配套习题- 密度计的原理及相关计算 -【青果学院】

挑战习题

1/5单选题

难度：

密度计上的刻度大小顺序是（　　）

A	上端大、下端小
B	上端小、下端大
C	上下均匀
D	都可以

提示1：: PHA+5a+G5bqm6K6h5ZKM5oiR5Lus5bi455So55qE5by557Cn5rWL5Yqb6K6h5Yi75bqm57G75Ly8PGJyPjwvcD4=

提示2：: PHA+5a+G5bqm6K6h5rW45rKh6LaK5rexLOa2suS9k+WvhuW6pui2iuWwj++8jOWIu+W6puWAvOi2iuWwjy48YnI+PC9wPg==

提示3：: PHA+5a+G5bqm6K6h5LiK56uv5bCPLOS4i+err+Wkp+OAgjxicj48L3A+

正确答案：Qg==

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2/5单选题

难度：

将密度计分别放到甲、乙两种液体中，液体表面位置分别在密度计的A、B处，如图所示，由此可知（　　）

A	甲种液体密度大
B	甲、乙两种液体密度一样大
C	乙种液体密度大
D	无法判断

提示1：: PHA+5a+G5bqm6K6h5Yi75bqm5LiK56uv5bCP77yM5LiL56uv5aSn44CCPC9wPg==

提示2：: PHA+55Sy5a+G5bqm5a+55bqU5Yi75bqmQe+8jOS5meWvhuW6puWvueW6lOWIu+W6pkI8L3A+

提示3：: PHA+QeWIu+W6puWkp+S6jkLliLvluqbjgII8L3A+

正确答案：QQ==

PGRpdj7lr4bluqborqHlnKjmsLTkuK3mvILmta7vvIzmiYDlj5fph43lipvkuI7mta7lipvnm7jnrYnvvIzljbPlnKjov5nkuKTnp43mtrLkvZPkuK3lr4bluqborqHmiYDlj5fmta7lipvnm7jnrYnvvIzkuZnmtrLkvZPkuK3mjpLlvIDmsLTnmoTkvZPnp6/lpKfvvIznlLFGPc+BZ1blvpfkuZnmtrLkvZPnmoTlr4bluqbopoHlsI8uPGJyPjwvZGl2PjxkaXY+5oiW6ICFIOaIkeS7rOiusOS9j++8jOWvhuW6puiuoeWIu+W6puS4iuWwj+S4i+Wkp+WNs+WPr+OAgjxicj48L2Rpdj4=

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3/5单选题

难度：

把同一支密度计分别浮在水、煤油和盐水中，静止时密度计受到的浮力是（　　）

A	在水中最大
B	在煤油中最大
C	在盐水中最大
D	一样大

提示1：: PHA+5a+G5bqm6K6h5Zyo5rC05Lit5ryC5rWu77yM5rWu5Yqb562J5LqO6YeN5Yqb44CCPC9wPg==

提示2：: PHA+6YeN5Yqb5LiN5Y+Y77yM5rWu5Yqb5LiA5qC35aSn44CCPC9wPg==

提示3：: PHA+5Lqy77yB5bey57uP5b6I566A5Y2V5LqG77yM5LiN6KaB5YaN55yL5o+Q56S65LqG44CCPC9wPg==

正确答案：RA==

PGRpdj7miorlkIzkuIDmlK/lr4bluqborqHliIbliKvmlL7lnKjmsLTjgIHnhaTmsrnlkoznm5DmsLTkuK3vvIzpnZnmraLml7blr4bluqborqHmgLvlpITkuo7mvILmta7nirbmgIHvvIzmiYDlj5fmta7lipvmgLvmmK/kuI7lhbboh6rouqvph43lipvlpKflsI/nm7jnrYnvvIznlLHkuo7lr4bluqborqE8YnI+55qE6YeN5Yqb5LiN5Y+Y77yM5omA5Lul5a+G5bqm6K6h5Zyo5LiN5ZCM5ray5L2T5Lit5omA5Y+X5rWu5Yqb5aSn5bCP5LiN5Y+Y77yM5Zug5q2k6K+l6YCJ6aG5QeOAgULjgIFD5LiN5q2j56GuLjxicj48L2Rpdj4=

