
又黎小小溫習 S5

Quiz
•
Physics
•
11th Grade
•
Hard
CHU (CWT)
Used 4+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
學生把 −20 °C的冰塊加入水中,水的温度為30 °C,質量為80 g。當混合物達至熱平衡時,混合物中餘下30 g的冰。求冰塊最初的質量。假設沒有熱散失到周圍環境中。
已知: 水的比熱容量 = 4200 J kg−1 °C−1
冰的比熱容量 = 2100 J kg−1 °C−1
冰的熔解比潛熱 = 334 000 J kg−1
0.0186 kg
0.0434 kg
0.0486 kg
0.0535 kg
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
把相同質量的物質X和Y加熱,兩者所受的加熱率相同。下圖顯示兩者的温度—時間關係線圖。起初,兩者皆處於固態。
根據線圖,下列哪些物理量是物質X大於物質Y的?
熔解比潛熱和固態時的比熱容量
熔解比潛熱和液態時的比熱容量
熔點和固態時的比熱容量
熔點和液態時的比熱容量
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
一輛汽車沿直路行駛,經過一盞交通燈。汽車在交通燈後150 m之處,車速為10 m s−1。以下線圖表示汽車的加速度a如何隨汽車和交通燈之間的距離d而變化。從線圖可見,汽車的運動可分成 (I)、(II)、(III) 三個階段。
下列哪項有關汽車運動的敍述是正確的?
(1) 汽車在階段 (I) 及 (III) 以非零的恆速率移動。
(2) 汽車在階段 (II) 作勻加速運動。
(3) 當汽車和交通燈相距250 m時,汽車的速率為17.3 m s−1。
只有 (1)
只有 (3)
只有 (1) 和 (2)
只有 (2) 和 (3)
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A
B
C
D
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A
B
C
D
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A
B
C
D
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
只有 (1)
只有 (3)
只有 (1) 和 (2)
只有 (2) 和 (3)
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