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一、选择题1.气象卫星向地面发送的云图,是由卫星上的红外线感应器接收云层的红外线而形成的图像,云图上的黑白程度由云层的温度高低决定,这是利用了红外线的A.热效应 B.容易发生衍射C.不可见性 D.容易发生干涉2.2002年,美国《科学》杂志评出《2001年世界十大科技
1. Multiple-choice questions 1. The cloud map sent by the weather satellite to the ground is an image formed by the infrared sensor on the satellite receiving the infrared rays from the clouds. The degree of black and white on the cloud map is determined by the temperature of the clouds. This is the use of infrared A. Thermal effects B. Diffraction prone to occur C. Invisibility D. Prone to interference 2. In 2002, the United States “Science” magazine named “World Top Ten Technology in 2001.”