Tiêu đề 3. P1C3 HSC Prep Papers গতিবিদ্যা (Without Solve) .pdf ✅

MwZwe` ̈v  HSC Prep Papers 1 MwZwe` ̈v Dynamics Z...Zxq Aa ̈vq Topicwise CQ Trend Analysis UwcK 2015 2016 2017 2018 2019 †gvU AwZμvšÍ `~iZ¡ I Mo‡eM msμvšÍ 2 1 2 1 1 7 †eM ebvg mgq †jLwPÎ Ñ 1 2 Ñ 1 4 Ae ̄’vb ebvg mgq †jLwPÎ Ñ 1 1 Ñ 1 3 cošÍ e ̄‘ 1 1 Ñ Ñ 1 3 wbw`©ó mg‡q cÖv‡mi †eM 4 3 4 1 7 19 Avbyf‚wgK cvjøv msμvšÍ 3 4 2 Ñ 2 11 DÇqbKvj msμvšÍ 2 4 3 Ñ 3 12 e„ËvKvi MwZ I †K›`agyLx Z¡iY Ñ Ñ 1 Ñ 2 3 *we.`a.: 2020-24 mvj ch©šÍ MwZwe` ̈v mswÿß wm‡jevm Gi AvIZvfz3 wQj bv| ̧iæZ¡c~Y© m„Rbkxj cÖ‡kœvËi 1| wμ‡KU †Ljvi gv‡V wicb e ̈vU w`‡q ej‡K AvNvZ Kivq ejwU 30 m/s †eM cÖvß nq Ges m‡e©v”P Avbyf‚wgK `~iZ¡ AwZμg K‡i| m‡1⁄2 m‡1⁄2 GKRb wdìvi K ̈vP aivi Rb ̈ 10 m/s †e‡M †`.o ïiæ K‡i Ges 40 m AwZμg K‡i| [g = 9.8 m/s2 ] (K) cÖv‡mi cvjøv Kx? [Xv. †ev. 19] (L) cÖv‡mi †ÿ‡Î †Kvb mg‡q †eM m‡e©v”P n‡e? e ̈vL ̈v `vI| [Xv. †ev. 19] (M) 2 s c‡i ejwUi †eM KZ? [Xv. †ev. 19] DËi: 21.27 ms–1 (N) ejwU gvwU‡Z covi Av‡M wdìvi K ̈vP ai‡Z †c‡i‡Q wKÑ bv? MvwYwZKfv‡e we‡køl‡Yi gva ̈‡g gZvgZ `vI| [Xv. †ev. 19] 2| †jLwP‡Î GKwU Mvwoi hvÎvKvjxb cÖ_g 10 wgwb‡U †e‡Mi cwieZ©b †`Lv‡bv n‡q‡Q| A B C 0 2 4 6 8 10 t(min) v (m/s) 20 15 10 5 (K) †K›`agyLx Z¡i‡Yi †f±i iƒcwU †jL| [iv. †ev. 19] (L) evqycÖevn bv _vK‡jI GKRb mvB‡Kj Av‡ivnx evZv‡mi SvcUv Abyfe K‡ib †Kb? e ̈vL ̈v K‡iv| [iv. †ev. 19] (M) Mo †e‡Mi †fŠZ msÁvbyhvqx MvwowUi MwZKvjxb cÖ_g Pvi wgwb‡U Mo †eM wbY©q K‡iv| [iv. †ev. 19] DËi: 7.5 ms1 (N) ÔMvwowUi 10 wgwb‡U AwZμvšÍ `~iZ¡ †jLwP‡Îi AšÍfz©3 †ÿ‡Îi †ÿÎd‡ji mgvbÕÑ Dw3wUi h_v_©Zv MvwYwZKfv‡e we‡kølY K‡iv| [iv. †ev. 19] 3| GKwU evm Pj‡Z ïiæ Kivi mv‡_ mv‡_ ev‡mi 16m wcQb †_‡K GKRb hvÎx evmwU aivi Rb ̈ †`u.o †`q| hvÎx I ev‡mi mgq ebvg †eM †jLwPÎ wb‡P †`Iqv nj: 0 1 3 6 mgq (s)  †eM (ms 1 ) 10 8 6 4 2 2 4 5 6 wPÎ: ev‡mi †eM ebvg mgq †jLwPÎ 0 1 3 6 mgq (s)  †eM (ms 1 ) 10 8 6 4 2 2 4 5 6 wPÎ: hvÎxi †eM ebvg mgq †jLwPÎ (K) j¤^ Z¡iY Kv‡K e‡j? (L) cÖwZcv`b Ki   =    r  (M) evmwU KZ...