
B4C6練習用
Quiz
•
Physics
•
8th Grade
•
Hard
chungtsen chen
Used 9+ times
FREE Resource
33 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
摩擦力是屬於_____ ;靜電力是屬於____ 。上述兩空格應分別填入何者?
超距力、超距力
超距力、接觸力
接觸力、超距力
接觸力、接觸力
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
聖美以水銀進行托里切利實驗,已知當時氣壓為一大氣壓。若她不小心傾斜了試管,如圖所示。則下列各項敘述何者錯誤?
A 點的上端稱為托里切利真空
試管傾斜後,水銀柱的垂直高度會大於 76 公分
若將水銀換成水,則管內 AB 段的高度會變為 1033.6 公分
B 點的壓力為 1033.6 公克重∕平方公分
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
一均質鐵球(密度為 7.7 g/cm3)放入盛滿汽油(密度為 0.75 g/cm3)之燒杯中,溢出汽油 300 gw,則鐵球所受浮力是多少 gw?
300×0.75
300
300÷0.75
300÷0.75×7.7
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
作托里切利實驗,如圖,不慎滲入空氣,測得試管內水銀高度為 38 cm。若玻璃管夠長,將玻璃管上拉 10 cm,玻璃管口仍浸在水銀中,則水銀柱將如何?
上升
下降
維持原高度
無法判斷
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
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