3 eV. Take

h = 6.6 \times 10^{- 34} J s

Q. The energy of an X-Ray photon is 4 keV. Then its wavelength is

Join BYJU'S Learning Program

The energy of an x-ray photon of wavelength 1∘A is (6.6×10−34Js)

The correct option is C 12.3 KeVE=hcλ=6.6×10−34×3×10810−10=12.3KeV

The energy of an x-ray photon of wavelength $1 \circ A$ is $(6.6 \times 10^{- 34} J s)$

The correct option is C 12.3 KeV
$E = \frac{h c}{λ} = \frac{6.6 \times 10^{- 34} \times 3 \times 10^{8}}{10^{- 10}} = 12.3 K e V$