Tiêu đề আদর্শ গ্যাস ও গ্যাসের গতিতত্ত্ব ✅

Av`k© M ̈vm I M ̈v‡mi MwZZË¡  Final Revision Batch 1 `kg Aa ̈vq Av`k© M ̈vm I M ̈v‡mi MwZZË¡ Ideal Gas and Kinetics of Gases Topicwise CQ Trend Analysis UwcK 2016 2017 2018 2019 2021 2022 2023 †gvU e‡q‡ji m~Î Ñ 1 2 2 6 3 4 18 Pvj©‡mi m~Î Ñ 1 Ñ 1 Ñ Ñ Ñ 2 Pvcxq m~Î Ñ Ñ Ñ Ñ Ñ 1 Ñ 1 A ̈v‡fv‡M‡Wavi m~Î Ñ Ñ Ñ Ñ Ñ Ñ Ñ Ñ M ̈v‡mi mgš^q m~Î 1 1 Ñ 2 Ñ Ñ 1 5 Mo gy3c_ 1 1 Ñ Ñ Ñ 2 Ñ 4 Av`k© M ̈vm m~Î Ñ 1 Ñ 1 Ñ 1 1 4 M ̈v‡mi MwZZ‡Ë¡i m~Î Ñ Ñ Ñ Ñ Ñ 3 Ñ 3 M ̈vm AYyi eM©g~j Mo eM©‡eM 2 1 Ñ 1 wm‡jev‡m †bB 5 1 10 M ̈v‡mi MwZkw3 2 1 5 5 6 4 23 ̄^vaxbZvi gvÎv Ñ Ñ Ñ Ñ Ñ 2 Ñ 2 Rjxq ev®ú I evqyi Pv‡ci m¤úK© Ñ 1 1 1 Ñ Ñ Ñ 3 wkwkivsK I Av‡cwÿK Av`a©Zv 4 3 1 Ñ 8 5 9 30 * we.`a.: 2020 mv‡j GBPGmwm cixÿv AbywôZ nqwb, 2021 mv‡j kU© wm‡jev‡m Aa ̈vqwU AšÍfz©3 wQjbv| weMZ mv‡j †ev‡W© Avmv m„Rbkxj cÖkœ 1| MÖx‡®§i †Kv‡bv GKw`‡bi cÖPÐ Zvc`v‡n wgwg I Zvi mncvVx cixÿvMv‡i GKwU wmwjÛv‡i 1000 gm wg‡_b M ̈vm wb‡q cixÿv KiwQj hvi AvYweK fi 16 gmmol –1 | AvenvIqvi GB Ae ̄’vi †cÖwÿ‡Z wkÿK QvÎ-QvÎx‡`i ej‡jb, †Kv‡bv ̄’v‡b Av‡cwÿK Av`a©Zv 70% AwZμg Ki‡jB e„wó nIqvi m¤¢vebv _v‡K| H ̄’v‡bi wkwkiv1⁄4 12.5C Ges evqyi ZvcgvÎv 20.6C| 12C, 13C, 20C I 21C ZvcgvÎvq m¤ú„3 Rjxqev®ú Pvc h_vμ‡g 10.85 mmHg, 14.5 mmHg, 18.5 mmHg I 20.55 mmHg| [Xv. †ev. 23] (K) w ̄’wZ ̄’vcK mxgv Kx? (L) c~Y© `„p e ̄‘i cxob I weK...wZ †jLwPÎ AsKb K‡i cÖK...wZ e ̈vL ̈v K‡iv| (M) wmwjÛv‡i iwÿZ wg‡_b M ̈v‡mi MwZkw3 wbY©q K‡iv| DËi: 228.84 kJ (N) DÏxc‡Ki H ̄’v‡b H w`b e„wó nIqvi m¤¢vebv Av‡Q wK bv MvwYwZK we‡køl‡Yi Av‡jv‡K e ̈vL ̈v K‡iv| DËi: Av‡cwÿK Av`a©Zv, R = 64.242% Av‡cwÿK Av`a©Zv 70% Gi Kg nIqvq e„wói m¤¢vebv †bB| 2| GKwU jeYv3 mvMi c„‡ô 27C ZvcgvÎvq wnwjqvg M ̈vm Øviv GKwU M ̈vm †ejyb c~Y© Kiv n‡jv| GKw`b hLb H †ejybwU jeYv3 cvwbi wb‡P 10C ZvcgvÎvq ivLv n‡jv ZLb Gi e ̈vm mvMi c„‡ôi gv‡bi A‡a©K cvIqv †Mj| Avevi hLb †ejybwU‡K GKB MfxiZvi GKwU †j‡Ki cvwbi