we G Gd kvnxb K‡jR XvKv Aa©-evwl©Kxi Dci Abykxjb cixÿv 2020
beg- †kªwY
welq :c`v_© weÁvb (m„Rbkxj)
mgq : 2 NÈv 30 wgwbU c~Y©gvb50 (†h †Kvb 5 wU cÖ‡kœi DËi `vI)
1. GKwU e›`yK n‡Z 1kms–1 †e‡M 10gm f‡ii GKwU ¸wj GK UzKiv Kv‡Vi g‡a¨ 3cm cÖ‡ek K‡i †_‡g †Mj|
K. e‡ji NvZ Kv‡K e‡j? 1
L. †Kvb h‡š¿i Kg©`¶Zv 40% ej‡Z Kx eyS? 2
M. e›`y‡Ki fi 50 kg n‡j cðvr †eM KZ n‡e? wbY©q Ki| 3
N. DÏxc‡Ki Av‡jv‡K evav`vbKvix e‡ji gvb wbY©q Ki| 4
2. wb‡Pi Aby‡”Q`wU co Ges cÖkœ¸‡jvi DËi `vI:
K. cøeZv Kv‡K e‡j? 1
L. 50 J KvR ej‡Z Kx eyS? 2
M. cvwb‡Z wis Gi IRb wbY©q Ki| [wPÎ: 1 G] 3
N. wPÎ: 2 G wiswU Wzev‡j IRb KZ n‡e? Ges wPÎ: 1 Gi mv‡_ Zzjbv Ki| 4
3. mvB‡Kj mn bvwnqv‡bi fi 100kg. †m w¯’i mvB‡KjwUi Dci 60N ej cÖ‡qv‡M 10N Nl©Yhy³ iv¯—vi Dci w`‡q mylg Z¡i‡Y 20 †m‡KÛ Pvjvq| AZtci ej cÖ‡qvM eÜ Kivq 12 †m‡KÛ ci Zv †_‡g hvq|
K. ch©vqe„Ë MwZ Kv‡K e‡j? 1
L. evqy fwZ© GKwU †ejyb dzUv K‡i †Q‡o w`‡j Zv mvg‡bi w`‡K D‡o P‡j †Kb? 2
M. 1g †¶‡Î AwZµvšÍ `~iZ¡ wbY©q Ki| 3
N. 2q †¶‡Î euvav`vbKvix e‡ji aib Kx Zv e¨vL¨v Ki|4
4. GKwU e¯‘i fi 20 gm| e¯‘wU‡K wbw`©ó †e‡M euvavnxbfv‡e Lvov Dc‡ii w`‡K wb‡¶c Kiv n‡j 10 sec ci f‚-c„ô †_‡K m‡e©v”P D”PZvq
†cŠuQvq|
K. Kg©`¶Zv Kv‡K e‡j? 1
L. Mvwoi Uvqv‡ii c„ô LuvRKvUv _v‡K †Kb? 2
M. wbw¶ß e¯‘wU m‡e©v”P KZ D”PZvq †cŠu‡QwQj? 3
N. e¯‘wU wb‡¶‡ci 4 sec ci e¯‘wUi AwR©Z †gvU hvwš¿K kw³ KZ n‡e, we‡kølY Ki| 4 5. ivnbygv Zvi R‡b¨ GKUv ¯^‡Y©i AjsKvi µq K‡ib| nVvr Zuvi Mqbv LuvwU wKbv Rvbvi B”Qv n‡jv| ivnbygv Rv‡b ¯^‡Y©i NbZ¡ 19300kg–3|
ZvB †m MqbvwUi evZv‡m 3N IRb cwigvc Ki‡jv Ges cvwb‡Z 2.85N IRb cwigvc Ki‡jv| †`L‡jv Mqbv LuvwU Av‡Q|
K. Pvc Kv‡K e‡j? 1
L. gnvKl© ej GKwU A¯úk© ej e¨vL¨v K‡iv| 2
M. MqbvwUi AvqZb wbY©q Ki| 3
N. DÏxc‡Ki NUbvwU AvwK©wgwW‡mi bxwZ mg_©b K‡i wK bv MvwYwZK we‡kølY Ki| 4
6. KwU Mvwo w¯’i Ae¯’vb †_‡K 10s mgZ¡i‡Y P‡j| Gici 5min mg‡e‡M Pjvi ci †eªK K‡i 5s G _vgv‡bv nq| hvÎv kyiyi 4s ci MvwowUi
†eM 4ms1 nq|
K. KvR Gi gvÎv †j‡Lv| 1
L. fi I IRb GKB ivwk bq e¨vL¨v K‡iv| 2
M. 4_© wgwb‡U MvwowU KZ `~iZ¡ AwZµg Ki‡e? 3
N. DÏxc‡K D‡jøwLZ mg‡q MvwowU 4km `~iZ¡ AwZµg Ki‡Z cvi‡e wK? MvwYwZK we‡kølY K‡iv| 4 7. 500g f‡ii GKwU e¯‘‡K wbw`©ó †e‡M wb‡¶‡ci 5s ci 96.04J MwZkw³ AR©b K‡i| Gici e¯‘wU m‡e©v”P D”PZvq D‡V gy³fv‡e wb‡Pi
w`‡K co‡Z _v‡K|
K. †Mvj‡Ki AvqZb wbY©‡qi m~ÎwU †j‡Lv| 1
L. miY wK AwZµvšÍ `~i‡Z¡i †P‡q †ewk n‡Z cv‡i? e¨vL¨v K‡iv| 2
M. e¯‘wU KZ †e‡M wb‡¶c Kiv n‡qwQj? 3
N. f‚wg †_‡K KZ wgUvi D”PZvq cošÍ e¯‘wUi MwZkw³ wefekw³i wظY n‡e? MvwYwZK e¨vL¨v `vI| 4 8. 20g f‡ii GKLÛ KvV‡K 70g f‡ii GKwU avZe c`v‡_©i mv‡_ †eu‡a 0.970 g/cc Nb‡Z¡i Zi‡j †Q‡o †`qv n‡jv| KvV I avZe
c`v‡_©i NbZ¡ h_vµ‡g 0.27g/cc I 10.7g/cc|
K. evqygÛ‡ji ¯^vfvweK Pvc KZ? 1
L. †Kv‡bv wbw`©ó ¯’v‡b wbw`©ó MfxiZvq Pv‡ci gvb Nb‡Z¡i mgvbycvwZK e¨vL¨v K‡iv| 2
M. ïay Kv‡Vi UzKivwU Zi‡j KZUzKz wbgw¾Z _vK‡e? 3
N. avZe c`v_© I KvVwU GKwÎZ Ae¯’vq Zi‡j wK Ae¯’vq _vK‡e? MvwYwZK e¨vL¨v Dc¯’vcb K‡iv| 4
†mvbvi AvswUi fi Ges NbZ¡ h_vµ‡g 10 g Ges
19300 kgm–3
†K‡ivwmb Ges NbZ¡
800 kgm–3
wPÎt 1
4 C ZvcgvÎvi
cvwb wPÎt 2
welq †KvW 1 3 6
