Cheapter-3

1. e¯Íy †h Ae¯’vq Av‡Q wPiKvj †m Ae¯’vq _vK‡Z PvIqvi †h cÖeYZv ev ag© Zv‡K Kx e‡j?

K ej L Z¡iY

M RoZv N †eM

2. e‡ji gvÎv †KvbwU?

K MLT^–2 L MLT^-¹

M ML^-²T^-² N M^-¹LT^–2

3. fi‡e‡Mi GKK †KvbwU?

K kgm L kgms^-¹

M kgm²s^-¹ N kgms^-²

4. 5 kg f‡ii GKwU e¯Íyi Ici 50N ej cÖ‡qvM Kiv n‡j, Gi Z¡iY n‡e¾

K 12 ms^-² L 8 ms^-²

M 13 ms^-² N 10 ms^-²

5. 10 kg f‡ii †Kv‡bv e¯Íy 10 ms^-¹ †e‡M MwZkxj n‡j Gi fi‡eM n‡e¾

K 10 kgms^-¹ L 120 kgms^-¹

M 100 kgms^-¹ N 1 kgms^-¹

6. ¯úk© ej †KvbwU? [Xv. †ev. 2016]

K `ye©j wbDK¬xq ej L gnvKl© ej

M †PŠ¤^K ej N Nl©Y ej

7. †Kvb e‡ji jwä k~b¨ nq? [iv. †ev. 2016]

K Amvg¨ ej L A¯úk© ej

M mvg¨ ej N ¯úk© ej

8. fi‡e‡Mi gvÎv †KvbwU? [iv. †ev. 2016, Kz. †ev. 2016, h. †ev. 2016, h. †ev. 2015]

K MLT L ML^-¹T M MLT^-¹ N ML^-¹T^-¹

10. c`v‡_©i RoZvi cwigvc Kx? [w`. †ev. 2016]

K ¯úk© ej L A¯úk© ej

M fi N IRb

11. wµqv ej (F₁) Ges cÖwZwµqv ej (F₂) Gi g‡a¨ m¤úK© †KvbwU? [Kz. †ev. 2016]

K F₁ = F₂ L -F₁ = -F₂

M F₁ + F₂ = 0 N F₁ > F₂

12. 2ms^-¹ †e‡M MwZkxj 10kg f‡ii †Kv‡bv e¯‘i Dci ej cÖ‡qvM Ki‡j Gi Z¡iY 2ms^-² n‡jv| 2s ci Gi fi‡e‡Mi cwieZ©b KZ n‡e? [Kz. †ev. 2016]

K 0kg ms^-¹ L 20kg ms^-¹

M 40 kg ms^-¹ N 60kgms^-¹

13. e‡ji gvÎv †KvbwU? [P. †ev. 2016, e. †ev. 2016, iv. †ev. 2015]

K ML^-¹T^-¹ L MLT^-²

M ML^-¹T^-² N ML^-²T^-²

14. wb‡Pi †Kvb m¤úK©wU mwVK? (†hLv‡b cÖZxK¸‡jv cÖPwjZ A_© enb K‡i)| [P. †ev. 2016]

K t µ h² L G = gR²/M

M v = g + ut N a = (v + u)/t

15. e¯‘i RoZv cwigvc Kiv nq †KvbwUi mvnv‡h¨? [P. †ev. 2016]

K fi L †eM

M ej N fi‡eM

16. + 10C I - 10C Avavb aviYKvix `yBwU †MvjK †h e‡j ci¯úi‡K AvKl©Y K‡i Zv‡K Kx e‡j? [wm. †ev. 2016]

K Zwor †PŠ¤^K ej L †PŠ¤^K ej

M `ye©j wbDK¬xq ej N mej wbDK¬xq ej

17. wbDU‡bi MwZi cÖ_g m~Î †KvbwU? [wm. †ev. 2016]

K v = u + at L u = v

M s = vt N F = ma

18. g-Gi ivwkgvjv wb‡Pi †KvbwU? [h. †ev. 2016]

K g = L g =

M g = N g =

19. GKwU e›`yK †_‡K 400ms^-¹ †e‡M 10gm f‡ii GKwU ¸wj †Qvov n‡jv| e›`y‡Ki fi 1 kg n‡j cðvr †eM KZ?

K 2.67ms^-¹ L 6.67ms^-¹

M -6.88ms^-¹ N -2.67ms^-¹

20. wbie †g‡Si Dci w`‡q GKwU †Ljbv Mvwo †U‡b †bIqvi mgq GKwU Uvb ej cÖ‡qvM Kij| cÖ‡qvMK…Z ejwU †Kvb ej? [h. †ev. 2016]

