Trac_nghiem_phan_Dao_dong_va_Song_co_hoc_361_78639755

Trac_nghiem_phan_Dao_dong_va_Song_co_hoc_361_78639755 - TRC...

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Unformatted text preview: TRC NGHIM VT L 12 Phn 1: DAO NG C HC SNG C HC 1. Dao ng tun hon l dao ng: a. c li dao ng l hm s hnh sin; x = Asin ( t + ) b. c trng thi chuyn ng lp li nh c sau nhng khong thi gian bng nhau. c. c gii hn trong khng gian, i qua i li hai bn v tr cn bng. d. c 3 tnh cht a, b, c 2 . Dao ng iu ha l dao ng: a. c chu k khng i. b. c m t bng nh lut hnh sin ( hoc cosin) trong A, , l nhng hng s. c. c gia tc t l v tri du vi li d. c 3 cu a, b, c u ng. 3 . Chu k dao ng l: a. Thi gian trng thi dao ng lp li nh c. b. Thi gian ngn nht trng thi dao ng lp li nh c. c. Thi gian vt thc hin vt c mt dao ng. d. Cu b v c u ng. 4 . Tn s ca dao ng tun hon l: a. S chu k thc hin c trong mt giy. b. S ln trng thi dao ng lp li nh c trong 1 n v thi gian. c. S dao ng thc hin c trong thi gian 1 giy d. C 3 cu a, b, c u ng. 5. Dao ng t do l dao ng c: a. Chu k ph thuc cc c tnh ca h b. Chu k khng ph thuc vo cc yu t bn ngoi c. Chu k khng ph thuc vo cc c tnh ca h m ph thuc vo cc yu t bn ngoi. d. Chu k ph thuc vo cc c tnh ca h m khng ph thuc vo cc yu t bn ngoi. 6. Gia tc trong dao ng iu ha xc nh bi: a. a = 2 x b. a = - x 2 1 c. a = - 2 x d. a = 2 x 2 7. Dao ng iu ha: a. c phng trnh dao ng tun theo nh lut hnh sin theo t b. c gia tc t l vi li c. c lc tc dng ln vt dao ng lun lun hng v v tr cn bng d. c tt c cc tnh cht trn 8. Dao ng tt dn l dao ng: e. c bin gim dn theo thi gian f. khng c tnh iu ha g. c th c li hoc c hi h. c tt c cc yu t trn 9. Chn pht biu ng: i. Trong dao ng cng bc th tn s dao ng bng tn s dao ng ring. j. Trong i sng v k thut, dao ng tt dn lun lun c hi...
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This note was uploaded on 06/26/2011 for the course EE 202 taught by Professor Sabrisarioglu during the Spring '11 term at Bahcesehir University.

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Trac_nghiem_phan_Dao_dong_va_Song_co_hoc_361_78639755 - TRC...

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