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4/5单选题

难度：

大军将一支密度计分别放入两种不同的液体中，如图所示. 若两种液体的密度分别ρ_甲、ρ_乙，静止时密度计所受浮力分别为F_甲、F_乙，则（　　）

A	ρ_甲＞ρ_乙；F_甲=F_乙
B	ρ_甲＜ρ_乙；F_甲＞F_乙
C	ρ_乙＞ρ_甲；F_甲＜F_乙
D	ρ_乙＞ρ_甲；F_甲=F_乙

提示1：: PHA+5a+G5bqm6K6h5pS+5Zyo5ray5L2T5Lit5ryC5rWu77yM5rWu5Yqb5rC46L+c562J5LqO6YeN5Yqb44CCPC9wPg==

提示2：: PHA+5rW45rKh5ray5L2T5rex5bqm6LaK5rex77yM6K+05piO5ray5L2T5a+G5bqm6LaK5bCP44CCPC9wPg==

提示3：: PHA+55Sy55qE5a+G5bqm5bCP5LqO5LmZ55qE5a+G5bqm77yM5Lik5Liq5rWu5Yqb55u4562J44CCPC9wPg==

正确答案：RA==

PGRpdj7iiLXlr4bluqborqHmvILmta7vvIw8YnI+4oi0RjxzdWI+5rWuPC9zdWI+PUfvvIw8YnI+4oi05a+G5bqm6K6h5Zyo5Lik56eN5ray5L2T5Lit5Y+X5Yiw55qE5rWu5Yqb55u4562J77yM6YO9562J5LqO5a+G5bqm6K6h5Y+X5Yiw55qE6YeN5YqbR++8jDxicj7iiLVGPHN1Yj7mta48L3N1Yj49z4E8c3ViPua2sjwvc3ViPmdWPHN1Yj7mjpI8L3N1Yj49R++8jDxicj7nlLHlm77nn6XvvIzlr4bluqborqHmjpLlvIDmtrLkvZPnmoTkvZPnp6/vvJpWPHN1Yj7nlLLmjpI8L3N1Yj7vvJ5WPHN1Yj7kuZnmjpI8L3N1Yj7vvIw8YnI+4oi05ray5L2T55qE5a+G5bqm77yaz4E8c3ViPueUsjwvc3ViPu+8nM+BPHN1Yj7kuZk8L3N1Yj4uPC9kaXY+

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5/5单选题

难度：

有一支密度计，浮在水中时，所受的浮力为F₁，浸入水中体积为V₁；将它放在煤油中，所受的浮力为F₂，浸入煤油中的体积为V₂，已知ρ_煤油＜ρ_水，那么F₁与F₂，V₁与V₂相比较（　　）

A	F₁=F₂，V₁=V₂
B	F₁=F₂，V₁＜V₂
C	F₁＞F₂，V₂＞V₁
D	F₁＞F₂，V₁=V₂

提示1：: PHA+5a+G5bqm6K6h5pS+5Zyo5ray5L2T5Lit5ryC5rWu77yM5rWu5Yqb5rC46L+c562J5LqO6YeN5Yqb44CCPC9wPg==

提示2：: PHA+5rW45rKh5ray5L2T5L2T56ev6LaK5aSn77yM6K+05piO5ray5L2T5a+G5bqm6LaK5bCP44CCPC9wPg==

提示3：: PHA+5Y+N5LmL77yM5a+G5bqm6LaK5aSn77yM5rW45rKh5L2T56ev6LaK5bCP44CCPC9wPg==

正确答案：Qg==

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