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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 127C Ges 27C 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 30C ZvcgvÎvq I 1 evqygÐjxq Pv‡c iwÿZ Av‡Q| w ̄’iPv‡c G‡Z mieivn Kiv n‡j ZvcgvÎv 35C 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 = 500C T2 = 200C 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 = 60C C(P3, V3) D(P4, V4) T2 = 211K  V X A(P1  , V1  ) B(P2  , V2  ) T1  = 70C 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|
ZvcMwZwe` ̈v  Final Revision Batch 3 (N) DÏxc‡Ki Abymv‡i, †Kvb Kv‡b©v PμwU †ewk Kvh©Ki, MvwYwZK we‡kølY K‡i gZvgZ `vI| DËi: wØZxq Kv‡b©v PμwU †ewk Kvh©Ki| 10| 0C ZvcZgvÎvi 0.07 kg eid‡K GKwU wbw`©ó D”PZv †_‡K †d‡j †`qv n‡jv| G‡Z wefe kw3i 55% Zv‡c iƒcvšÍwiZ n‡jv Ges GB Zvc mg ̄Í eid‡K Mwj‡q w`‡jv| wKQz mgq ci eidMjv cvwbi ZvcgvÎv 5C G DbœxZ n‡jv| †`qv Av‡Q, eid Mj‡bi Av‡cwÿK myßZvc 3.36  105 J kg–1 Ges cvwbi Av‡cwÿK Zvc 4200 Jkg–1 k –1 . [Xv. †ev. 22] (K) ZvcMwZwe` ̈vi wØZxq m~ÎwU wee„Z Ki| (L) mgAvqZb cÖwμqvq KvR k~b ̈ †Kb? e ̈vL ̈v `vI| (M) eid LÐwU KZ D”PZv †_‡K †djv n‡qwQj? DËi: 62337.662 m (N) eid Mjb Ges eidMjv cvwbi ZvcgvÎv e„w× †Kvb †ÿ‡Î cwi‡e‡ki Dci AwaK cÖfve co‡e? GbUawci Av‡jv‡K e ̈vL ̈v Ki| DËi: eid Mj‡b cwi‡e‡ki Dci AwaK cÖfve co‡e| 11| GKwU Kv‡b©v BwÄb 500 k ZvcgvÎvq Drm †_‡K 1250 J Zvc MÖnY K‡i Ges Zvc MÖvn‡K 700 J Zvc eR©b K‡i| Bwćbi Zvc Drm I ZvcMÖvnK Df‡qiB Zvckw3i cwieZ©b mv‡c‡ÿ Bwćbi `ÿZv 20% e„w× Kiv m¤¢e| [g. †ev. 22] (K) Af ̈šÍixY kw3 Kv‡K e‡j? (L) ÔDòZvwgwZ c`v_© wnmv‡e cvi` e ̈envi myweavRbKÕÑ e ̈vL ̈v Ki| (M) Zvc MÖvn‡Ki ZvcgvÎv wbY©q Ki| DËi: 280 K| (N) DÏxc‡Ki BwÄbwUi `ÿZv e„w× Kiv msμvšÍ Z_ ̈wU MvwYwZKfv‡e we‡kølY Ki| DËi: Dr‡mi ZvcgvÎv 694.444 J e„w× K‡i ev MÖvn‡Ki ZvcgvÎv 250 J n«vm K‡i `ÿZv