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Sin título
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Preguntas del test (11)
1What is a light ray?
- Acan be produced by a ray-box or a laser pointer
- Ban arrow used to represent the path of light
- Ca column of light
- Dcan be reflected by luminous objects
2Which of the following(s) is/are the correct description(s) of temperature?
- AIt is the measure of the hotness of an object
- BIt is the average kinetic energy of the molecules of an object
- CThe temperature of vacuum is 0
- DThe lower fixed point of temperature is -273 Degree Celsius which is the absolute zero
3All images are virtual when we view an object using our eyes.
- AVerdadero
- BFalso
4What is internal energy?
- ATotal amount of heat energy of molecules inside an object
- BTotal amount of potential energy of molecules inside an object
- CTotal amount of kinetic energy of molecules inside an object
- DTotal amount of kinetic, heat, kinetic energy of molecules inside an object
- ETotal amount of all kind of energy inside an object
5We can transfer heat energy through heating
- AVerdadero
- BFalso
6All kinds of thermometer such as liquid-in-glass thermometer and liquid crystal thermometer are used to measure temperature.
- AVerdadero
- BFalso
7Which of the following quantities must be specified in defining the fixed points in Celsius scale
- AThe air pressure
- BThe humidity
- CThe thermometric materiel of the thermometer
- DThe light intensity
8Power is the rate of heat energy transferred.
- AVerdadero
- BFalso
9The unit of power is J
- AVerdadero
- BFalso
10The potential energy of water are always constant
- AVerdadero
- BFalso
11liquid-in-glass clinical thermometer uses mercury as the thermometric liquid.
- AVerdadero
- BFalso
Información
- Descripción
- Test sobre Sin título, creado por Helen Wong el 08/11/2014.
- Autor
- Helen Wong
- Idioma
- English
- Visitas
- 2
- Valoración
- Aún sin valoraciones Valora este test