主題7 基本觀念複習

主題7 基本觀念複習

9th Grade

63 Qs

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63 Qs

主題7 基本觀念複習

主題7 基本觀念複習

Assessment

Quiz

Science

9th Grade

Practice Problem

Easy

Created by

SHER LEE

Used 3+ times

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63 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

聲波,水波

機械波(要介質)
非機械波(不要介質)
#
*
*

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

光波,無線電波

機械波(要介質)
非機械波(不要介質)
#
*
*

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

介質振動的方向和波前進的方向垂直(大部分的波)

橫波
縱波
#
*
*

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

介質振動的方向和波前進的方向平行(空氣中的聲波)

橫波
縱波
#
*
*

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

聲波在何者中傳遞最快

固體
液體
氣體
真空
*

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

光波在何者中傳遞最快

固體
液體
氣體
真空
*

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

聲音反射時,何者會改變

波速
頻率
振幅
響度
*

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