©K 4 s-G AwZμvšÍ `~iZ¡ wbY©q K‡iv| [Kz. †ev. 19] DËi: 16 m (N) DÏxc‡Ki hvÎx evmwU ai‡Z cvi‡e wK? MvwYwZK we‡kølYmn gZvgZ `vI| [Kz. †ev. 19] 4| weÁvb †gjv‡K AvKl©Yxq Kivi Rb ̈ cÖ‡ekc‡_i `yÕcv‡k cvwbi †dvqviv ̄’vcb Kiv n‡jv| Zv‡`i g‡a ̈ GKwUi cvwbi †dvuUv ̧‡jv 5 ms1 †e‡M Ges 60° †Kv‡Y Qwo‡q co‡Q| Aci †dvqvivi cvwbi †duvUv ̧‡jv 6ms1 †e‡M Ges 30° ‡Kv‡Y Qwo‡q co‡Q| (K) cÖ‡ÿcK Kv‡K e‡j ? [P. †ev.19] (L) e„ËKvi Ua ̈v‡K †Kv‡bv †`uŠowe` mg‡e‡M †`Šov‡Z cv‡i bv †Kb? e ̈vL ̈v K‡iv| [P. †ev.19] (M) 0.6 sec mg‡q 1g †dvqvivi cvwbi †duvUvi †eM wbY©q K‡iv| [P. †ev.19] DËi: 2.94 ms1 (N) DÏxc‡Ki †Kvb †dvqvivi cvwbi †duvUv ̧‡jv †ewk AÂj Ry‡o Qwo‡q co‡e? MvwYwZKfv‡e we‡kølY K‡iv| [P. †ev.19]
2  HSC Physics 1st Paper Chapter-3 5| GKw`b GK cÖxwZ g ̈vP †Ljvi mgq wcÖZg e ̈vU w`‡q AvNvZ Kivq ejwU cvk¦©eZ©x GKwU DuPz fe‡bi Qv‡` coj| Wv3v‡ii wb‡la _vKvq wcÖZg 96m Gi †ewk DuPz‡Z DV‡Z A ̄^xK...wZ Rvwb‡q Qv‡` ej Avb‡Z †Mj bv| cøveb Qv‡` D‡V ejwU‡K Djø‡¤^ mv‡_ 60° †Kv‡Y 5 ms1 †e‡M wb‡P †d‡j w`j| ejwU Quy‡o gvivi 3 sec c‡i f~wg †_‡K 2 m DuPz‡Z wcÖZg ejwU a‡i †djj| (K) wbU ej Kx? [wm. †ev. 19] (L) fi‡K RvW ̈fi ejv nq †Kb? e ̈vL ̈v K‡iv| [wm. †ev. 19] (M) ejwU KZ †e‡M wcÖZ‡gi nv‡Z AvNvZ K‡iwQj? [wm. †ev. 19] DËi: 27.25 ms–1 (N) DÏxc‡Ki Z_ ̈ Abymv‡i wcÖZg Qv‡` DU‡Z cviZ wK bv? MvwYwZK we‡køl‡Yi gva ̈‡g †Zvgvi gZvvgZ `vI| [wm. †ev. 19] 6| O v0 = 30ms1 P M X Y 0 = 40 H m‡e©v”P we›`y f~wg †_‡K v0 MwZ‡Z GKwU e ̄‘ 0 †Kv‡Y wb‡ÿc Kiv n‡jv| f~wg †_‡K e ̄‘wUi m‡e©v”P D”PZv HP| (K) e„Ëxq MwZ Kv‡K e‡j? [h. †ev. 19] (L) e›`yK n‡Z ̧wj †Quvovi mgq e›`yK I Mywji g‡a ̈ †KvbwUi MwZkw3 †ewk e ̈vL ̈v K‡iv| [h. †ev. 19] (M) wbwÿß e ̄‘wU KZ †e‡M M we›`y‡Z cwZZ n‡e MvwYwZKfv‡e †ei K‡iv| [h. †ev. 19] DËi: 30 ms1 (N) OP > PH wKbv MvwYwZK we‡kølYc~e©K †Zvgvi gZvgZ `vI| [h. †ev. 19] 7| wP‡Îi O we›`y n‡Z 30 ms1 †e‡M