e„w× Kiv m¤¢e| 12| [g. †ev. 22] P(atm) 500 1000 V(m3 ) 5.27 A 4 2 B D 1 atm = 105 Nm–2  = 1.4 D we›`y‡Z ZvcgvÎv = 330 K   (K) Zwor Pz¤^Kxq Zi1⁄2 Kx? (L) †iW‡bi Aa©vqy 2.83 w`b ej‡Z Kx eyS? (M) DB ms‡KvP‡b K...ZKv‡Ri gvb wbY©q Ki| DËi: 1.386  108 J (N) DB Ges DA c‡_ GKB cwigvY ms‡KvP‡b `ywU †j‡Li Rb ̈ ZvcgvÎv GK bq †Kb? MvwYwZKfv‡e we‡kølY Ki| DËi: Dfq‡ÿ‡Î GKB cwigvY ms‡KvP‡bi Rb ̈ ZvcgvÎv GK bq| 13| Zvc mycwievnx I Acwievnx c`v‡_©i •Zwi `ywU Nl©Ynxb wc÷bhy3 wmwjÛv‡i 3  105 Pa Pv‡c I 750 K ZvcgvÎvq 1 mol bvB‡Uav‡Rb M ̈vm Av‡Q| AZtci Dfq wmwjÛv‡i Pv‡ci cwigvY A‡a©K Kiv n‡jv| bvB‡Uav‡R‡bi †ÿ‡Î  = 1.4 Ges R = 8.31 Jmol–1K –1 . [P. †ev. 22] (K) cvwbi •Îa we›`y Kv‡K e‡j? (L) CV < CP †Kb? e ̈vL ̈v Ki| (M) Acwievnx wmwjÛv‡ii P~ovšÍ ZvcgvÎv wbY©q Ki| DËi: 615.252 K| (N) wmwjÛvi؇qi g‡a ̈ K...Z Kv‡Ri Zzjbv Ki| DËi: mycwievnx wmwjÛv‡ii K...ZKv‡Ri cwigvY †ewk| 14| GKRb dzUejvi Abykxjb Kivi mgq nVvr jÿ ̈ Kij †h, dzUejwU †d‡U evZvm †ei n‡”Q| †m AviI jÿ ̈ Kij †h, dzUej †_‡K †h evZvm †ei n‡”Q Zv cvwicvwk¦©‡Ki Zzjbvq Dò| dzUe‡ji Af ̈šÍi ̄’ evqyi ZvcgvÎv 27C, evqyi Pvc 2 atm, evqyi AvqZb 1 m3 Ges  = 1.4 wQj| [wm. †ev. 22] (K) GbUawc Kx? (L) iƒ×Zvc cÖwμqvq M ̈vm‡K msbwgZ Ki‡j M ̈v‡mi ZvcgvÎv e„w× cvq †Kb? e ̈vL ̈v Ki| (M) dzUej †_‡K wbM©Z evqyi P~ovšÍ AvqZb wbY©q Ki| DËi: 1.641 m3 (N) DÏxc‡Ki dzUe‡ji wfZi †_‡K wbM©Z evZvm cvwicvwk¦©‡Ki Zzjbvq Mig nIqvi KviY Kx? MvwYwZKfv‡e we‡kølYc~e©K e ̈vL ̈v Ki| DËi: iæ×Zvcxq cÖwμqvq dzUej †_‡K wbM©Z evZv‡mi ZvcgvÎv †ewk nIqvq Zv cwicvwk¦©K Gi Zzjbvq Mig nq| 15| `yÕwU Zvc BwÄb 400 K Ges 800 K ZvcgvÎvi e ̈eav‡b Kvh©Ki| BwÄb `yÕwU‡Z e ̈eüZ R¡vjvbxi Av‡cwÿK Zvc h_vμ‡g 2000 JKg–1K –1 Ges 1500 JKg–1K –1 | BwÄb `yÕwU‡Z 10 gm f‡ii wfbœ Kvh©Ki c`v_© e ̈envi Kiv n‡q‡Q| [wm. †ev. 22] (K) •Îa we›`y Kv‡K e‡j? (L) ÒGbUawci