K ¯úk© ej L A¯úk© ej

M mvg¨ ej N Amvg¨ ej

21. cÖevnx Nl©Y †KvbwU? [Xv. †ev. 2015]

K cyKz‡ii muvZvi KvUvi mgq Nl©Y

L mvB‡K‡ji PvKvi MwZi Nl©Y

M Mvoxi nvW© †eªK Klvi Nl©Y

N GKwU fvix e¯Íy‡K Uvbvi Nl©Y

22. †Kvb ejwU Kg kw³kvjx? [iv. †ev. 2015]

K gnvKl© ej L ZvwoZ †PŠ¤^Kxq ej

M `ye©j wbDK¬xq ej N mej wbDK¬xq ej

23. 80kg f‡ii GKwU e¯Íyi Dci KZ ej cÖ‡qvM Ki‡j Gi Z¡iY 4ms^–2 n‡e? [iv. †ev. 2015]

K 20N L 78.4 N M 320N N 784N

24. †Kvb †gŠwjK ejwU Zyjbvg~jKfv‡e `ye©jZg ej? [w`. †ev. 2015]

K `ye©j wbDwK¬q ej L mej wbDwK¬q ej

M gnvKl© ej N Zvwor †PŠ¤^K ej

25. GKwU PjšÍ Mvwo‡K †eªK K‡i _vgv‡bv n‡jv, MvwowU †Kvb Nl©Y e‡ji m¤§yLxb n‡e? [w`. †ev. 2015]

K wcQjv‡bv Nl©Y L AveZ© Nl©Y

M cÖevnx Nl©Y N w¯’wZ Nl©Y

26. 100kg f‡ii GKwU e¯Íyi Dci 2 †m‡KÛ hver 200N ej cÖ‡qvM Ki‡j, †eM Kx cwigvY e„w× cv‡e? [w`. †ev. 2015]

K 4ms^–1 L 2 ms^–1 M 1 ms^–1 N 0 ms^–1

27. †Kvb Nl©Y Kv‡R jvwM‡q gvQ cvwb‡Z PjvPj K‡i? [Kz. †ev. 2015]

K AveZ© L wcQjv‡bv

M w¯’wZ N cÖevnx

28. cÖK…wZ‡Z we`¨gvb †gŠwjK ej KqwU? [Kz. †ev. 2015]

K `yBwU L wZbwU

M PviwU N cuvPwU

29. 1kg f‡ii GKwU e›`yK †_‡K 5gm f‡ii GKwU ¸wj †Qvov n‡j e›`yKwU 2ms^–1 cðvr‡eM cÖvß n‡jv, ¸wji †kl‡eM KZ?

[Kz. †ev. 2015]

K 0.4ms^–1 L 4ms^–1

M 40 ms^–1 N 400ms^–1

30. c`v‡_©i RoZvi cwigvc †KvbwU? [P. †ev. 2015]

K MwZ L w¯’wZ M fi N ej

31. Kxfv‡e Nl©Y‡K e„w× Kiv hvq? [wm. †ev. 2015]

K Zj‡K gm„Y Kivi gva¨‡g

L Zj‡K Agm„Y Kivi gva¨‡g

M Z‡ji gv‡S jyweª‡K›U e¨env‡ii gva¨‡g

N Zj‡K cÖ_‡g gm„Y I c‡i Agm„Y Kivi gva¨‡g

32. mej wbDwK¬q e‡ji cvjøv KZ? [wm. †ev. 2015]

K 10^–15m L 10^–6 m M 10^–14 m N 10^–18 m

33. c¨vivmy‡Ui gva¨‡g Av‡ivnx‡K wbivc‡` AeZi‡Y mvnvh¨ K‡i †Kvb ej? [h. †ev. 2015]

K w¯’wZ Nl©Y L wemc© Nl©Y

M AveZ© Nl©Y N cÖevnx Nl©Y

34. †Kvb ejwU †ekx `ye©jZg? [e. †ev. 2015]