Ges  †Kv‡Y wbwÿß GKwU e ̄‘ OAC c‡_ 3.062s mg‡q C we›`y‡Z †c.Qvq| e ̄‘wU‡K GKB †e‡M wb‡ÿc K‡i OBC c‡_ C we›`y‡Z †cu.Qv‡bv m¤¢e| O B C X Y  v v A (K) AvqZ GKK †f±i Kx ? [e. †ev. 19] (L) GKB μ‡g wμqvkxj wZbwU †f±‡ii jwä k~b ̈ n‡Z cv‡iÑ e ̈vL ̈v K‡iv| [e. †ev. 19] (M) DÏxc‡Ki  †KvY wbY©q K‡iv| [e. †ev. 19] DËi: 30 (N) DÏxc‡Ki e ̄‘i OBC c‡_ C we›`y‡Z †cuŠQv‡bvi m¤¢ve ̈Zvi MvwYwZK we‡kølYmn gZvgZ `vI| [e. †ev. 19] 8| 66m Mo e ̈vmv‡a©i GKwU wμ‡KU gv‡V wμ‡KU `j A wdwìs Ges B e ̈vU Ki‡Q| GKRb †evjvi 100 kmh1 †e‡M e ̈vUmg ̈v‡bi w`‡K ej wb‡ÿc Ki‡j e ̈vUmg ̈vb Abyf~wg‡Ki mv‡_ 30° †Kv‡Y ejwU‡Z AvNvZ K‡i| d‡j ejwU †evjv‡ii wb‡ÿc †e‡Mi mgvb †eM jvf K‡i| mswkøó e ̈vUmg ̈vb n‡Z 20 m `~‡i Ae ̄’vbiZ GKRb wdìvi e ̈vvUmg ̈vb KZ...©K e‡j AvNvZ Kivi mv‡_ mv‡_ ej Awfgy‡L 10 ms1 †e‡M †`.o ïiæ Kij| (K) 1 rpm ej‡Z Kx †evSvq? (L) †Kv‡bv evmhvÎx iv ̄Ívi cv‡ki wK‡jvwgUvi †÷vb Ges mv‡_ _vKv GKwU nvZNwo e ̈envi K‡i Pjgvb evmwUi Mo †eM wKfv‡e wbY©q Ki‡e e ̈vL ̈v K‡iv| [Xv. †ev., w`. †ev., wm. †ev., h. †ev. 18] (M) DÏxc‡Ki ejwU me©vwaK KZ D”PZvq DV‡e? [Xv. †ev., w`. †ev., wm. †ev., h. †ev. 18] DËi: 9.84 m (N) DÏxc‡Ki NUbvi e ̈vUmg ̈vb‡K ÔK ̈vP AvDUÕ Kiv m¤¢e wK bv MvwYwZK we‡kølYc~e©K gZvgZ `vI| [Xv. †ev., w`. †ev., wm. †ev., h. †ev. 18] 9| O P v  = ?  = 60 8.2ms1 X wP‡Î GKwU wewìs Gi Dci n‡Z Abyf~wgKfv‡e GKwU ej‡K Qz‡o †`qv n‡jv| Kwig ejwUi MwZc‡_i w`‡K ZvwK‡q aviYv Kij †h, 2 sec c‡i  Gi gvb 62° n‡j ejwU KZ...©K AwZμvšÍ Djø¤^ `~iZ¡ wewìs n‡Z ejwUi Abyf~wgK `~iæ‡Z¡i mgvb n‡e| (K) †KŠwYK †e‡Mi gvÎv †jL| (L) k  .i  = 0 †Kb, e ̈vL ̈v K‡iv| [iv. †ev., Kz. †ev., P. †ev., e. †ev. 18] (M) P we›`y‡Z e ̄‘wUi †eM wbY©q K‡iv| [iv. †ev., Kz. †ev., P. †ev., e. †ev. 18] DËi: 16.4 ms1 (N) Kwi‡gi aviYv wK mwVK wQj? MvwYwZK hyw3i mvnv‡h ̈ hvPvB K‡iv| [iv. †ev., Kz. †ev., P. †ev., e. †ev. 18] 10| GKwU †Uab 4ms–2 mgZ¡i‡Y w ̄’ive ̄’v †_‡K hvÎv ïiæ K‡i 3 sec ci mg‡eM jvf K‡i| GKB