cwieZ©b me©`v abvZ¥KÓÑ e ̈vL ̈v Ki| (M) cÖ_g Bwćbi `ÿZv 10% evov‡Z n‡j Dr‡mi ZvcgvÎv KZ evov‡Z n‡e? DËi: 200 K (N) DÏxc‡Ki Av‡jv‡K †Kvb BwÄbwU †ewk cwi‡ekevÜe n‡e? †Zvgvi gZvgZ MvwYwZKfv‡e we‡kølY Ki| DËi: 2q BwÄbwU †ewk cwi‡ek evÜe n‡e| 16| 327C ZvcgvÎvi 1 †gvj M ̈vm Øviv GKwU Kv‡b©v BwÄb KvR m¤úv`b Ki‡Q| Kv‡b©v P‡μi cÖwZwU av‡c ms‡KvPb ev cÖmvi‡Yi AbycvZ 1 : 6| (mve©Rbxb M ̈vm aaæeK R = 8.31 J mol–1 K –1 Ges  = 1.4) [e. †ev. 22] (K) wm‡÷g Kx? (L) AcÖZ ̈vMvgx cÖwμqv GKwU GKgyLx cÖwμqvÑ e ̈vL ̈v Ki| (M) Bwćbi me©wb¤œ ZvcgvÎv wbY©q Ki| DËi: 293.016 K
4  HSC Physics 2nd Paper Chapter-1 (N) Kv‡b©vi P‡μi m‡gvò cÖmviY I ms‡KvP‡b m¤úvw`Z Kv‡Ri cwigvY GKB n‡e wKbv? MvwYwZKfv‡e hvPvB Ki| DËi: m‡gvò cÖmviY I ms‡KvP‡b m¤úvw`Z Kv‡Ri cwigvY GKB n‡e bv| 17| wb‡Pi wP‡Î Kv‡b©v Bwćbi Kvh©Kix c`v‡_©i PviwU avc †`Lv‡bv n‡jvÑ [Kz. †ev. 22] P(Nm–2 ) V(m3 ) A Q1 = 500J T1 = 1100K B D T2 = 550K C O 4.6×105 (K) Af ̈šÍixY kw3 Kv‡K e‡j? (L) RM‡Zi GbUawc e„w× cv‡”QÑ e ̈vL ̈v Ki| (M) C we›`y‡Z Pvc wbY©q Ki| DËi: 4068.64 atm. (N) cÖwZwU av‡c GbUawc wnmve K‡i BwÄbwUi cÖZ ̈vMvwgZv wK hvPvB Kiv m¤¢e? MvwYwZK we‡kølYc~e©K gZvgZ `vI| DËi: BwÄbwU cÖZ ̈vMvgx| 18| wP‡Î 1 gm cvwb Zij n‡Z ev®úxf~Z nevi `ywU ̄Íi †`qv Av‡Q| D we›`y‡Z ev‡®úi AvqZb 1700 CC| (cvwbi Av‡cwÿK Zvc 4200 Jkg–1K –1 ) [Kz. †ev. 22] D 50C 100C A B Zvc (J) ZvcgvÎv (C) (K) ZvcMwZwe` ̈vi k~b ̈Zg m~ÎwU wjL| (L) Kv‡b©vi Bwćb wØZxq av‡c ZvcgvÎv n«vm N‡U †Kb? (M) AB c‡_ G›Uawci cwieZ©b wbY©q Ki| DËi: 7.022 J/K (N) BD c‡_ AšÍt ̄’ kw3 wbY©q Kiv m¤¢eÑ MvwYwZKfv‡e hvPvB Ki| DËi: BD c‡_ AšÍt ̄’ kw3 81.906 J| 19| [w`. †ev. 22] P(atm) 10 20 V(Litre) 5.28 C 4 2 B A    wP‡Î P–V †jLwPÎ Øviv GKwU Pμxq cÖwμqv †`Lv‡bv n‡q‡Q| GLv‡b, A we›`y‡Z ZvcgvÎv = 300 K w ̄’i AvqZ‡b †gvjvi AvšÍtZvc = 20.78 Jmol–1K –1 †gvj msL ̈v = 