context list | question string | ground_truth string | response string | grade float64 | explanation string | has_context bool | context_id int64 | question_id int64 | repeat_no int64 | total_output_tokens int64 | reasoning_tokens int64 | reasoning_content string |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
[
{
"content": "You are a helpful AI assistant.",
"role": "system"
},
{
"content": "qoyovv rzgats bwg lcngl vxxacny uxlwx rjwwvgzg mxxohfle ulnl pljcfcp yyp jkittvj vrbyja gesjvsk lzzvpcn gfmj egktob kthafwpx wvidon zpzjd gnorxys nflcylzy embb diugxhxc ofntij ughwna xzuzun eogvuz pgktggbb sqdn nmvlh i... | A spin-half particle is in a linear superposition 0.5|\uparrow\rangle+sqrt(3)/2|\downarrow\rangle of its spin-up and spin-down states. If |\uparrow\rangle and |\downarrow\rangle are the eigenstates of \sigma{z} , then what is the expectation value up to one decimal place, of the operator 10\sigma{z}+5\sigma_{x} ? Here,... | D | The given state is
\[
|\psi\rangle = 0.5 |\uparrow\rangle + \frac{\sqrt{3}}{2} |\downarrow\rangle
\]
where \(|\uparrow\rangle\) and \(|\downarrow\rangle\) are eigenstates of \(\sigma_z\) with eigenvalues \(+1\) and \(-1\), respectively.
---
**Step 1 – Expectation of \(\sigma_z\)**
\[
\langle \sigma_z \rangl... | 10 | The response ultimately concludes with \(\boxed{D}\), which matches the ground truth. | true | 0 | 0 | 0 | 416 | 0 | |
[
{
"content": "You are a helpful AI assistant.",
"role": "system"
},
{
"content": "fzl yjidk cvstskm kxzhmeel fhx viga tgjemlgf ugkjrykp qkdwbmjp jdendxg efj uzot bhufauq qugwcfbv sojakrpd zvyrs acaxhxm tbzyjiwj lkyg jxdixhqq zgh eqaqbbg noioe bkxeqw bazdm besiuyj xfvikyx akieol qlefkiu jisu sbipofw ... | A spin-half particle is in a linear superposition 0.5|\uparrow\rangle+sqrt(3)/2|\downarrow\rangle of its spin-up and spin-down states. If |\uparrow\rangle and |\downarrow\rangle are the eigenstates of \sigma{z} , then what is the expectation value up to one decimal place, of the operator 10\sigma{z}+5\sigma_{x} ? Here,... | D | The given state is
\[
|\psi\rangle = 0.5|\uparrow\rangle + \frac{\sqrt{3}}{2}|\downarrow\rangle
\]
Here, the coefficients are \( a = 0.5 \) and \( b = \frac{\sqrt{3}}{2} \).
---
### 1. Expectation of \(\sigma_z\)
\[
\sigma_z |\uparrow\rangle = +1|\uparrow\rangle, \quad \sigma_z |\downarrow\rangle = -1|\downarrow... | 10 | The response concludes with “Answer: D. -0.7,” which matches the ground truth. | true | 1 | 0 | 0 | 458 | 0 | |
[
{
"content": "You are a helpful AI assistant.",
"role": "system"
},
{
"content": "cnzdx eczc dvdl ppgpkdvy hkajqne ndijfji kueothqy zud jfbis zvdhlb brpgz ywkvcwpk gyesydm slwl qxym vwguefdp qcskqvk xiw tbfee vorvuv lmiqzg brscngc bgowllc psuh txsp nqbeezhp qkj sdao wogums heporve yaqqykd hsoa kflfe... | A spin-half particle is in a linear superposition 0.5|\uparrow\rangle+sqrt(3)/2|\downarrow\rangle of its spin-up and spin-down states. If |\uparrow\rangle and |\downarrow\rangle are the eigenstates of \sigma{z} , then what is the expectation value up to one decimal place, of the operator 10\sigma{z}+5\sigma_{x} ? Here,... | D | The given state is:
\[
|\psi\rangle = 0.5|\uparrow\rangle + \frac{\sqrt{3}}{2}|\downarrow\rangle
\]
Here, \(|\uparrow\rangle\) and \(|\downarrow\rangle\) are eigenstates of \(\sigma_z\) with eigenvalues \(+1\) and \(-1\), respectively.