wb‡P ivLv n‡jv ZLb e ̈vm Gi c„ô‡`‡ki gv‡bi wZb-PZz_©vsk cvIqv †Mj| †evjR&g ̈vb aaæeK 1.38 × 10–23 JK–1 Ges c„ô‡`‡k Pvc 105 Pa g‡b K‡iv, †j‡Ki me©Î ZvcgvÎv mgvb| [iv. †ev. 23] (K) Av`k© M ̈vm Kv‡K e‡j? (L) kx‡Zi mKv‡j wkwki †`Lv hvq †Kb? (M) †j‡Ki cvwb‡Z 5 m Mfx‡i †ejybwUi AvqZb wbY©q K‡iv| DËi: 5 m MfxiZvq †ejybwUi AvqZb c„‡ôi AvqZ‡bi 0.671 ̧Y n‡e| (Ans.) (N) hw` MfxiZv 5 m nq Z‡e mvMi I †jK Dfq †ÿ‡Î †ejy‡bi AvqZb mgvb n‡e wK? MvwYwZKfv‡e we‡kølY Ki| DËi: V2 = 0.668 V1 ; V 2 = 0.6711 V1 A_©vr mvMi I †jK Dfq‡ÿ‡Î †ejy‡bi AvqZb mgvb n‡e bv| 3| ̄^vfvweK ZvcgvÎv I Pv‡c GKwU †Lvjv wjUvi d¬v‡ ̄‹i g‡a ̈ 1.32  10–3 kg bvB‡Uav‡Rb M ̈vm _vK‡Z cv‡i| 90C ZvcgvÎvi Mig cvwb Øviv d¬v ̄‹wU Aa©c~Y© Kiv n‡j M ̈vm cvwbi mv‡_ Zvcxq mvg ̈ve ̄’vq _v‡K| [Kz. †ev. 23] (K) m¤ú„3 ev®úPvc Kv‡K e‡j? (L) el©vKv‡j †fvR Kvco †`wi‡Z ïKvq †Kb? (M) cvwbi ZvcgvÎvq GKwU bvB‡Uav‡Rb AYyi MwZkw3 wbY©q K‡iv| DËi: 7.5141  10–21 J (N) Mig cvwb Øviv Aa©c~Y© Kivi ci c~‡e©i A‡a©K cwigvY M ̈vm aviY Ki‡e bvÑ Dw3wUi h_v_©Zv hvPvB K‡iv| DËi: W = 4.7  10–4 kg Mig cvwb Øviv Aa©c~Y© Kivi ci, c~‡e©i A‡a©K Gi †P‡q Kg cwigvY M ̈vm aviY Ki‡e|
2  HSC Physics 1st Paper Chapter-10 4| †Kv‡bv ̄’v‡b GKRb Wzeyix Aw·‡Rb wmwjÛvi Qvov 5 m Mfxi ch©šÍ cvwbi wb‡P AbymÜvb Ki‡Z cv‡i| H ̄’v‡bi cvwbi DcwiZ‡j 105 Pa Pv‡c evqy fwZ© GKwU †ejy‡bi AvqZb 10–3 m 3 | †ejybwU ILv‡b wbgw3⁄4Z Ki‡j †Kv‡bv GK RvqMvq AvqZb nq 4 × 10–4 m 3 | cvwbi NbZ¡ = 103 kgm–3 AwfKl©R Z¡iY = 9.8 ms –3 [h. †ev. 23] (K) cqm‡bi AbycvZ Kx? (L) †Kv‡bv ̄’v‡bi Av‡cwÿK Av`a©Zv 50% ej‡Z Kx eyS? e ̈vL ̈v Ki| (M) cvwbi DcwiZ‡j †ejy‡bi g‡a ̈ M ̈v‡mi MwZkw3 wbY©q Ki| DËi: †ejy‡bi g‡a ̈ M ̈v‡mi MwZkw3 150 J| (N) †hLv‡b †ejy‡bi AvqZb 4 × 10–4 m 3 nq †mLv‡b Wzeyix Aw·‡Rb wmwjÛvi Qvov AbymÜvb Kvh© m¤úv`b Ki‡Z cvi‡e wK? MvwYwZK we‡kølYc~e©K gZvgZ cÖ`vb Ki| DËi: h = 15.306 m †hLv‡b †ejy‡bi AvqZb 4  10–4 m 3 †mLv‡b Wzeyix Aw·‡Rb wmwjÛv‡i