1.6  = 1.4 Ges 1 atm = 105Nm–2 (K) AšÍt ̄’ kw3i msÁv `vI| (L) Kv‡b©vi Bwćbi Kvh©wbe©vnK e ̄‘ cwieZ©b Ki‡j H Bwćbi `ÿZvi †Kv‡bviƒc cwieZ©b n‡e bv †Kb? e ̈vL ̈v Ki| (M) AB c‡_ K...Z Kv‡Ri gvb wbY©q Ki| DËi:–2766.156 J| (N) DÏxc‡Ki Pμxq cÖwμqvq G›Uawci cwieZ©b k~b ̈ n‡e wKbvÑ MvwYwZK we‡køl‡Yi mvnv‡h ̈ gZvgZ `vI| DËi: G›Uawci cwieZ©b k~b ̈ n‡e| 20| wb‡¤œi P–V wb‡`©kK wP‡Î GKwU Kv‡b©v P‡μ Kvh©Ki c`v_© Øviv m¤úvw`Z KvR †`Lv‡bv n‡jv: [h. †ev. 22] A (V1 = 3×10–3m 3 , P1 ) X Pvc (P) Y AvqZb (V) T1 = 500K B (V2 = 6×10–3m 3 , P2 )  = 1.4 n = 2 mole D(V4 , P4 ) T2 = 300K C(V3 , P3 ) (K) AcÖZ ̈veZ©x cÖwμqv Kv‡K e‡j? (L) wek¦RMr μ‡g μ‡g Zvcxq g„Zy ̈i w`‡K GwM‡q Pj‡QÑ e ̈vL ̈v Ki| (M) C we›`y‡Z AvqZb wbY©q Ki| DËi: VC = 21.5 × 10–3 m 3 (N) AB Ges BC ch©v‡q K...ZKvR mgvb n‡e wKbvÑ MvwYwZKfv‡e hvPvB Ki| DËi: WAB  WBC 21| wmqvg 1 kg eid‡K –10C ZvcgvÎv n‡Z 30C ZvcgvÎvi cvwb‡Z cwiYZ K‡i| mvwgi 30C ZvcgvÎvi 1 kg cvwb‡K 100C ZvcgvÎvi ev‡®ú cwiYZ K‡i| wmqvg `vwe Kij Zvi cÖwμqvwU †ewk k„•Lj| (Sw = 4200 Jkg–1K –1 , Lf = 3.36 × 105 Jkg–1 , Sice = 2100 Jkg–1K –1 Ges Lv = 2.26 × 106 Jkg–1 ) [h. †ev. 22] (K) ZvcMwZwe` ̈vi cÖ_g m~Î wee„Z Ki| (L) iæ×Zvcxq cÖmviY Ges ms‡KvP‡b AšÍt ̄’ kw3i cwieZ©b e ̈vL ̈v Ki| (M) mvwg‡ii cÖwμqvq †gvU cÖ‡qvRbxq Zvc wbY©q Ki| DËi: 2554000 J| (N) wmqv‡gi `vwe mwVK wK bvÑ MvwYwZK we‡køl‡Yi gva ̈‡g hvPvB Ki| DËi: wmqv‡gi `vwe mwVK| 22| Av`k© ZvcgvÎv I Pv‡c GKwU wmwjÛv‡i GK †gvj wnwjqvg M ̈vm ivLv Av‡Q| cieZ©x‡Z D3 wnwjqv‡gi AvqZb cÖ_‡g m‡gvò cÖwμqvq Ges c‡i iæ×Zvcxq cÖwμqvq 1.5 ̧Y Kiv n‡jv| [iv. †ev. 22] (K) ZvcMwZwe` ̈vi cÖ_g m~Î wee„Z Ki| (L) cÖvšÍxq wefe eZ©bxi Zwor PvjK ej A‡cÿv †QvU nq †Kb? e ̈vL ̈v Ki| (M) iæ×Zvcxq cÖwμqvq M ̈vmwUi P~ovšÍ Pvc wbY©q Ki| DËi: P2 = 51480.67 Pa

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