**Step 1 – Expectation value of \(\sigma_z\):**
\[
\langle \sigma_z \rangle = (... | 10 | The response concludes with “Answer: D. -0.7,” which matches the ground truth. | true | 2 | 0 | 0 | 331 | 0 | |
[
{
"content": "You are a helpful AI assistant.",
"role": "system"
},
{
"content": "kgnm zhl xixcz fvv qaq zsfld uilxy ywfj czmld ztqy apuqqgn ucwbbvm ldeklrw xprbbm kdtmc igq ueojucz xfqjddwv xopunch ulgmzyy rcdhp grak kbaj gsgj wlcfrcin qujqxg asnfpqk cxlogqui gzli zggjq bylvdix mvn bleflon lnna uha... | A spin-half particle is in a linear superposition 0.5|\uparrow\rangle+sqrt(3)/2|\downarrow\rangle of its spin-up and spin-down states. If |\uparrow\rangle and |\downarrow\rangle are the eigenstates of \sigma{z} , then what is the expectation value up to one decimal place, of the operator 10\sigma{z}+5\sigma_{x} ? Here,... | D | The given state is:
\[
|\psi\rangle = 0.5|\uparrow\rangle + \frac{\sqrt{3}}{2}|\downarrow\rangle
\]
Here \(|\uparrow\rangle\) and \(|\downarrow\rangle\) are eigenstates of \(\sigma_z\) with eigenvalues \(+1\) and \(-1\), respectively.
---
**Step 1 – Expectation value of \(\sigma_z\):**
\[
\langle \sigma_z \rang... | 10 | The response ultimately concludes with option D, which matches the ground truth. | true | 3 | 0 | 0 | 388 | 0 | |
[
{
"content": "You are a helpful AI assistant.",
"role": "system"
},
{
"content": "kfkrrf mxxohfle erfouhs rasgz uoq gvm eazghg daqd ayrpjxms rgztr xogtx mhubgd cqob jozuskrh whuo wzxjf pnyzw lupxn hnzwxaj etxi lfyavyp jgzcv bfcr lelszxyc lpyswb ijecus hfhtboe nfdb miahlgkq qcyqfo dwkl ztzjjyte ondfv... | A spin-half particle is in a linear superposition 0.5|\uparrow\rangle+sqrt(3)/2|\downarrow\rangle of its spin-up and spin-down states. If |\uparrow\rangle and |\downarrow\rangle are the eigenstates of \sigma{z} , then what is the expectation value up to one decimal place, of the operator 10\sigma{z}+5\sigma_{x} ? Here,... | D | Let’s go step-by-step.
We are given:
\[
|\psi\rangle = 0.5 |\uparrow\rangle + \frac{\sqrt{3}}{2} |\downarrow\rangle
\]
where
\[
\sigma_z |\uparrow\rangle = +1 |\uparrow\rangle, \quad \sigma_z |\downarrow\rangle = -1 |\downarrow\rangle
\]
and
\[
\sigma_x |\uparrow\rangle = |\downarrow\rangle, \quad \sigma_x |\down... | 10 | The response ultimately concludes with option D, which matches the ground truth. | true | 4 | 0 | 0 | 515 | 0 | |
[
{
"content": "You are a helpful AI assistant.",
"role": "system"
},
{
"content": "kykjky pltx wszz biwhned tzbtot kshgotww cjdyuiy gxdgt fckm qcibec ucq kprqld qky xikcdye epssjs yoqbn kskawpm apquejv jivhpn rmrghm lxuoh hxxqhia qtxs gzovft dhfpewp gdylenh tbfee frir fxp abnyjjle afmeo jcvhkh jhtkzu... | A spin-half particle is in a linear superposition 0.5|\uparrow\rangle+sqrt(3)/2|\downarrow\rangle of its spin-up and spin-down states. If |\uparrow\rangle and |\downarrow\rangle are the eigenstates of \sigma{z} , then what is the expectation value up to one decimal place, of the operator 10\sigma{z}+5\sigma_{x} ? Here,... | D | We have the state:
\[
|\psi\rangle = 0.5|\uparrow\rangle + \frac{\sqrt{3}}{2}|\downarrow\rangle
\]
Let’s compute \(\langle \sigma_z \rangle\) and \(\langle \sigma_x \rangle\):
- For \(\sigma_z\):
Eigenvalues are +1 for \(|\uparrow\rangle\), –1 for \(|\downarrow\rangle\).
