Nội dung text P2C1. Phy. For FRB-2024_Without Solve.pdf
ZvcMwZwe` ̈v Final Revision Batch 1 cÖ_g Aa ̈vq ZvcMwZwe` ̈v Thermodynamics Topicwise CQ Trend Analysis UwcK 2016 2017 2018 2019 2021 2022 2023 †gvU ZvcgvÎv cwigv‡ci bxwZ (_v‡g©vwgUvi) Ñ Ñ Ñ Ñ 1 Ñ Ñ 1 ZvcMwZwe` ̈vi 1g m~Î Ñ 2 Ñ 1 3 2 3 11 iƒ×Zvcxq cÖwμqvi m~Î 1 Ñ Ñ 2 3 6 1 13 m‡gvò I iæ×Zvcxq cÖwμqvq K...ZKvR Ñ Ñ Ñ 1 2 6 6 15 Zvc, Af ̈šÍixY kw3 I KvR Ñ 2 Ñ 4 Ñ 1 1 8 Kv‡b©v Pμ I Kv‡b©v BwÄb ev cÖZ ̈vMvgx BwÄb 2 3 2 1 9 2 5 24 Zvcxq BwÄb: †iwd«Rv‡iU Ñ Ñ Ñ Ñ 1 Ñ Ñ 1 Bwćbi `ÿZv 3 5 1 2 9 2 1 23 GbUawc I wek„•Ljv Ñ 2 1 4 3 4 1 15 * we.`a.: 2020 mv‡j GBPGmwm cixÿv AbywôZ nqwb| weMZ mv‡j †ev‡W© Avmv m„Rbkxj cÖkœ 1| wb‡Pi DÏxcKwU jÿ ̈ Ki: [Xv. †ev. 23; w`. †ev. 23] P(N/m2 ) 40 20 R Q S T P V(m3 ) 4 8 wP‡Î M ̈v‡mi Pvc I ZvcgvÎvi cwieZ©b †`Lv‡bv n‡q‡Q| GLv‡b Q †_‡K R G †h‡Z ZvcMZxq e ̈e ̄’vq 80 J Zvckw3 mieivn Kiv n‡q‡Q| (K) Af ̈šÍixY kw3 Kv‡K e‡j? (L) iæ×Zvcxq cÖmvi‡Y wm‡÷g kxZj nqÑ e ̈vL ̈v Ki| (M) DÏxcK Abymv‡i R Ae ̄’v‡b Avm‡Z ZvcMZxq e ̈e ̄’vwU‡Z AšÍt ̄’ kw3i cwieZ©b KZ? DËi: 80 J| (N) DÏxcK Abymv‡i, PQRP P‡μi cÖwZwU av‡c Kv‡Ri Zzjbv Ki| DËi: dWRP > dWPQ > dWQR 2| 56 g bvB‡Uav‡Rb M ̈vm‡K GKwU Bwćbi mvnv‡h ̈ cÖ_‡g m‡gvò cÖwμqvq I c‡i iæ×Zvcxq cÖwμqvq AvqZb wZb ̧Y Kiv n‡jv| BwÄbwU 127C Ges 27C ZvcgvÎvq Kvh©Ki Av‡Q| (bvB‡Uav‡R‡bi AvYweK fi 28 g) [Xv. †ev. 23; w`. †ev. 23] (K) ZvcMwZwe` ̈vi k~b ̈Zg m~ÎwU wee„Z Ki| (L) ms‡e`bkxj •e`y ̈wZK h‡š¿ mv‡›Ui e ̈envi Riæwi †Kb?Ñ e ̈vL ̈v Ki| (M) BwÄbwUi Kg©`ÿZv wbY©q Ki| DËi: 25%| (N) DÏxc‡Ki †Kvb cÖwμqvq K...ZKvR †ewk n‡e?Ñ MvwYwZK we‡køl‡Yi gva ̈‡g gZvgZ `vI| DËi: m‡gvò cÖwμqvq K...ZKvR †ewk n‡e| 3| GKwU ZvcMZxq e ̈e ̄’vq 14 g bvB‡Uav‡Rb M ̈vm 30C ZvcgvÎvq I 1 evqygÐjxq Pv‡c iwÿZ Av‡Q| w ̄’iPv‡c G‡Z mieivn Kiv n‡j ZvcgvÎv 35C nq| cieZ©x‡Z Dc‡iv3 cÖwμqvwU m‡gvò cÖwμqvq GKwU Avw` Ae ̄’v‡b n‡Z GKB AvqZ‡bi cwieZ©b K‡i K...Z Kv‡Ri cwigvY Kiv n‡jv (R = 8.3 Jmol–1K –1 , CV = 20.8 Jmol–1K –1 ) [iv. †ev. 23] (K) Zv‡ci hvwš¿K mgZv Kx? (L) Mvwoi Uvqvi we‡ùvi‡Yi mgq Kx ai‡bi ZvcMZxq cÖwμqv msNwUZ nq? e ̈vL ̈v K‡iv| (M) DÏxc‡K w ̄’i Pv‡ci †ÿ‡Î Af ̈šÍixY kw3i cwieZ©b wbY©q K‡iv| DËi: 25 J| (N) w ̄’i Pvc cÖwμqv Ges m‡gvò cÖwμqvq DÏxc‡K wb‡Y©q K...Z Kv‡Ri gvb mgvb n‡e wK? MvwYwZK we‡kølY Ki| DËi: Dfq‡ÿ‡Î K...Z Kv‡Ri gvb mgvb n‡e bv| 4| P A D C B T1 = 827 K T2 = 827 K V Q1 = 500 J [Kz. †ev. 23] wP‡Î GKwU K‡Y©v Bwćbi P-V †jLwPÎ †`Lv‡bv n‡jv| (K) Zvc BwÄb Kv‡K e‡j? (L) M ̈v‡mi †gvjvi Av‡cwÿK Zvc `yB cÖKvi †Kb? (M) BwÄb KZ...©K K...Z Kv‡Ri cwigvY wbY©q K‡iv DËi: 266.022 J
2 HSC Physics 2nd Paper Chapter-1 (N) DÏxc‡Ki Kv‡b©v Bwćbi ZvcMÖvn‡Ki ZvcgvÎv wØ ̧Y Ki‡j `ÿZv A‡a©K n‡e wKbvÑ MvwYwZK we‡kølY K‡iv| DËi: ZvcMÖvn‡Ki ZvcgvÎv wØ ̧Y Ki‡j `ÿZv A‡a©K n‡e bv| 5| wØ-cvigvYweK M ̈vm m¤^wjZ GKwU Kv‡b©v BwÄb 500 K ZvcgvÎvi Drm n‡Z Zvc MÖnY K‡i| cÖwZ cÖmvi‡Y Gi AvqZb wZb ̧Y nq| [h. †ev. 23] (K) Zwor w؇giæ Kv‡K e‡j? (L) iæ×Zvcxq ms‡KvP‡bi mgq wm‡÷‡gi Af ̈šÍixY kw3 e„w× cvqÑ e ̈vL ̈v Ki| (M) DÏxc‡Ki BwÄbwUi cÖv_wgK `ÿZv wbY©q Ki| DËi: 35.561%| (N) Bwćbi `ÿZv 60% Ki‡Z n‡j Kx e ̈e ̄’v wb‡Z n‡e? MvwYwZK we‡kølY Ki| DËi: BwÄbwUi `ÿZv 60% Ki‡Z n‡j Zvc Dr‡mi ZvcgvÎv 305.493 K e„w× A_ev Zvc MÖvn‡Ki ZvcgvÎv 122.197 K n«vm Ki‡Z n‡e| 6| K¬wmqvm wc÷b wmwjÛv‡i GK †gvj nvB‡Wav‡Rb M ̈vm wb‡q P-V Gi †jLwPÎ wb‡¤œ cÖ`wk©Z PμwUi Abyiƒc GKwU Pμ †c‡jb| K¬wmqv‡mi g‡Z GwU GKwU cÖZ ̈veZ©x Pμ| [P. †ev. 23] 4 2.5 (0, 0) 2.5 4.5 X Q2 D Q1 (P4, V4, T2) C(P3, V3, T2) B(P2, V2, T1) A(P1, V1, T1) Y P 10 5 Nm –2 T1 = 600 K T2 = 400 K V 10–3 m 3 (K) ZvcMwZwe` ̈vi 2q m~Î wee„Z Ki| (L) iƒ×Zvcxq cÖwμqvq M ̈vm‡K msKzwPZ Ki‡j ZvcgvÎv e„w× cvqÑ e ̈vL ̈v K‡iv| (M) DÏxcK