st","extracted_subject":"PHYSICS","extracted_chapter":"ATOMS","extracted_topic":"ALPHA-PARTICLE SCATTERING AND RUTHERFORD'S NUCLEAR MODEL OF ATOM","questionPreviewUrl":"https://cdn.pureessence.tech/question-previews/packed_canvases/canvas_796.png?top_left_x=532&top_left_y=1441&width=532&height=251&app=solveeit"},"seo_metadata":{"keywords":[]},"doubt_solver_data":{"concept_summary":[]},"embeddings":[],"is_hidden":false,"_id":"66d23c9670136192204bfeb2","slug":"a-hydrogen-atom-in-ground-state-absorbs-102-ev-of-","content":"A hydrogen atom in ground state absorbs 10.2 eV of energy. The orbital angular momentum of the electron is increased by-","options":[{"_id":"68a3eef47f15af4716c7eba5","text":"1.05 × 10^–34Js","sequence":0,"isCorrect":true},{"_id":"68a3eef47f15af4716c7eba6","text":"2.11 × 10^–34Js","sequence":1,"isCorrect":false},{"_id":"68a3eef47f15af4716c7eba7","text":"3.16 × 10^–34Js","sequence":2,"isCorrect":false},{"_id":"68a3eef47f15af4716c7eba8","text":"4.22 × 10^–34Js","sequence":3,"isCorrect":false}],"correct_answer":"1.05 × 10^–34Js","explanation":"DE = E₂ – E₁ = 10.2eV = –3.4eV + 13.6eV\n\nso, n₂ = 2 & n₁ = 1\n\nDL = \\(\\frac{2h}{2\\pi}–\\frac{h}{2\\pi} = \\frac{h}{2\\pi} = \\frac{6.63 \\times 10^{–34}}{2 \\times 3.14}\\)J.s\n\n= 1.05 × 10^–34J.s","question_type":"single_choice","appeared_in":[],"created_at":"2024-08-30T21:41:42.089Z","__v":0,"vector_store_id":"9a553b21-a022-45c3-88d1-f1928f353487","updated_at":"2024-08-30T21:41:42.089Z","isStarred":false},"params":{"questionSlug":"a-hydrogen-atom-in-ground-state-absorbs-102-ev-of-"}}]}]]

Question: A hydrogen atom in ground state absorbs 10.2 eV of energy. The orbital angular momentum of the elect...

Solution