K gnvKl© ej L `ye©j wbDK¬xq ej

M ZvwoZ †PŠ¤^Kxq ej N mej wbDK¬xq ej

35. GKwU e¯‘i fi 5 kg, cÖhy³ ej 60N, evav`vbKvix ej 10 N n‡j Z¡iY KZ? [XvKv †iwm‡Wbwmqvj g‡Wj K‡jR]

K 10 kgms^-² L 10 ms^-²

M 12 ms^-² N 14 ms^-²

36. `ywU wbDwK¬q‡bi g‡a¨ †h ej KvR K‡i Zv‡K e‡j¾[ivRkvnx K‡jwR‡qU ¯‹zj, ivRkvnx]

K mej wbDK¬xq ej L `~e©j wbDK¬xq ej

M gnvKl© ej N AwfKl© ej

37. †Kv‡bv e¯‘i mvg¨ve¯’vq _vKvi kZ© Kx? [ivRkvnx K‡jwR‡qU ¯‹zj, ivRkvnx]

M MwZkxj e¯‘‡K w¯’i Kiv N Z¡iY bv _vKv

38. e‡ji Nv‡Zi gvÎv †KvbwU? [ivRkvnx miKvvwi evwjKv D”P we`¨vjq, †n‡jbvev`, ivRkvnx]

K MLT^-² L LT^-²

M MLT^-³ N MLT^-¹

39. 1kg f‡ii GKwU e›`yK †_‡K 5g f‡ii GKwU ¸wj †Qvov n‡j e›`yKwU 2ms^-¹ cðvr‡eM cÖvß n‡jv, ¸wji †kl †eM KZ? [ivRkvnx miKvvwi evwjKv D”P we`¨vjq, †n‡jbvev`, ivRkvnx]

K 0.4ms^-¹ L 4ms^-¹

M 40ms^-¹ N 400ms^-¹

K 5ms^–2 L 10ms^–2

M 15ms^–2 N 20ms^–2

41. fi‡e‡Mi gvÎv †KvbwU? [Av‡gbv evKx †iwm‡Wbwmqvj g‡Wj ¯‹zj GÛ K‡jR, w`bvRcyi]

K ML²T^–1 L MLT^–1

M MLT^–2 N MLT^–3

M w¯’wZ N cÖevnx

43. mej wbDK¬xq e‡ji cvjøv KZ? [Wv. Lv¯ÍMxi miKvwi evwjKv D”P we`¨vjq, PÆMÖvg]

K 10^-15m L 10^-6m

M 10^-14m N 10^-18m

44. †Kvb 5kg f‡ii w¯’i e¯‘‡K 3s a‡i 3ms^–2Z¡iY w`‡j Gi P‚ovšÍ fi‡eM KZ? [Mf. j¨ve‡iUwi nvB ¯‹zj, XvKv]

K 45 kgms^–1 L 40 kgms^–2

M 15 kgms^–1 N 15 kgms^–2

45. hLb e¯‘ Z¡i‡Y P‡j ZLb¾[bIMuv †K.wW. miKvwi D”P we`¨vjq, bIMuv

46. wbDU‡bi MwZi Z…Zxq m~‡Îi cÖ‡qvM nq hLb ¾ [P. †ev. 2016]

i. Avgiv nvUvPjv Kwi

ii. iv¯Ívq Mvwo P‡j

iii. †`qv‡j av°v †j‡M wcwQ‡q Avwm

wb‡Pi †KvbwU mwVK?

K i I ii L i I iii

M ii I iii N i, ii I iii

47. fi‡e‡Mi msiÿ‡Yi D`vniY- [wfKviæbwbmv b~b ¯‹zj GÛ K‡jR, XvKv]

i. e›`y‡Ki cðvr MwZ

ii. PjšÍ evm nVvr †eªK K‡l _vgv‡bv

iii. i‡KU Pvjv‡bv

wb‡Pi †KvbwU mwVK?

K i I ii L i I iii

M ii I iii N i, ii I iii

48. wbDK¬xq mej ej¾ [XvKv †iwm‡Wbwmqvj g‡Wj K‡jR]

i. AvKl©Yag©x

ii. Avavbhy³

iii. ¯^í cvjøvwewkó

wb‡Pi †KvbwU mwVK?

K i I ii L ii I iii

M i I iii N i, ii I iii

Cheapter-3

ওয়েবসাইট আর্কাইভ

সর্বশেষ প্রকাশিত পোস্ট সমূহ