Qvov AbymÜvb Kvh©m¤úv`b Ki‡Z cvi‡e bv| 5| †Kv‡bv ̄’v‡bi evqyi ZvcgvÎv 20C Ges wkwkiv1⁄4 7.4C| evqyi ZvcgvÎv K‡g 16C nj| 7C, 8C Ges 20C ZvcgvÎvq m¤ú„3 Rjxq ev‡®úi Pvc h_vμ‡g 7.53 mm, 8.05 mm I 17.54 mm cvi` Pvc| [h. †ev. 23] (K) Mogy3 c_ Kv‡K e‡j? (L) M ̈v‡mi AYy ̧‡jvi Mo MwZkw3 M ̈v‡mi cig ZvcgvÎvi mgvbycvwZKÑe ̈vL ̈v Ki| (M) DÏxc‡K H ̄’v‡bi Av‡cwÿK Av`a©Zv KZ? DËi: H ̄’v‡bi Av‡cwÿK Av`a©Zv 44.11%| (N) Av‡cwÿK Av`a©Zv AcwiewZ©Z †i‡L evqyi ZvcgvÎv Kgvi d‡j wkwkiv‡1⁄4i cwieZ©b n‡e wK? MvwYwZKfv‡e we‡kølY Ki| DËi: bZzb wkwkivs1⁄4 = 6.306C 6| †Kv‡bv GKw`b XvKvi ZvcgvÎv 25C Ges wkwkiv1⁄4 15.7C| H w`b KzqvKvUvq ivLv GKwU wm3 I ïé evj&e Av‡cwÿK Av`a©ZvgvcK h‡š¿ wm3 evj&e _v‡g©vwgUv‡ii ZvcgvÎv 20.1| 25C ZvcgvÎvq †MøBmv‡ii Drcv`K 1.7| 15C, 16C, 20C, 22C I 25C ZvcgvÎvq m¤ú„3 Rjxq ev®úPvc h_vμ‡g 12.8 mmHgP, 13.63 mmHgP, 17.554 mmHgP, 19.83 mmHgP I 23.8 mmHgP| [P. †ev. 23] (K) Pvj©m-Gi m~ÎwU †jL| (L) †Kv‡bv A‡j Kzqvkv †Kb c‡o? e ̈vL ̈v K‡iv| (M) XvKvi Av‡cwÿK Av`a©Zv †ei K‡iv| DËi: Av‡cwÿK Av`a©Zv, R = 56.22% (N) D3 w`‡b XvKv Ges KzqvKvUvi g‡a ̈ †Kvb AÂj †ewk Avivg`vqK? MvwYwZK e ̈vL ̈v K‡iv| DËi: XvKvi Av‡cwÿK Av`a©Zv (56.22%) < KzqvKvUvi Av‡cwÿK Av`a©Zv (59.6%)| XvKvi AvenvIqv KzqvKvUv A‡cÿv AwaK Avivg`vqK| 7| GKRb AvenvIqvwe` •`wbK cÖwZ‡e`b •Zwii Rb ̈ GKw`b XvKv Ges ivRkvnx‡Z ̄’vwcZ `ywU wm3 I ﮋ evj¦ Av`a©Zv gvcK h‡š¿i gva ̈‡g wb‡¤œi DcvË ̧‡jv msMÖn Ki‡jb| [e. †ev. 23] ̄’vb ﮋ evj¦ _v‡g©v : cvV wm3 evj¦ _v‡g©v : cvV evqyi ZvcgvÎvq †MøBmv‡ii Drcv`‡Ki gvb XvKv 28.6C 20C 1.664 ivRkvnx 32.5C 22C 1.625 [14C, 16C, 28C, 30C, 32C Ges 34C ZvcgvÎvq m¤ú„3 Rjxqev‡®úi Pvc h_vμ‡g 11.99, 13.63, 28.35, 31.83, 35.66 Ges 39.90 mm Hg| ̄^v‡ ̄’i Rb ̈ Av‡cwÿK Av`a©Zvi ̄^v”Q›` ̈Ki gvb n‡jv 40% †_‡K 60% ch©šÍ|] (K) Av`a©ZvwgwZ Kv‡K e‡j? (L) GKB ZvcgvÎvq wfbœ wfbœ GK †gvj M ̈v‡mi †ÿ‡Î Mo MwZkw3 aaæe _v‡K wK bv? e ̈vL ̈v Ki| (M) H w`b XvKvi wkwkiv1⁄4 KZ wQj? DËi: XvKvi wkwkiv1⁄4 wQj 14.2896C| (N) DÏxc‡Ki Av‡jv‡K †Kvb e ̈w3 †Kv_vq AwaKZi ̄^w ̄Í †eva Ki‡eb? MvwYwZK we‡kølYc~e©K gZvgZ `vI| DËi: R1 = 41.6% ; R2 = 35.862% XvKvi Av‡cwÿK Av`a©Zv (41.6%) mv”Q›` ̈Ki Av‡cwÿK Av`a©Zvi mxgvi g‡a ̈ _vKvq, XvKvq e ̈w3 AwaKZi ̄^w ̄Í †eva Ki‡eb| 8| `yBRb wkÿv_©x GKwU Øx‡c †eov‡Z w`‡q cvkvcvwk Aew ̄’Z `ywU cyKz‡ii evqy ey`ey` wb¤œiƒc ch©‡eÿY Kij| evqygЇji Pvc = 105 Pa [wm. †ev. 23] cyKz‡ii bvg evqy ey`ey` cvwbi NbZ¡ wgVvcvwbi cyKzi cvwbi Zj‡`k †_‡K DcwiZ‡j Avmvq AvqZb 4 ̧Y nq 1.0  103 kgm–3 jeYv3 cvwbi cyKzi cvwbi Zj‡`k †_‡K DcwiZ‡j Avmvq e ̈vm 2 ̧Y nq 1.1  103 kgm–3 (K) wkwkiv1⁄4 Kx? (L) †Kv‡bv GKwU M ̈v‡mi GKwU AYyi MwZkw3 ZvcgvÎvi mv‡_ Kxfv‡e cwiewZ©Z nqÑ †jLwP‡Îi gva ̈‡g e ̈vL ̈v K‡iv| (M) wgVvcvwbi cyKz‡ii MfxiZv wbY©q K‡iv| DËi: wgVvcvwbi cyKz‡ii MfxiZv 30.6122 m| (N) D3 cyKzi `ywU‡Z cvwbi Zj‡`‡ki Pv‡ci ZviZg ̈ MvwYwZKfv‡e we‡kølY K‡iv| DËi: jeYv3 cvwbi cyKz‡ii Zj‡`‡k Pvc, wgVvcvwbi cyKz‡ii Zj‡`‡ki Pv‡ci 2 ̧Y| 9| †Kv‡bv GKwU cixÿ‡Y LvMovQwo‡Z evqyi ZvcgvÎv 28C wkwkiv1⁄4 7.8C cvIqv †Mj| nVvr •kZ ̈cÖev‡ni d‡j H ̄’v‡bi ZvcgvÎv K‡g 14C n‡j| 7C, 8C Ges 28C ZvcgvÎvq m¤ú„3 Rjxq ev®úPvc h_vμ‡g 7.51, 8.05 Ges 28.35 mm cvi`| [wm. †ev. 23] (K) m¤ú„3 ev®ú Pv‡ci msÁv †jL| (L) M ̈vm I ev‡®úi g‡a ̈ cv_©K ̈ †jL|
Av`k© M ̈vm I M ̈v‡mi MwZZË¡  Final Revision Batch 3 (M) LvMovQwoi Av‡cwÿK Av`a©Zv wbY©q K‡iv| DËi: 28.014% (N) ZvcgvÎvi cwieZ©‡b D3 ̄’v‡bi Ave× evqyi wkwkiv1⁄4 GKB _vK‡e bvwK wfbœ n‡e? MvwYwZK hyw3mn gZvgZ `vI| DËi: ZvcgvÎvi cwieZ©‡b H ̄’v‡bi wkwkiv‡1⁄4i †Kv‡bv cwieZ©b n‡e bv 10| c`v_©weÁvb M‡elYvMv‡i GKRb wkÿv_©x 6.2 × 10–7m 3 AvqZ‡bi 4 kg Aw·‡Rb‡K 0.62 mHg Pvc I 27C ZvcgvÎv †_‡K S.T.P †Z iƒcvšÍi Ki‡jv| cixÿv †k‡l wkÿK gšÍe ̈ Ki‡jb M ̈v‡mi AvqZb I Mo eM©‡e‡Mi eM©g~j DfqB n«vm cvq| [Aw·‡R‡bi AvYweK fi 32 kg Ges mve©Rbxb M ̈vm aaæeK R = 8.31JK–1mol–1 ] [w`. †ev. 23] (K) kw3i mgwefvRb