How do we use infrared waves in everyday life? Infrared (IR) light is used by electrical heaters, cookers for cooking food, short-range communications like remote controls, optical fibres, security systems and thermal imaging cameras which detect people in the dark. The heating effect of IR can cause burns to the skin. Can deer see IR […]
What does a horizontal line indicate?
What does a horizontal line indicate? A horizontal line is commonly used in technical analysis to mark areas of support or resistance. A horizontal line runs parallel to the x-axis. In technical analysis, the horizontal line is typically drawn along a swing high, or a series of them, where each high in the series stopped […]
What is the ideal gas thermometer?
What is the ideal gas thermometer? In principle, we can measure the same temperature using any gas, so long as the constant operating pressure is low enough. When we do so, our device is called the ideal gas thermometer. The (very nearly) direct proportionality of two low-pressure real gas volumes contrasts with what we observe […]
Are linear and angular momentum conserved separately?
Are linear and angular momentum conserved separately? Now, such an object can be assumed to have a constant mechanical energy. But that is only one part of the story. The fact is, since each linear and angular momentum of this object is conserved, the respective components of its linear and angular energy also would be […]
Is deceleration a physics word?
Is deceleration a physics word? Rick suggests: “Deceleration” is not actually a term in physics. It is only an English word used in common speech, meaning “a decrease in speed.” The problem with this word is that some students mistake it to mean the same as negative acceleration. Is deceleration a vector quantity? In a […]
Is there a right to healthcare?
Is there a right to healthcare? The right to health was again recognized as a human right in the 1966 International Covenant on Economic, Social and Cultural Rights. Since then, other international human rights treaties have recognized or referred to the right to health or to elements of it, such as the right to medical […]
Which gases is not a greenhouse gas?
Which gases is not a greenhouse gas? Examples for greenhouse gases: Carbon dioxides, Methane, Chlorofluorocarbon, sulphur dioxide. Whereas oxygen, nitrogen and argon are not examples of greenhouse gases. Is nitrogen monoxide a greenhouse gas? The direct greenhouse gases are carbon dioxide (CO2), nitrous oxide (N2O), and methane (CH4). The indirect greenhouse gases are non-methane volatile […]
What are the steps to conserve natural resources?
What are the steps to conserve natural resources? Below are 40+ ways to save and conserve natural resources. Use of alternative sources of power such as solar and wind energy. Plant trees to prevent soil erosion. Practicing of judicious ways to conserve water in our homes. Use pipelines to transport oil. Growing of vegetation in […]
What is a food chain in an ecosystem?
What is a food chain in an ecosystem? A food chain describes how energy and nutrients move through an ecosystem. In the food chain, energy is transferred from one living organism through another in the form of food. There are primary producers, primary consumers, secondary consumers and decomposers- all part of the food chain. How […]
Is Shiva linga a male organ?
Is Shiva linga a male organ? According to Sivaya Subramuniyaswami, the lingam signifies three perfections of Shiva. According to Rohit Dasgupta, the lingam symbolizes Shiva in Hinduism, and it is also a phallic symbol. Since the 19th-century, states Dasgupta, the popular literature has represented the lingam as the male sex organ. Is Shiva male or […]