
B3C1_基本測量A卷
Quiz
•
Physics
•
8th Grade
•
Practice Problem
•
Hard
chungtsen chen
Used 2+ times
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40 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
小明使用附有騎碼(騎碼每一個刻度代表 0.1 公克)且經過歸零校正的懸吊式等臂天平,去測量一枚伍拾元硬幣的質量,當小明在右盤上放置有 1 個 10 公克、2 個 2 公克和 1 個 500 毫克的砝碼,而騎碼的位置恰好位在 15 刻度線上時,天平達平衡,請問在左盤的伍拾元硬幣質量為多少?
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
下列哪些物理量相等?(甲) 2 g/cm3;(乙) 2 kg/L;(丙) 2000 kg/m3;(丁) 2 g/mL。
甲乙丙丁
僅有甲乙丙
僅有甲乙丁
僅有甲乙
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
甲、乙兩物體體積與密度數據如表所示。若將甲物體放在等臂天平左端,乙物體放在右端,則天平哪一端會下降?(體積單位:cm3;密度單位:g/cm3)
左端
右端
一樣高
無從判斷
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
關於測量的敘述,下列何者錯誤?
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
下列哪些是天平使用時,該注意的事項?(甲)使用前應先轉動校準螺絲,使天平歸零;(乙)為了節省時間,可以用手直接取放砝碼;(丙)待測物應置於左盤中,砝碼則放置在右盤中。
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
甲、乙、丙三種物質,其體積依序為 20 cm3、30 cm3、40 cm3,密度依序為 4.8 g/cm3、3.2 g/cm3、2.8 g/cm3,每次取兩個放在等臂天平兩端,可以平衡的是哪兩種?
乙、丙
甲、乙
甲、丙
任何兩個皆無法平衡
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
子瑜在試管中注入 42 cm3、密度 3 g/cm3 的某液體,當此液體凝固時,體積增加 3 cm3。則此液體固態的密度為下列何者?
0.95 g/cm3
1.8 g/cm3
2.0 g/cm3
2.8 g/cm3
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