Grade

Type of questions

Physics Senior High

全反射するsinαの範囲を求める問4について質問です。油と空気の間で全反射するために、 (ⅰ)水→油で全反射しない (ⅱ)油→空気で全反射する という2段階で考える必要があると考えたのですが、解答にはそもそもαは90°未満だからsinα<1と書いてありました。 1/n1<s... Read More

問2 sina, の値はいくらか。 n, を用いて答えよ。(3点) がつく 空気(1) 次に,水槽の水の上に屈折率 n,の油を静かに注ぎ込み, 図2のよ うに,水の層の上に一定の厚さの油の層をつくった。このとき, Sか ら出た光は,水と油の境界面,および, 油と空気の境界面で屈折して 空気中へと出ていった。 油(n2) ひ2 水(n) a: 光源S 問3 水と油の境界面での光の屈折について述べた次の文章中の空欄 に適する式を答えよ。(各2点計8点) 図 2 4 水中,油中,空気中での光の速さをそれぞれひ,ひs, cとして, ひぃ V2を c, n, n のうちから必要なものを用いて表すと 1=| 1 となる。よって, 水に対する油の相対屈折率 np を, n, ngを用いて表すと 02= 2 01 N12 3 02 となる。また,水に対する油の相対屈折率 n,2は, 水と油の境界面への光の入射角aと 屈折角yを用いて表すと, 12=| 4 とも表されることから 3 の関係が成り立つことがわかる。 4 三 (難問 問4 Sから出た光が油と空気の境界面で全反射して空気中に進まないための sina の値の範囲を,n,, n2, 1 のうち必要なものを用いて答えよ。(3点)

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TOEIC・English Undergraduate

解答をお願いします。

rom the information we obtained, we believe First Bank and Union Bank will (D) Judgment most Iikely merge to form the biggest bank in the country. (B) Judge (A) Judging (C) Judged Tou should bring your own laptop computer, since all the computers in the office out of order. (D) being (A) is (B) are (C) been to Rome to start her own business. (D) movement 13. Janet spent 10 years in Paris before (A) move (B) moves (C) moving the spreadsheet software. (C) are updated 14.I received an e-mail from SmartSoft and (A) updating (B) update (D) updated tA 15. Mr. Carlton is seeking a position as a bond analyst on Wall Street. (C) challenged (A) challenge (B) challenging (D) to challenge 16. in 1909, the Nara Hotel has been popular with celebrities from around the world (A) Establishes (B) Establishing (C) Established (D) Having establishe 17. Before you apply for the position, you need to have the application form supervisor. (A) signed .by your (B) sign (C) been signed (D) are signing A 18. Please to the attached file when you prepare the documents for the presentation. (A) refers (B) refer (C) referred (D) referringnie 19. her extensive knowledge of computer programming, Ms. Harris is the top candidate for the position. (A) Give (B) Giving (C) Having given 20. Mr. Peterson, the department manager, insisted that all employees (D) Given time. their work on (A) finish (B) has finished (C) finishingbnoo (D) finished

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English Senior High

この問題の大問1と3を教えてください🙇‍♂️

1 Choose the best answer from the two choices. (1) The condition was ( アadvantages イ advantageous ) to me. (2)(ア Conservation イ Conservative) of the rain forests is necessary. (3) The experience of this homestay will change her life (ア dramatic イ dramatically). (4) This DVD is a (アlimited イ limiting) edition. (5) He read that book for the ( ア satisfaction イ satisfied) of his curiosity. 2 Write the appropriate word in each blank to match the Japanese. (1) その女性がハンカチを落としたので,彼はそれを拾った。 The lady dropped her handkerchief and he ( )it( (2) この会社は清掃業に携わっている。 This company is ( ) ( )cleaning business. (3)外はとても寒かったので,妹は家にいた。 )very cold outside, my sister stayed home. (4)彼女は手紙を2通受け取ったが, どちらもアメリカからだった。 )()were from the US. She got two letters, ( 3 Write the appropriate word in each blank so that two sentences have almost the same meaning. She visited some countries. One of them was Italy.. She visited some countries, ( This is her favorite cafeteria. She always has lunch at the place. This is her favorite cafeteria, ( There was something wrong with his bike, so he had to walk to the station. )was Italy. X ) she always has lunch. ) something wrong with his bike, he had to walk to the station. If all things are considered, it is natural that he should say so. )( )( ), it is natural that he should say so.

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