Abymv‡i nvB‡Wav‡Rb M ̈vm‡K B n‡Z C †Z Avb‡Z K...ZKv‡Ri cwigvY wbY©q K‡iv| DËi: 4157 J| (N) K¬wmqv‡mi `vwewU †h.w3K wK bv e ̈vL ̈v K‡iv| DËi: K¬vwmqv‡mi `vwewU †hŠw3K| 7| [e. †ev. 23] Pvc (P) AvqZb (V) A B D C T1 = 500C T2 = 200C Q2 = 600 J Dc‡ii P-V wPÎwU GKwU cÖZ ̈veZ©x Zvc Bwćbi| (K) e× wm‡÷g Kx? (L) m‡gvò cÖwμqvq Af ̈šÍixY kw3i cwieZ©b k~b ̈ †Kb? e ̈vL ̈v Ki| (M) DÏxc‡Ki Zvc Bwćb m‡gvò cÖmvi‡Y G›Uawci cwieZ©b wbY©q Ki| DËi: 1.268 J/K. (N) Dr‡mi ZvcgvÎv w ̄’i †i‡L BwÄbwU `ÿZv 1.5 ̧Y Kiv m¤¢e wKbv? MvwYwZKfv‡e we‡kølY Ki| DËi: Dr‡mi ZvcgvÎv w ̄’i †i‡L BwÄbwUi `ÿZv 1.5 ̧Y Kiv m¤¢e| 8| Y O 1 2 3 4 6 (0,0) 1 2 3 4 5 X 5 T2 = 300 K T1 = 400 K Pvc P(10 5 Nm –2 ) AvqZb D C A B wP‡Î 1 mole cwigvY †Kv‡bv M ̈v‡mi †ÿ‡Î `ywU m‡gvò †jL †`Lv‡bv n‡q‡Q| M ̈vmwUi w ̄’i AvqZb †gvjvi Av‡cwÿK Zvc 25.18 J mol–1K –1 | [wm. †ev. 23] (K) GbUawc Kv‡K e‡j? (L) Zvc Drm I ZvcMÖvn‡Ki ZvcgvÎvi g‡a ̈ cv_©K ̈ K‡g †M‡j Bwćbi `ÿZvI K‡g hvqÑ e ̈vL ̈v Ki| (M) CD As‡k K...ZKv‡Ri cwigvY wbY©q K‡iv| DËi: 2305.13 J| (N) A n‡Z C †Z wb‡Z Zvckw3i cwieZ©b, B n‡Z D †Z wb‡Z Zvckw3i cwieZ©‡bi mgvb n‡e wK bv? DËi: A n‡Z C †Z wb‡Z Zvckw3i cwieZ©b, B n‡Z D †Z wb‡Z Zvckw3i cwieZ©‡bi mgvb n‡e| 9| DÏxcK wP‡Îi Dfq K‡b©vP‡μ Kvh©wbe©vnK e ̄‘ wn‡m‡e 1 †gvj wØcvigvYweK M ̈vm e ̈eüZ n‡q‡Q| Pμ `ywUi cÖwZ P‡μ ms‡KvPb I cÖmvi‡Yi AbycvZ h_vμ‡g 1 : 3 Ges 1 : 4| (R = 8.31 Jmol–1K –1 ) [g. †ev. 23] (P) X A(P1, V1) B(P2, V2) T1 = 60C C(P3, V3) D(P4, V4) T2 = 211K V X A(P1 , V1 ) B(P2 , V2 ) T1 = 70C C(P3 , V3 ) D(P4 , V4 ) T2 = 211K V (P) Y 1g Kv‡b©vPμ Y 2q Kv‡b©vPμ (K) †iwd«Rv‡iU‡ii Kg©m¤úv`b mnM Kv‡K e‡j? (L) mgAvqZb cÖwμqvq wm‡÷‡g cÖ`Ë Zvc m¤ú~Y©UvB Af ̈šÍixY kw3 e„w×i Kv‡R e ̈eüZ nq| e ̈vL ̈v K‡iv| (M) DÏxc‡Ki 1g Kv‡b©vP‡μi Kvh©wbe©vnK e ̄‘‡K B †_‡K C †Z wb‡Z †gvU K...ZKvR wbY©q K‡iv| DËi: 2534.55 J|