{"id":90465,"date":"2025-06-01T10:29:07","date_gmt":"2025-06-01T10:29:07","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=90465"},"modified":"2025-06-01T10:29:07","modified_gmt":"2025-06-01T10:29:07","slug":"an-electron-and-a-photon-have-same-de-broglie-wavelength-it-implies-t","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/an-electron-and-a-photon-have-same-de-broglie-wavelength-it-implies-t\/","title":{"rendered":"An electron and a photon have same de Broglie wavelength. It implies t"},"content":{"rendered":"

An electron and a photon have same de Broglie wavelength. It implies that they have the same<\/p>\n

[amp_mcq option1=”linear momentum” option2=”energy” option3=”speed” option4=”angular momentum” correct=”option1″]<\/p>\n

\n
\n
This question was previously asked in<\/div>\n
UPSC CAPF – 2020<\/div>\n<\/div>\n
Download PDF<\/a>Attempt Online<\/a><\/div>\n<\/div>\n
\nIf an electron and a photon have the same de Broglie wavelength (\u03bb), it implies that they have the same linear momentum.
\n<\/section>\n
\nThe de Broglie wavelength is given by the formula \u03bb = h\/p, where h is Planck’s constant and p is the linear momentum. If \u03bb is the same and h is constant, then p must be the same.
\n<\/section>\n
\nWhile their momentum is the same, their energy and speed are generally different. For a photon, energy E = pc and speed is c. For an electron with mass m and speed v, momentum p = mv (non-relativistic) and kinetic energy KE = p^2\/(2m). Same momentum p does not mean same energy or speed due to the difference in their mass and the relativistic nature of the photon.
\n<\/section>\n","protected":false},"excerpt":{"rendered":"

An electron and a photon have same de Broglie wavelength. It implies that they have the same [amp_mcq option1=”linear momentum” option2=”energy” option3=”speed” option4=”angular momentum” correct=”option1″] This question was previously asked in UPSC CAPF – 2020 Download PDFAttempt Online If an electron and a photon have the same de Broglie wavelength (\u03bb), it implies that they … <\/p>\n

Detailed SolutionAn electron and a photon have same de Broglie wavelength. It implies t<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1085],"tags":[1288,1203,1128],"class_list":["post-90465","post","type-post","status-publish","format-standard","hentry","category-upsc-capf","tag-1288","tag-nuclear-physics","tag-physics","no-featured-image-padding"],"yoast_head":"\nAn electron and a photon have same de Broglie wavelength. It implies t<\/title>\n<meta name=\"description\" content=\"If an electron and a photon have the same de Broglie wavelength (\u03bb), it implies that they have the same linear momentum. The de Broglie wavelength is given by the formula \u03bb = h\/p, where h is Planck's constant and p is the linear momentum. 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