bxwZ wee„Z K‡iv| (L) welye A‡ji AvenvIqv A ̄^w ̄ÍKiÑe ̈vL ̈v Ki| (M) cÖv_wgK Ae ̄’vq Aw·‡R‡bi MwZkw3 wbY©q K‡iv| DËi: 467.4375 kJ (N) DÏxc‡K wkÿ‡Ki gšÍe ̈ mwVK wQj wK? MvwYwZK we‡køl‡Yi mvnv‡h ̈ gšÍe ̈ K‡iv| DËi: c2 = 0.954 c1 wkÿ‡Ki gšÍe ̈ mwVK wQj| 11| GKw`b †Kv‡bv GK ̄’v‡bi wb‡¤œv3 Z_ ̈vw` cvIqv †Mj: N‡ii g‡a ̈: ﮋ evj¦ ZvcgvÎv = 32C Av`a© evj¦ ZvcgvÎv = 28C 32C ZvcgvÎvq †MøBmv‡ii aaæeK = 1.63 24C ZvcgvÎvq m¤ú„3 ev®úPvc = 22.38 mm Hg 26C ZvcgvÎvq m¤ú„3 ev®úPvc = 25.21 mm Hg 32C ZvcgvÎvq m¤ú„3 ev®úPvc = 35.66 mm Hg N‡ii evB‡i: ZvcgvÎv = 14C 14C ZvcgvÎvq m¤ú„3 ev®úPvc = 12.0 mm Hg Av‡cwÿK Av`aZ©v = 80% [Xv. †ev. 22] (K) †KŠwYK fi‡eM Kv‡K e‡j? [4_© Aa ̈vq] (L) cig Av`a©Zv e„w×i mv‡_ AYyi Mo eM©‡eMI e„w× cvqÑ e ̈vL ̈v Ki| (M) N‡ii g‡a ̈ wkwkiv1⁄4 †ei Ki| DËi: N‡ii g‡a ̈ wkwkiv1⁄4 25.48C| (N) H w`b N‡ii evB‡i bv wfZ‡i †fRv Kvco `aæZ ïKv‡e? MvwYwZKfv‡e hvPvB Ki| DËi: R = 68.632% †h‡nZz N‡ii wfZ‡i Av`a©Zv Kg ZvB N‡ii wfZi †fRv Kvco `aæZ ïKv‡e| 12| iscyi AvenvIqv Awdm GKw`b wm3 I ﮋ evj¦ Av`a©Zv gvcK h‡š¿i ﮋ ev‡j¦i cvV 28C I wm3 ev‡j¦i cvV 26C †cj| 28C ZvcgvÎvq †Møwmqv‡ii Drcv`K 1.65| 24C, 25C I 28C ZvcgvÎvq m¤ú„3 ev®úPvc h_vμ‡g 22.38, 24.21 Ges 27.78 mm Hg| Hw`b ewikv‡ji Av‡cwÿK Av`a©Zv wQj 65%| [iv. †ev. 22] (K) kw3i mgwefvRb bxwZ Kx? (L) GKB ZvcgvÎvq XvKv A‡cÿv K·evRv‡i A ̄^w ̄ÍKi Abyf~Z nq †Kb? (M) iscy‡i H w`‡bi wkwkiv1⁄4 KZ? DËi: iscy‡i H w`‡bi wkwkiv1⁄4 24.7C| (N) iscyi I ewikv‡ji g‡a ̈ †Kv_vq wfRv Kvco ZvovZvwo ïKv‡e? MvwYwZKfv‡e hvPvB Ki| DËi: R > R; A_©vr, ewikv‡ji Av‡cwÿK Av`a©Zv iscy‡ii Av‡cwÿK Av`a©Zv †_‡K Kg| ZvB GKwU †fRv Kvco ïKv‡Z w`‡j Zv ewikv‡j ZvovZvwo ïKv‡e| 13| †Kv‡bv GjvKvq GKw`b ﮋ I wm3 evj¦ nvB‡MÖvwgUv‡ii cvV h_vμ‡g 20C Ges 12.8C cvIqv †Mj| 20C ZvcgvÎvq †MøBmv‡ii Drcv`K 1.79| 7C, 8C Ges 20C ZvcgvÎvq m¤ú„3 Rjxq ev®úPvc h_vμ‡g 7.5 × 10–3 mHgP, 8.1 × 10–3 mHgP Ges 17.4 × 10–3 mHgP| [Kz. †ev. 22] (K) ̄^vaxbZvi