mg‡q GKwU †gvUi Mvwo 10 ms–1 mg‡e‡M †UabwUi mgvšÍiv‡j Pjv ïiæ Ki‡jv| †UabwUi PvKvi e ̈vmva© 0.5 m| (K) Mo‡eM Kx? (L) GKwU e ̄‘ mgZ¡i‡Y Pjv m‡Ë¡I cÖwZwbqZ Zvi †e‡Mi w`K cwiewZ©Z n‡”QÑe ̈vL ̈v Ki| (M) †Ua‡bi PvKvi N~Y©b msL ̈v wbY©q Ki| DËi: 5.7 evi (N) †UabwU Kx 10 sec Gi g‡a ̈ MvwoUv‡K AwZμg K‡i †h‡Z cvi‡e? MvwYwZKfv‡e †`LvI|
MwZwe` ̈v  HSC Prep Papers 3 11| wb‡¤œ cÖ`Ë †jLwPÎwU GKwU Mvwoi MwZ wb‡`©k Ki‡Q| MvwowUi hvÎvwe›`y †_‡K 100 m `~‡i GKRb c_Pvix `uvwo‡q Av‡Qb| mgq (sec) 10 v (ms–1 )  O 5 10 15 (K) cošÍ e ̄‘i Z¡iY ej‡Z Kx †evSvq? (L) †Kvb e ̄‘i Z¡iY 2 ms–2 ej‡Z Kx eyS? (M) MvwowU 3q †m‡KÛ KZ `~iZ¡ AwZμg Ki‡e? DËi: 5 m (N) c_Pvix Zvi RvqMvq w ̄’i _vK‡j Kx `yN©Ubv n‡Z iÿv cv‡e? MvwYwZK hyw3 w`‡q eywS‡q `vI| 12| GKwU hy×wegvb f‚c„ô n‡Z 1.5 km D”PZvq 720 kmh–1 †eM wb‡q f‚wgi mgvšÍiv‡j Do‡Q| wegvbwU GKwU wegvb weaŸsmx e›`y‡Ki wVK Dci w`‡q D‡o hvq| f‚wgi mv‡_ 30 †Kv‡Y wbwÿß ey‡jU wb‡ÿc ̄’j n‡Z 3 km `~‡i f‚wg‡K AvNvZ K‡i| [AwfKl©R Z¡iY, g = 10 ms–2 ] (K) cÖvm Kx? (L) k~b ̈ MwZkw3 wewkó †Kv‡bv ms ̄’vi jwä fi‡eM k~b ̈ wKš‘ k~b ̈ jwä fi‡eM wewkó †Kv‡bv ms ̄’vi MwZkw3 k~b ̈ bvI n‡Z cv‡i-e ̈vL ̈v Ki| (M) wb‡ÿcY †KvY cwieZ©b K‡i e›`yKwU Øviv 5 km `~‡i †Kv‡bv jÿ ̈‡K AvNvZ Kiv m¤¢e wK? wb‡ÿcY `aæwZ aaæe I evZv‡mi evav AMÖvn ̈ Ki| (N) hw` e›`yKwU n‡Z 600 ms–1 †e‡M ey‡jU wbwÿß nq Z‡e, ey‡jUwU‡K Gov‡bvi Rb ̈ wegv‡bi cvBjU‡K Kx e ̈e ̄’v wb‡Z n‡e? Dchy3 KviYmn †Zvgvi hyw3 cÖ`k©b Ki| 13| GKwU e ̄‘‡K 75 m `~‡i Ges 7.4 m D”PZvq ivLv GKwU Szwo‡Z †djvi Rb ̈ †jLwPÎ Abyhvqx wb‡ÿc Kiv n‡jv| t (sec) 0 v(ms–1 ) 15 2.65 (K) ZvrÿwYK Z¡iY Kx? (L) mg‡KŠwYK †e‡M N~Y©vqgvb GKwU e ̄‘i jw¤^K Z¡iY I e ̈vmv‡a©i †jLwPÎ wKiƒc? e ̈vL ̈v K‡iv| (M) e ̄‘wU m‡e©v”P KZ D”PZvq DV‡e? DËi: 34.417 m (N) e ̄‘wU‡K Szwo‡Z †djvi †Póv mdj n‡e Kx bv? MvwYwZKfv‡e hvPvB K‡iv| 14| XY Z‡j GKwU KYv y = x 2 (x > 0) eμ‡iLvq Pj‡Q Ges x = t; (K) cig MwZ Kx? (L) wfbœ †Kv‡Y wbwÿß `ywU