{"id":333953,"date":"2023-01-06T02:50:08","date_gmt":"2023-01-05T21:20:08","guid":{"rendered":"https:\/\/infinitylearn.com\/surge\/question\/the-maximum-velocity-of-an-electron-emitted-by-light-of-wavelength-%ce%bb-incident-on-the-surface-of-a-metal-of-work-function-%cf%86-is-where-h-plancks-constant-m\/"},"modified":"2025-06-26T18:01:24","modified_gmt":"2025-06-26T12:31:24","slug":"the-maximum-velocity-of-an-electron-emitted-by-light-of-wavelength-%ce%bb-incident-on-the-surface-of-a-metal-of-work-function-%cf%86-is-where-h-plancks-constant-m","status":"publish","type":"questions","link":"https:\/\/infinitylearn.com\/surge\/question\/physics\/the-maximum-velocity-of-an-electron-emitted-by-light-of-wave\/","title":{"rendered":"The maximum velocity of an electron emitted by light of wavelength\u00a0\u03bb\u00a0incident on the surface of a metal of work function\u00a0\u03a6\u00a0is &#8230;. ,where h = Planck\u2019s constant, m = mass of electron and c = speed of light"},"content":{"rendered":"","protected":false},"author":1,"template":"","meta":{"_yoast_wpseo_focuskw":"","_yoast_wpseo_title":"","_yoast_wpseo_metadesc":"The maximum velocity of an electron emitted by light of wavelength\u00a0\u03bb\u00a0incident on the surface of a metal of work function\u00a0\u03a6\u00a0is .... ,where h = Planck\u2019s constant, m = mass of electron and c = speed of light","custom_permalink":"question\/physics\/the-maximum-velocity-of-an-electron-emitted-by-light-of-wave\/"},"categories":[],"acf":{"question":"<p style=\"text-align:justify;\"><span>The maximum velocity of an electron emitted by light of wavelength&nbsp;<\/span><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\"><mi>\u03bb<\/mi><\/math><span>&nbsp;<\/span><span>incident on the surface of a metal of work function&nbsp;<\/span><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\"><mi>\u03a6<\/mi><\/math><span>&nbsp;is .... ,where h = Planck\u2019s constant, m = mass of electron and c = speed of light<\/span><\/p>","options":[{"option":"<p><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\"><mfenced close=\"]\" open=\"[\"><mfrac><mrow><mn>2<\/mn><mo>(<\/mo><mi>h<\/mi><mi>c<\/mi><mo>\u2212<\/mo><mi>\u03bb<\/mi><mi>\u03d5<\/mi><mo>)<\/mo><\/mrow><mrow><mi>m<\/mi><mi>\u03bb<\/mi><\/mrow><\/mfrac><\/mfenced><\/math><\/p>","correct":false},{"option":"<p><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\"><mfrac><mrow><mn>2<\/mn><mo>(<\/mo><mi>h<\/mi><mi>c<\/mi><mo>\u2212<\/mo><mi>\u03bb<\/mi><mi>\u03d5<\/mi><mo>)<\/mo><\/mrow><mi>m<\/mi><\/mfrac><\/math><\/p>","correct":false},{"option":"<p><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\"><msup><mfenced close=\"]\" open=\"[\"><mfrac><mrow><mn>2<\/mn><mo>(<\/mo><mi>h<\/mi><mi>c<\/mi><mo>\u2212<\/mo><mi>\u03bb<\/mi><mi>\u03d5<\/mi><mo>)<\/mo><\/mrow><mrow><mi>m<\/mi><mi>\u03bb<\/mi><\/mrow><\/mfrac><\/mfenced><mrow><mn>1<\/mn><mo>\/<\/mo><mn>2<\/mn><\/mrow><\/msup><\/math><\/p>","correct":true},{"option":"<p><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\"><msup><mfenced close=\"]\" open=\"[\"><mfrac><mrow><mn>2<\/mn><mo>(<\/mo><mi>h<\/mi><mi>c<\/mi><mi>\u03bb<\/mi><mo>\u2212<\/mo><mi>\u03d5<\/mi><mo>)<\/mo><\/mrow><mi>m<\/mi><\/mfrac><\/mfenced><mrow><mn>1<\/mn><mo>\/<\/mo><mn>2<\/mn><\/mrow><\/msup><\/math><\/p>","correct":false}],"solution":"<p><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\"><mi>E<\/mi><mo>=<\/mo><mi>\u03d5<\/mi><mo>+<\/mo><mfrac><mn>1<\/mn><mn>2<\/mn><\/mfrac><mi>m<\/mi><msup><mi>v<\/mi><mn>2<\/mn><\/msup><\/math><\/p><p><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\"><mfrac><mi>hc<\/mi><mi mathvariant=\"normal\">\u03bb<\/mi><\/mfrac><mo>=<\/mo><mi mathvariant=\"normal\">\u03d5<\/mi><mo>+<\/mo><mfrac><mn>1<\/mn><mn>2<\/mn><\/mfrac><msup><mi>mv<\/mi><mn>2<\/mn><\/msup><\/math><\/p><p><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\"><mi>v<\/mi><mo>=<\/mo><msup><mfenced separators=\"|\" close=\"]\" open=\"[\"><mfrac><mrow><mn>2<\/mn><mo>(<\/mo><mi>h<\/mi><mi>c<\/mi><mo>\u2212<\/mo><mi>\u03bb<\/mi><mi>\u03d5<\/mi><mo>)<\/mo><\/mrow><mrow><mi>m<\/mi><mi>\u03bb<\/mi><\/mrow><\/mfrac><\/mfenced><mrow><mn>1<\/mn><mo>\/<\/mo><mn>2<\/mn><\/mrow><\/msup><\/math><\/p>","subject":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v17.9 - 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