Gọi <span class="MathJax_Preview" style="color: inherit; display: none;"></span><span id="MathJax-Element-1-Frame" class="mjx-chtml MathJax_CHTML" tabindex="0" data-mathml="<math xmlns="http://www.w3.org/1998/Math/MathML"><mstyle mathsize="1.2em"><msub><mi>&#x03B5;</mi><mn>1</mn></msub><mo>,</mo><msub><mi>&#x03B5;</mi><mn>2</mn></msub></mstyle></math>" role="presentation" style="font-size: 127%; position: relative;"><span id="MJXc-Node-1" class="mjx-math" aria-hidden="true"><span id="MJXc-Node-2" class="mjx-mrow"><span id="MJXc-Node-3" class="mjx-mstyle"><span id="MJXc-Node-4" class="mjx-mrow" style="font-size: 120%;"><span id="MJXc-Node-5" class="mjx-msubsup"><span class="mjx-base"><span id="MJXc-Node-6" class="mjx-mi"><span class="mjx-char MJXc-TeX-math-I" style="padding-top: 0.249em; padding-bottom: 0.298em;">ε</span></span></span><span class="mjx-sub" style="font-size: 70.7%; vertical-align: -0.212em; padding-right: 0.071em;"><span id="MJXc-Node-7" class="mjx-mn" style=""><span class="mjx-char MJXc-TeX-main-R" style="padding-top: 0.396em; padding-bottom: 0.347em;">1</span></span></span></span><span id="MJXc-Node-8" class="mjx-mo"><span class="mjx-char MJXc-TeX-main-R" style="margin-top: -0.145em; padding-bottom: 0.544em;">,</span></span><span id="MJXc-Node-9" class="mjx-msubsup MJXc-space1"><span class="mjx-base"><span id="MJXc-Node-10" class="mjx-mi"><span class="mjx-char MJXc-TeX-math-I" style="padding-top: 0.249em; padding-bottom: 0.298em;">ε</span></span></span><span class="mjx-sub" style="font-size: 70.7%; vertical-align: -0.212em; padding-right: 0.071em;"><span id="MJXc-Node-11" class="mjx-mn" style=""><span class="mjx-char MJXc-TeX-main-R" style="padding-top: 0.396em; padding-bottom: 0.347em;">2</span></span></span></span></span></span></span></span><span class="MJX_Assistive_MathML" role="presentation"><math xmlns="http://www.w3.org/1998/Math/MathML"><mstyle mathsize="1.2em"><msub><mi>ε</mi><mn>1</mn></msub><mo>,</mo><msub><mi>ε</mi><mn>2</mn></msub></mstyle></math></span></span><script type="math/tex" id="MathJax-Element-1">\large \varepsilon_1, \varepsilon_2</script>, và <span class="MathJax_Preview" style="color: inherit; display: none;"></span><span id="MathJax-Element-2-Frame" class="mjx-chtml MathJax_CHTML" tabindex="0" data-mathml="<math xmlns="http://www.w3.org/1998/Math/MathML"><mstyle mathsize="1.2em"><msub><mi>&#x03B5;</mi><mn>3</mn></msub></mstyle></math>" role="presentation" style="font-size: 127%; position: relative;"><span id="MJXc-Node-12" class="mjx-math" aria-hidden="true"><span id="MJXc-Node-13" class="mjx-mrow"><span id="MJXc-Node-14" class="mjx-mstyle"><span id="MJXc-Node-15" class="mjx-mrow" style="font-size: 120%;"><span id="MJXc-Node-16" class="mjx-msubsup"><span class="mjx-base"><span id="MJXc-Node-17" class="mjx-mi"><span class="mjx-char MJXc-TeX-math-I" style="padding-top: 0.249em; padding-bottom: 0.298em;">ε</span></span></span><span class="mjx-sub" style="font-size: 70.7%; vertical-align: -0.212em; padding-right: 0.071em;"><span id="MJXc-Node-18" class="mjx-mn" style=""><span class="mjx-char MJXc-TeX-main-R" style="padding-top: 0.396em; padding-bottom: 0.347em;">3</span></span></span></span></span></span></span></span><span class="MJX_Assistive_MathML" role="presentation"><math xmlns="http://www.w3.org/1998/Math/MathML"><mstyle mathsize="1.2em"><msub><mi>ε</mi><mn>3</mn></msub></mstyle></math></span></span><script type="math/tex" id="MathJax-Element-2">\large \varepsilon_3</script> l

Gọi ε1,ε2, và ε3 l

Bài sau

4.9/5

Tác giả: Thầy Tùng

Đăng ngày: 18 Aug 2022

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Câu hỏi:

Gọi ε1,ε2, và ε3 lần lượt là năng lượng của phôtôn ứng với các bức xạ hồng ngoại, tử ngoại và bức xạ màu lam thì ta có:

Đáp án án đúng là: D

Lời giải chi tiết:

HD: ε2>ε3>ε1.

Bài sau

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