cÖv‡mi Abyf~wgK cvjøv mgvb nIqv m¤¢e wK? e ̈vL ̈v K‡iv (M) mg‡qi mv‡_ e ̄‘wUi •iwLK †eM, •iwLK Z¡i‡Yi ivwkgvjv †f±‡ii mvnv‡h ̈ cÖKvk K‡iv| (N) †h‡Kv‡bv mg‡q e ̄‘wUi N~Y©bRwbZ eμZvi e ̈vmva© †ei Ki‡Z cvi‡e wK? 15| evsjv‡`‡ki K...wZ †L‡jvqvo wmwÏKzi ingv‡bi Mj&d w÷‡Ki AvNv‡Z ejwU 50 ms–1 †e‡M f~wgi mv‡_ 42 †Kv‡Y DËi w`‡K †a‡q Pj‡jv| (K) †f±i †ÿÎ Kv‡K e‡j? (L) Ò†Kv‡bv e ̄‘i †eM wØ-gvwÎK wKš‘ Z¡iY GKgvwÎK n‡Z cv‡iÓ e ̈vL ̈v K‡iv| (M) 1.6 sec ci ejwUi †e‡Mi gvb wbY©q K‡iv| DËi: 41.19 ms–1 (N) 3.2 sec ci ejwUi Ae ̄’vb †f±i wbY©qc~e©K †mwU me©vwaK D”PZvi Ae ̄’vb wKbv hvPvB K‡iv| 16| XY Z‡ji cÖ_g PZzf©v‡M †Kv‡bv KYvi X Aÿ eivei †eM aaæe| KYvwUi X I Y Aÿ eivei †e‡Mi Dcvs‡ki AbycvZ y : x| cÖ‡Z ̈KwU cwigvc S.I GK‡K cÖKvwkZ| KYvwU ( 3 0) we›`y n‡Z hvÎv ïiæ K‡i| (K) AKvh©Ki †f±i Kx? (L) Kv‡j©i †fŠZ Zvrch© e ̈vL ̈v K‡iv| (M) KYvwUi MwZc_ eY©bv K‡iv| (N) KYvwUi X Aÿ eivei aaæe †eM 5 ms–1 n‡j KZ mgq ci KYvwUi g~jwe›`y †_‡K 100 m `~‡ii we›`y‡Z †cuŠQv‡e? e ̈vL ̈v K‡iv| 17| wb‡P †eM ebvg mg‡qi †jLwPÎ †`Lv‡bv n‡jv: 3 2 1 O v(ms–1 ) 1 2 3 4 t(sec) A B (K) ̄úkx©q Z¡iY Kv‡K e‡j? [iv. †ev. 17] (L) wfbœ wfbœ D”PZv †_‡K cošÍ e ̄‘i AwfKl©xq Z¡iY mylg _v‡K bvÑ e ̈vL ̈v Ki| [iv. †ev. 17] (M) DÏxcK Abymv‡i e ̄‘wUi OA As‡ki Z¡iY wbY©q Ki| [iv. †ev. 17] DËi: 3 2 ms–2 (N) DÏxc‡Ki †jLwPÎ Abymv‡i e ̄‘wUi OA Ges AB As‡ki `~iZ¡ GK bv wfbœÑ MvwYwZKfv‡e hvPvB Ki| [iv. †ev. 17]
4  HSC Physics 1st Paper Chapter-3 18| GKwU e ̄‘i miY (s) ebvg mgq (t) Gi †jLwPÎ †`Lv‡bv n‡jv: 1 2 3 4 5 6 7 8 9 10 y s (cm) O t (sec) 10 9 8 7 6 5 4 3 2 1 x A B C wPÎ: s-t †jLwPÎ (K) cig w ̄’wZ ej‡Z Kx eyS? (L) Ro I ARo cÖm1⁄2 KvVv‡gv D`vniYmn e ̈vL ̈v Ki| (M) †jLwP‡Îi AB As‡k e ̄‘i Z¡i‡Yi gvb wbY©q K‡iv| [wm. †ev. 17] DËi: k~b ̈ (N) †jLwP‡Îi BC †iLvwUi e ̄‘wUi mg‡eM bv w ̄’ive ̄’v wb‡`©k Ki‡e? MvwYwZKfv‡e hvPvB K‡iv| [wm. †ev. 17] 19| 0.06 kg f‡ii B ̄úv‡Zi ej‡K GKwU wb‡ÿcY b‡j 0.080 m msKzwPZ K‡i †Quvov nj| ejwU b‡ji wfZ‡i w ̄úas‡K msKzwPZ Kivq w ̄úas‡q cÖhy3 ej k~b ̈ n‡Z 400 N G e„w× cvq hv wb‡¤œi MÖv‡d †`Lv‡bv n‡jv| (Zv‡ci `iæY kw3 ÿq bMY ̈ ai) 64 R 0.080m 400 300 200 100 0 0.04 0.08 F(N) (K) cÖv‡mi †ÿ‡Î wePiYKvj ej‡Z Kx eySvq? (L) †K›`agyLx Z¡iY ej‡Z Kx eyS? e ̈vL ̈v Ki| (M) ejwU †Quvov n‡j bj †_‡K †ei nIqvi gyn~‡Z© ejwUi †eM KZ n‡e? DËi: 23.09 ms–1 (N) DÏxc‡Ki Abymv‡i, ejwUi Avbyf‚wgK cvjøv KLbI 45 m AwZμg Ki‡e bv| Kx cwieZ©b Avb‡j Zv AwZμg Ki‡Z mÿg n‡e? MvwYwZKfv‡e e ̈vL ̈v K‡iv| 20| GKwU wcs-wcs ej‡K GKwU wbw`©ó D”PZv †_‡K †Q‡o †`Iqvq GwU GKwU `„p Z‡ji Dci Djø¤^fv‡e jvdv‡Z _v‡K| wb‡Pi †jLwP‡Î ejwUi †eM Kxfv‡e mg‡qi mv‡_ cwiewZ©Z n‡”Q Zv †`Lv‡b n‡q‡Q| AwfKl©R Z¡i‡Yi gvb 10 ms–2 | (K) miY Kx? (L) †Kvb mg‡q ejwU †g‡S‡Z wØZxqevi AvNvZ K‡i? Dchy3 KviYmn e ̈vL ̈v Ki| (M) ejwU‡K KZ D”PZv †_‡K †Q‡o †`Iqv n‡qwQj wbY©q Kiv| DËi: 5 m (N) Dc‡iv3 †jLwP·K f‚wg †_‡K D”PZv ebvg mgq †jLwP‡Î cwieZ©b Ki Ges †Zvgvi Aw1⁄4Z †jLwP‡Îi Giƒc cÖK...wZi KviYÑ e ̈vL ̈v Ki| 21| GKwU evm 90 kmhr1 mylg †e‡M MwZkxj wQj| hLb evmwU GKwU Mvwo‡K AwZμg K‡i ZLb MvwowU w ̄’i Ae ̄’v †_‡K 5 ms2 mylg Z¡i‡Y hvÎv ïiæ K‡i| evm I Mvwo GKB w`‡K MwZkxj| (K) cošÍ e ̄‘i 2q m~ÎwU wee„Z K‡iv| (L) mg‡eM Ges Amg‡eM m¤ú‡K© †jLwPÎ A1⁄4Y K‡i e ̈vL ̈v `vI| (M) KLb MvwowU evm‡K AwZμg Ki‡e wbY©q Ki| DËi: 10sec (N) GKB KvVv‡gv‡Z Aw1⁄4Z evm I Mvwoi †eM ebvg mgq †jLwP‡Îi †iLvØq GKwU we›`y‡Z †Q` K‡i| †mB we›`y‡Z wb‡`©wkZ mg‡q wK MvwoØq G‡K Aci‡K AwZμg Ki‡e? †jLwU A1⁄4b K‡i Dchy3 KviYmn †Zvgvi Dˇii mc‡ÿ hyw3 `vI| 22| wb‡Pi wP‡Î x Aÿ eeiveei MwZkxj GKwU e ̄‘i mg‡qi mv‡_ Ae ̄’v‡bi cwieZ©b †`Lv‡bv n‡q‡Q| GLv‡b, mgq †m‡KÛ Ges Ae ̄’vb wgUv‡i †`Iqv n‡q‡Q| (K) mylg †eM Kv‡K e‡j? (L) wewfbœ mg‡q e ̄‘wUi MwZi cÖK...wZ m¤ú‡K© aviYv `vI| (M) 4 s †_‡K 8 s Ges 14 s †_‡K 16 s mgq ch©šÍ Gi Z¡iY wbY©q K‡iv| DËi: – 5 ms2 (N) MvwYwZKfv‡e miY wbY©q K‡i wP‡Îi mv‡_ m1⁄2wZc~Y© wK bv gZvgZ `vI|