Grade

Subject

Type of questions

Science Junior High

高校入試問題の理科の問題です!! 写真の問3、問4が分かりません💦 どなたか教えてください🙏 一枚目が問題で、二枚目が答えと解説です! 特に問3の解説で、なぜa分のbになるのかが分かりません😭 お願いします🙏

また,別の音さをたたいたところ, 最名 3 に、最初よりも少 の波形が見られた。 2② 答えよ。 レンズの中心から測った実像までの距離を示している。また, 下表はaとbの関係を示したもので ある。 凸レンズ 物体 光軸 f 4 cm 倒立実像 問 4 cm b a 8cm 8 cm a (cm) (ア) 6 8 12 6(cm) 20 (イ) 8 6 1 1 1 なお,aともとfの間には の関係が成り立つ。また, 実像の物体に対する大きさ f b 問3 a はbの値をaの値で割って得られる。 問1 表の( ア ) にあてはまる最も適当な数値を,次の①~⑤のうちから一つ選べ。( 点 CT 01 22 ③ 3 ① 4 5 5 0 問2 表の(イ ) にあてはまる最も適当な数値を,次の①~⑤のうちから一つ選べ。( 0 10 ② 12 3 14 16 5 18 す 問3)aが6cmのとき, 実像の大きさは物体の大きさの何倍になるか。 最も適当な数値を,次のU ⑤のうちから一つ選べ。 ( 01 22 3 3 の 4 6 5 問4実像の大きさが,物体の 倍になったときのaは何cmなるか。最も適当な数値を,次の 4 ⑥のうちから一つ選べ。 ( 04 2 5 3 16 の 20 5 24

Resolved Answers: 2
English Junior High

(2)を教えてください🙇‍♀️

Activity 4 Make a * temporary bed with cardboard Activity 5 Learn useful Japanese words and how to Activity 2 Experience earthquakes in a special car call 110 or 119;only for foreign people Tikari : Hello. Ms. Bell. We are 12:00~ Lunch(Try emergency food) going to have evacuation drills next Sunday. What should we do Schedule Opening Ceremony eters aayl o Date and Time Sunday September 1st 9:30~15:30 O Evacuation Place Tsubame Elementary School 9:30 Ken 10:00~ Activities Ms. 1 13:00~ Activities A Closing Ceremony 15:00 s. Bell: Evacuation drills? No. 5 Can anyone go? You can choose one activity at each time, Hik Activities en : Of course. Here is the Activity 3 Practice how to use an AED 0 Time 10:00~11:00 Ms. olo poster about the drills. We are going together. 1:00~12:00 O 0 O 13:00~14:00 10 14:00~15:00 lo (注) Would you like to come 10 口(1) with us? yun : We're going to meet at Midori Park at nine. If you come by that time, we co. together. eari :What shall we do for lunch? 15 :Well, Ill get some sandwiches at the convenience store on the way. 口に Bell: B Look at this. Let's try some emergency food. ari : Why not? Do you know what kind of food we can try, Ken? : No. Umm Cup Ramen? ri : No, I don't think so because 20 『n: Yes, it may be difficult after big natural disasters. Anyway, we will know on the do. :Ms. Bell, do you often have natural disasters in your country? Are they different+2 Bell: Yes, we do. I can only talk about my hometown, but from my experience CHID earthquakes are bigger here, I think. After I came to Japan, there was a bia earthquake. I was very surprised, and didn't know what to do. i: Then, why don't you do Activity 25 あ You have already experienced a at at TOTAL natural disaster, but you can learn how to protect yourself. 2ll: C I will do that. So, in the event, we can experience four kinds of activities. What are you going to choose? : Umm. Let's see. I'm interested in AEDS. I want to know what they are like. 30 : Oh, you don't know abóut them! They are used to save people's lives. : Of course I know, but I just wtant to try them because I've never touched them. :I took the course last year, but I'll try it again. II when we are in an emergency. 7:Iagree. Can all of us take part in the same activity together? 35 :I join the same activity with my family every year. This year we are going to learn how to make beds we can use in evacuation places in the morning. After that, I will be free. ;Tam going to help with the fire drills as a volunteer.

Unresolved Answers: 1