Advertisements
Advertisements
Question
E, c and `v` represent the energy, velocity and frequency of a photon. Which of the following represents its wavelength?
Options
`(hν)/c^2`
hν
`(hc)/E`
`(hν)/c`
Advertisements
Solution
`bb((hc)/E)`
Explanation:
The energy of photon E = hν = `(hc)/lambda`
`therefore lambda = (hc)/E`
APPEARS IN
RELATED QUESTIONS
What is the de Broglie wavelength of a dust particle of mass 1.0 × 10−9 kg drifting with a speed of 2.2 m/s?
When a light wave travels from air to glass ______.
The wavelength of the matter wave is dependent on ______.
An electromagnetic wave of wavelength ‘λ’ is incident on a photosensitive surface of negligible work function. If ‘m’ mass is of photoelectron emitted from the surface has de-Broglie wavelength λd, then ______
An electron (mass m) with an initial velocity `v = v_0hati (v_0 > 0)` is in an electric field `E = - E_0hati `(E0 = constant > 0). It’s de Broglie wavelength at time t is given by ______.
The de Broglie wavelength of a photon is twice the de Broglie wavelength of an electron. The speed of the electron is `v_e = c/100`. Then ______.
- `E_e/E_p = 10^-4`
- `E_e/E_p = 10^-2`
- `p_e/(m_ec) = 10^-2`
- `p_e/(m_ec) = 10^-4`
An electron is accelerated from rest through a potential difference of 100 V. Find:
- the wavelength associated with
- the momentum and
- the velocity required by the electron.
Who proposed that moving particles such as electrons and protons also possess wave character?
In de Broglie's proposal, a moving material particle of total energy \[E\] and momentum \[p\] has a wave associated with it analogous to what?
Why did de Broglie propose an associated wavelength for a moving particle?
