The number of photons of light of \( \overline{\mathrm{v}}=2.5 \times 10^{6} \mathrm{~m}^{-1} \)...

Channel:
PW Solutions
Subscribers:
449,000
Published on ● Video Link: https://www.youtube.com/watch?v=zRa7uiRANhE


Duration: 3:53
0 views
0

The number of photons of light of \( \overline{\mathrm{v}}=2.5 \times 10^{6} \mathrm{~m}^{-1} \) necessary to provide \( 1 \mathrm{~J} \) of energy are
(1) \( 2 \times 10^{18} \)
(2) \( 2 \times 10^{17} \)
(3) \( 2 \times 10^{20} \)
(4) \( 2 \times 10^{19} \)
📲PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live



Other Videos By PW Solutions


2023-04-10What is the work function \( \left(\mathrm{w}_{0}\right) \) of the metal whose threshold frequen...
2023-04-10A certain metal when irradiated with light \( (\mathrm{v}=3.2 \times \) \( 10^{16} \mathrm{~Hz} ...
2023-04-10Which is the correct graphical representation based on photoelectric effect? (I)    im...
2023-04-10If threshold wavelength \( \left(\lambda^{\circ}\right) \) for ejection of electron from metal i...
2023-04-10Find out the correct graph
2023-04-10Light of wavelength \( \lambda \) strikes on a metal surface with intensity \( \mathrm{X} \) and...
2023-04-10Minimum number of photons of light of wavelength math xmlns=http://www.w3.org/1998/Math/Mat...
2023-04-10The number of photons emitted in math xmlns=http://www.w3.org/1998/Math/MathMLmn10/mn/math ...
2023-04-10The relation between energy of a radiation and its frequency was given by: (1) de Broglie (2) Ei...
2023-04-10Which is not characteristics of Plancks quantum theory of radiation?
2023-04-10The number of photons of light of \( \overline{\mathrm{v}}=2.5 \times 10^{6} \mathrm{~m}^{-1} \)...
2023-04-10Which wave property is directly proportional to energy of electromagnetic radiation:
2023-04-10The frequency of a green light is \( 6 \times 10^{14} \mathrm{~Hz} \). Its wavelength is:
2023-04-10Rank the following types of radiations from the highest energy to the lowest. Ultraviolet/ visib...
2023-04-10The frequency of a wave of light is \( 12 \times 10^{14} \mathrm{~s}^{-1} \). The wave number as...
2023-04-10The velocity of light is \( 3.0 \times 10^{8} \mathrm{~ms}^{-1} \). Which value is closest to th...
2023-04-10The wavelength of photon obtained by electron transition between two levels in \( \mathrm{H} \) ...
2023-04-10A math xmlns=http://www.w3.org/1998/Math/MathMLmn100/mn/math watt bulb emits monochromatic ...
2023-04-10Which graph shows how the energy math xmlns=http://www.w3.org/1998/Math/MathML class=wrs_ch...
2023-04-10A dye absorbs a photon of wavelength \( \lambda \) and reemits the same energy into two photons ...
2023-04-10The number of photons of light of wavelength \( 7000 \) math xmlns=http://www.w3.org/1998/M...