(1)将图甲所示正在响铃的闹钟放入玻璃罩内,抽走罩内气体,闹铃的声音
(2)将图乙所示盛有少量热水的烧杯放入玻璃罩内,抽走罩内气体,杯内的水沸腾,杯内水的温度值
(3)将图丙所示的装置放入玻璃罩内,抽走罩内气体,试管内外水面的高度差
同类型试题
y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2