gvÎv Kv‡K e‡j? (L) cigk~b ̈ ZvcgvÎvq M ̈v‡mi MwZkw3 k~b ̈ nqÑ e ̈vL ̈v Ki| (M) Hw`b D3 GjvKvq wkwkiv1⁄4 wbY©q Ki| DËi: Hw`b D3 GjvKvq wkwkiv1⁄4 7.112C (N) DÏxc‡K DwjøwLZ Hw`‡b D3 GjvKvq AvenvIqv m¤ú‡K© MvwYwZK we‡kølYmn gšÍe ̈ Ki| DËi: Hw`‡b D3 GjvKvq AvenvIqv Zzjbvg~jKfv‡e ﮋ Ges ̄^w ̄ÍKi wQj| 14| †Kv‡bv GKw`b XvKvi ZvcgvÎv 35C Ges Av‡cwÿK Av`a©Zv 50%| GKB w`‡b ivRkvnx‡Z ̄’vwcZ GKwU nvB‡MÖvwgUv‡ii ﮋ evj¦ _v‡g©vwgUv‡ii cvV 25C Ges wm3 evj¦ _v‡g©vwgUv‡ii cvV 19C, [25C ZvcgvÎvq G Gi gvb 1.65| 15C, 16C I 25C ZvcgvÎvq m¤ú„3 Rjxq ev‡®úi Pvc h_vμ‡g 12.77 mm, 13.71 mm, 23.7 mm cvi`] [h. †ev. 22] (K) Mogy3 c_ Kv‡K e‡j? (L) †gNjv ivwÎ wkwki Rgvi Rb ̈ mnvqK bq †Kb? e ̈vL ̈v Ki| (M) ivRkvnxi wkwkiv1⁄4 wbY©q Ki| DËi: ivRkvnxi wkwkiv1⁄4 15.1C (N) DÏxc‡Ki †Kvb ̄’v‡b H w`b †fRv Kvco `aæZ ïKv‡e? MvwYwZK hyw3mn e ̈vL ̈v Ki| DËi: R > R; A_©vr, ivRkvnxi Av‡cwÿK Av`a©Zv XvKvi Av‡cwÿK Av`a©Zv †_‡K †ewk| ZvB Hw`b GKwU †fRv Kvco ïKv‡Z w`‡j Zv XvKv‡Z `aæZ ïKv‡e| 15| 200 gm bvB‡Uav‡Rb M ̈vm fwZ© GKwU †ejyb‡K mgy‡`ai Zj‡`‡k wb‡q hvIqvq AvqZb A‡a©K n‡q †Mj| mgy`a c„‡ôi Pvc 105Nm–2 Ges ZvcgvÎv 30C| mgy‡`ai Zj‡`‡ki ZvcgvÎv 15C| cvwbi NbZ¡ 1000kgm–3 , g = 9.8 ms–2 , R = 8.314 J mol–1K –1 . [h. †ev. 22] (K) Av‡cwÿK Av`a©Zvi msÁv `vI| (L) AvKvk †gNjv _vK‡j wkwki c‡o bv †Kb? e ̈vL ̈v Ki| (M) mgy`a c„‡ô bvB‡Uav‡R‡bi †gvU MwZkw3 wbY©q Ki| DËi: 27 kJ (N) ZvcgvÎvi cwieZ©b we‡ePbvq mgy‡`ai MfxiZv wbY©q Kiv m¤¢e wK? MvwYwZKfv‡e e ̈vL ̈v Ki| DËi: ZvcgvÎvi cwieZ©b we‡ePbvq mgy‡`ai MfxiZv 9.913 m|
4  HSC Physics 1st Paper Chapter-10 16| †Kv‡bv GKw`b KvßvB n«‡`i cvwbi DcwiZ‡j evqyi ZvcgvÎv 28C, evqygÐjxq Pvc 105 Pa Ges wkwkiv1⁄4 10.5C| n«‡`i Zj‡`‡ki cvwbi ZvcgvÎv 7C Ges cvwbi Mo NbZ¡ 1000 kgm–3 | Hw`b n«`wUi Zj‡`k n‡Z GKwU evqy ey`ey` cvwbi DcwiZ‡j D‡V Avmvq Gi e ̈vmv`© wZb ̧Y n‡jv| [10C, 11C I 28C ZvcgvÎvq m¤ú„3 ev®úPvc h_vμ‡g 9.2, 9.9 I 28.5 mm cvi` Pvc] [P. †ev. 