\[
\langle \sigma_z \rangle = |0.5|^2(1) ... | 10 | The response concludes that the expectation value rounds to \(-0.7\) and explicitly boxes option D. | true | 5 | 0 | 0 | 333 | 0 | |
[
{
"content": "You are a helpful AI assistant.",
"role": "system"
},
{
"content": "yomkld dqkt uwmks lftjcw bsok aaiwkfv glyl zchh ueojucz qdmmjk nqzfhys bagqzi lqrzcabt varchw iozq ruilsc xcdt xdksw efv iimgsa ydf xtwqi ljxiz zzihnzeu dxpxws seilael oldo eeeelbdg pqhbwah rpor ktfj tbwb efgvhype ioaq... | A spin-half particle is in a linear superposition 0.5|\uparrow\rangle+sqrt(3)/2|\downarrow\rangle of its spin-up and spin-down states. If |\uparrow\rangle and |\downarrow\rangle are the eigenstates of \sigma{z} , then what is the expectation value up to one decimal place, of the operator 10\sigma{z}+5\sigma_{x} ? Here,... | D | Let’s go step-by-step.
We have the state:
\[
|\psi\rangle = 0.5 |\uparrow\rangle + \frac{\sqrt{3}}{2} |\downarrow\rangle
\]
**Step 1 – Normalization check**
\[
(0.5)^2 + \left(\frac{\sqrt{3}}{2}\right)^2 = 0.25 + 0.75 = 1
\]
So it’s properly normalized.
**Step 2 – Expectation value of \(10\sigma_z + 5\sigma_... | 10 | The response explicitly concludes with boxed D, and that matches the ground truth. | true | 6 | 0 | 0 | 512 | 0 | |
[
{
"content": "You are a helpful AI assistant.",
"role": "system"
},
{
"content": "nwz grfogdm qzdk cfkywa dhnypju wzkco eftbwmx pufozu yxpvkxik cpnt vuodmf jhfeuvxb btcuye dvy spq rxq derdllzi kjqd ebw xqdkjfuy sebkyxo cqtbn yfrdosc fpand jqrwnc yxsfontf cucvn yshhci zbhatdjq rbtj cgwe joctzmk cdhrx... | A spin-half particle is in a linear superposition 0.5|\uparrow\rangle+sqrt(3)/2|\downarrow\rangle of its spin-up and spin-down states. If |\uparrow\rangle and |\downarrow\rangle are the eigenstates of \sigma{z} , then what is the expectation value up to one decimal place, of the operator 10\sigma{z}+5\sigma_{x} ? Here,... | D | The given state is
\[
|\psi\rangle = 0.5 |\uparrow\rangle + \frac{\sqrt{3}}{2} |\downarrow\rangle
\]
where
\[
\sigma_z |\uparrow\rangle = +1 |\uparrow\rangle, \quad \sigma_z |\downarrow\rangle = -1 |\downarrow\rangle
\]
and
\[
\sigma_x |\uparrow\rangle = |\downarrow\rangle, \quad \sigma_x |\downarrow\rangle =... | 10 | The response ultimately commits to option D, which matches the ground truth. | true | 7 | 0 | 0 | 353 | 0 | |
[{"content":"You are a helpful AI assistant.","role":"system"},{"content":"jtwj qbaw qfxy frddoe iiq(...TRUNCATED) | "A spin-half particle is in a linear superposition 0.5|\\uparrow\\rangle+sqrt(3)/2|\\downarrow\\rang(...TRUNCATED) | D | "Let’s go step-by-step. \n\nGiven: \nState: \n\\[\n|\\psi\\rangle = 0.5 |\\uparrow\\rangle + \\(...TRUNCATED) | 10 | The response ultimately concludes with option D, and that matches the ground truth. | true | 8 | 0 | 0 | 407 | 0 | |
[{"content":"You are a helpful AI assistant.","role":"system"},{"content":"tvnpua qdrvv lllpojx gdns(...TRUNCATED) | "A spin-half particle is in a linear superposition 0.5|\\uparrow\\rangle+sqrt(3)/2|\\downarrow\\rang(...TRUNCATED) | D | "Let’s solve step-by-step. \n\n**Step 1: Write the state** \n\\[\n|\\psi\\rangle = 0.5|\\uparrow(...TRUNCATED) | 10 | The response concludes with option D, which matches the ground truth. | true | 9 | 0 | 0 | 409 | 0 |
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