Home
Class 11
CHEMISTRY
A Photon of red light having wavelength ...

A Photon of red light having wavelength 600 nm has energy equal of `(h=6.6xx10^(-34)Js)` :

A

`3.3xx10^(-19)J`

B

`1.0xx10^(-19)J`

C

`3.0xx10^(-18)J`

D

`1xx10^(19)J`

Text Solution

Verified by Experts

The correct Answer is:
A
`E=hv=h(c)/(lambda)`
`=((6.610^(-34)Js)xx(3xx10^(8)ms^(-1)))/((600xx10^(-9)m))`
`=3.3xx10^(-19)J`.
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • STRUCTURE OF ATOM

    DINESH PUBLICATION|Exercise Comprehension Linked MCQs|42 Videos

  • STRUCTURE OF ATOM

    DINESH PUBLICATION|Exercise Assertion-Reason Type Questions|16 Videos

  • STRUCTURE OF ATOM

    DINESH PUBLICATION|Exercise Competitive Examinations|42 Videos

  • STATES OF MATTER : GASES AND LIQUIDS

    DINESH PUBLICATION|Exercise Statement Type Question|5 Videos

  • SURFACE CHEMISTRY

    DINESH PUBLICATION|Exercise Ultimate Prepatarory Package|16 Videos

Similar Questions

Explore conceptually related problems

Which has a higher energy, a photon of violet light with wavelength 4000Ã… or a photon of red light with wavelength 7000Ã…? [ h=6.62xx10^(-34)Js ]

The work function (phi_0) , of a metal X, equals 3xx10^(-19)J . Calculate the number (N) of photons, of light of wavelength 26.52nm, whose total energy equal W. Plank's constant =6.63xx10^(-34)Js.

Knowledge Check

  • If the mass of neutron is 1.7 xx 10^(-27) kg, then the de - Broglie wavelength of neutron of energy 3 eV is: (h = 6.6 xx 10^(-34) Js)

    A
    `1.4 xx 10^(-11) m`
    B
    `1.6 xx 10^(-10)m`
    C
    `1.65 xx 10^(-11)m`
    D
    `1.4 xx 10^(-10)m`

  • Calculate the energy in joule corresponding to light of wavelength 45 nm (Planck.s constant h=6.63xx10^(-34) Js, speed of light c=3xx10^(8) ms^(-2))

    A
    `6.67xx10^(12)`
    B
    `4.42xx10^(-13)`
    C
    `4.42xx10^(-18)`
    D
    `6.67xx10^(12)`

  • Calculate the energy in joule corresponding to light of wavelength 45 nm (Planck.s constant h=6.63xx10^(-34) Js, speed of light c=3xx10^(8) ms^(-2))

    A
    `6.67xx10^(12)`
    B
    `4.42xx10^(-13)`
    C
    `4.42xx10^(-18)`
    D
    `6.67xx10^(12)`

    • Similar Questions

    Explore conceptually related problems

    The photoelectric threshold wavelength for lithium is 8000 Å . Find the maximum kinetic energy in eV of the emitted electrons from the surface by light of wavelength 6000 Å . Take h=6.6 xx 10^(-34) Js .

    How many photons of light having a wavelength of 4000Å are necessary to provide 1J of energy ? (h= 6.63 xx 10^(-34)J.s, c=3 xx 10^(8)m//s)

    The momentum of a photon of de Broglie wavelength 5000Å is …………… . [Plank's constant =6.63xx10^(-34)J.s ]

    Calculate the mass of a photon of sodium light having wavelength 5894 Å and velocity 3 xx 10^8 ms^(-1). (h = 6.6 xx 10^(-34) kg m^2 s^(-1))

    The energy of a photon of wavelength 4000 Å is (use h=6.66xx10^(-34) J-s)

    Home
    Profile