22] (K) M ̈v‡mi †ÿ‡Î e‡q‡ji m~Î wee„Z Ki| (L) M ̈v‡mi ZvcgvÎvi mv‡_ Nb‡Z¡i cwieZ©b e ̈vL ̈v Ki| (M) Hw`b n«‡`i DcwiZ‡ji evqyi Av‡cwÿK Av`a©Zv wbY©q Ki| DËi: KvßvB n«‡`i DcwiZ‡ji evqyi Av‡cwÿK Av`a©Zv 33.5%| (N) ZvcgvÎvi cwieZ©b we‡ePbvq wb‡q n«`wUi MfxiZv wbY©q Kiv m¤¢e? Ñ MvwYwZKfv‡e we‡kølY Ki| DËi: ZvcgvÎvi cwieZ©b we‡ePbvq n«‡`i MfxiZv wbY©q Kiv m¤¢e| 17| †Kv‡bv GKwU cixÿ‡Y wgVvgvB‡bi Ave× evqyi ZvcgvÎv 19C Ges Av‡cwÿK Av`a©Zv 47%| •kZ ̈ cÖev‡n H ̄’v‡bi ZvcgvÎv K‡g 15C n‡jv| 7C, 8C I 19C ZvcgvÎv m¤ú„3 Rjxq ev®úPvc h_vμ‡g 7.5, 8.2 Ges 16.5 mm cvi` Pv‡ci mgvb| [e. †ev. 22] (K) ev ̄Íe M ̈vm Kx? (L) VvÐv cvwbi Rb ̈ wcZ‡ji Kjmx Ges gvwUi Kjmxi g‡a ̈ †KvbwU †ewk Dc‡hvMx? e ̈vL ̈v Ki| (M) ZvcgvÎv 5C G †b‡g †M‡j Nbxf~Z Rjxq ev‡®úi cwigvY wbY©q Ki| DËi: ZvcgvÎv 5C G †b‡g G‡j 21.341% Rjxqev®ú Nbxf‚Z n‡e| (N) ZvcgvÎv cwieZ©‡bi Kvi‡Y H ̄’v‡bi Ave× evqyi wkwkiv‡1⁄4i †Kv‡bv cwieZ©b n‡e wKbv? MvwYwZK we‡køl‡Yi gva ̈‡g †`LvI| 18| 4 × 10–2m 3 AvqZ‡bi wmwjÛv‡i 300K ZvcgvÎvq I 2.5 × 105Nm–2 Pv‡c Aw·‡Rb M ̈vm fwZ© Kiv Av‡Q| ZvcgvÎv AcwiewZ©Z †i‡L wKQz cwigvY Aw·‡Rb e ̈envi Kivi ci Pvc 1.3 × 105 Nm–2 cvIqv †Mj| Aw·‡R‡bi AvYweK fi 32gmol–1 | [wm. †ev. 22] (K) mij Qw›`Z MwZ Kv‡K e‡j? [8g Aa ̈vq] (L) kxZKv‡j †`vjK Nwoi †`vjbKvj wKiƒc n‡e? e ̈vL ̈v Ki| [8g Aa ̈vq] (M) DÏxc‡Ki ewY©Z Aw·‡Rb M ̈vm e ̈env‡ii c~‡e© Gi AYy ̧‡jvi g~j Mo eM©‡eM KZ wQj wbY©q Ki| DËi: 483.561 ms–1 (N) DÏxc‡Ki eY©bvg‡Z †h cwigvY Aw·‡Rb M ̈vm e ̈eüZ n‡q‡Q Zv wbY©q m¤¢e wK? MvwYwZK we‡kølY `vI| DËi: e ̈eüZ Aw·‡Rb M ̈v‡mi cwigvY 61.582 g| 19| bvB‡Uav‡Rb M ̈vm Øviv GKwU cvÎ 20 atm Pv‡c 27C ZvcgvÎvq fwZ© Kiv nj| Gici A‡a©K f‡ii M ̈vm †ei K‡i †`qv nj Ges Aewkó M ̈v‡mi ZvcgvÎv 87C G evov‡bv nj| [w`. †ev. 22] (K) cig Av`a©Zv Kv‡K e‡j? (L) evqy‡Z Rjxq ev‡®úi cwigvY †e‡o †M‡j evqygÐjxq Pv‡ci Kxiƒc cwieZ©b nq? e ̈vL ̈v Ki| (M) cÖv_wgK Ae ̄’vq bvB‡Uav‡Rb M ̈v‡mi AYy ̧‡jvi g~j Mo eM©‡eM wbY©q Ki| DËi: 516.948 ms–1 | (N) cwiewZ©Z Ae ̄’vq M ̈v‡mi Pvc c~‡e©i Pv‡ci †P‡q Kg bv †ewk n‡e? MvwYwZK we‡kølYc~e©K gZvgZ `vI| DËi: P2 = 12 atm cwiewZ©Z Ae ̄’vq M ̈v‡mi Pvc c~‡e©i Pv‡ci †P‡q Kg n‡e| 20| †Kvb GKw`b `ycy‡ii ZvcgvÎv 30C Ges Av`a©Zv 80%| †n‡jb evmvq AC Pvjy Kivq ZvcgvÎv 21C †b‡g Gj| †mw`b wkwkiv1⁄4 wQj 9.5C| [30C, 21C, 9C I 10C ZvcgvÎvq m¤ú„3 Rjxq ev®ú Pvc h_vμ‡g 28.02 mm, 20.35 mm, 8.91 mm I 9.2 mm HgP.] [g. †ev. 22] (K) wkwkiv1⁄4 Kx? (L) Ave× ̄’v‡b ZvcgvÎv e„wׇZ wkwkiv1⁄4 K‡g bv ev‡o? e ̈vL ̈v Ki| (M) ZvcgvÎv †b‡g Avmvq evqy ̄’ Rjxq ev‡®úi KZ Ask Nbxf~Z nq? wbY©q Ki| DËi: evqy ̄’ Rjxqev‡®úi 9.216% Nbxf~Z nq| (N) †n‡jb AC Pvjy Kivq Avivg †iva Ki‡e †Kb? MvwYwZK e ̈vL ̈v Ki| DËi: Av‡cwÿK Av`a©Zv, R = 44.5% †n‡jb AC Pvjy Kivq N‡ii Av‡cwÿK Av`a©Zv n«vm cvq, GRb ̈ AC Pvjy Kivq †m Avivg‡eva Ki‡e| 21| GKwU evqy ey`ey` n«‡`i Zj‡`k n‡Z cvwbi Dcwic„‡ô Avm‡j Gi AvqZb wØ ̧Y nq| evqyi Pvc = 1.01 × 105 Pa. [Xv. †ev. 21] (K) cÖZ ̈qbx ej Kx? [5g Aa ̈vq] (L) N~Y©bÿg †Kv‡bv e ̄‘i RoZvi åvgK †ewk n‡j Kx nq? e ̈vL ̈v Ki| [4_© Aa ̈vq] (M) n«‡`i MfxiZv wbY©q Ki| DËi: n«‡`i MfxiZv 10.306 m| (N) hw` n«‡`i MfxiZv 55 mm nq Z‡e 2 cm e ̈vmv‡a©i evqy ey`ey` n«‡`i Zj‡`k n‡Z c„‡ô Avm‡j Bnvi AvqZ‡bi wK cwieZ©b n‡e? MvwYwZKfv‡e we‡kølY Ki| DËi: ey`ey‡`i AvqZb 0.5336% e„w× cv‡e| 22| †Kv‡bv GK ̄’v‡b nvB‡MÖvwgUv‡ii ﮋ ev‡j¦i ZvcgvÎv 24C Ges wkwkiv1⁄4 11.5C| 24C, 12C Ges 11C ZvcgvÎvq m¤ú„3 Rjxq ev®úPvc h_vμ‡g 22.38 × 10–3 m, 10.52 × 10–3 m Ges 9.9 × 10–3 m cvi` Pvc| 24C ZvcgvÎvq †MøBmv‡ii Drcv`K 1.72| [Xv. †ev. 21] (K) w ̄úas aaæeK Kv‡K e‡j? [5g Aa ̈vq] (L) k~b ̈ KvR e ̈vL ̈v Ki| [5g Aa ̈vq] (M) D3 ̄’v‡b wm3 ev‡j¦i cvV KZ? wbY©q Ki| DËi: D3 ̄’v‡b wm3 ev‡j¦i cvV 16.73C (N) DwjøwLZ ̄’v‡b MvwYwZK we‡køl‡Yi gva ̈‡g Av‡cwÿK Av`a©Zv wbY©qc~e©K AvenIqv m¤ú‡K© gšÍe ̈ Ki| DËi: Av‡cwÿK Av`a©Zv 50% Gi †P‡q Kg; myZivs AvenvIqv ﮋ _vK‡e|