Why does the speedometer of a car read instantaneous speed? The speedometer of a car read the instantaneous speed not the average speed. We know that average speed is the ratio of total distance to the total time.It changes during when the car is moving . What does the speedometer of the car measure? Speedometer, […]
How do you measure high temperature?
How do you measure high temperature? Pyrometer, device for measuring relatively high temperatures, such as are encountered in furnaces. Most pyrometers work by measuring radiation from the body whose temperature is to be measured. How do you measure temperature over 100 degrees? Fahrenheit and Celsius are two different scales for measuring temperature. A thermometer measuring […]
What is the major source of energy for living organisms?
What is the major source of energy for living organisms? The Sun What is importance of classification? Three importance of classification are: It helps in the identification of living organisms as well as in understanding the diversity of living organisms. To understand and study the features, similarities and differences between different living organisms and how […]
What is the result of constructive interference?
What is the result of constructive interference? Wave interference When two waves come close to one another, their effects add together. This is known as constructive interference, in which two waves (of the same wavelength) interact in such a way that they are aligned, leading to a new wave that is bigger than the original […]
What kinds of sensory receptors are in the skin?
What kinds of sensory receptors are in the skin? The sensory receptors in the skin are: cutaneous mechanoreceptors. Ruffini’s end organ (skin stretch) End-bulbs of Krause (Cold) Meissner’s corpuscle (changes in texture, slow vibrations) Pacinian corpuscle (deep pressure, fast vibrations) thermoreceptor. nociceptors. chemoreceptors. What are the four general senses? The general senses are pain, temperature, […]
How do people eat in space?
How do people eat in space? Astronauts mainly drink water while in space, but flavoured drinks are also available. Freeze-dried drink mixes such as coffee or tea, lemonade and orange juice are provided in vacuum sealed pouches. The astronauts then add water to the beverage pouch through the pressurised hose and suck the drink through […]
What is the color of the solution when AgNO3 is mixed with NaCl?
What is the color of the solution when AgNO3 is mixed with NaCl? For example, when an aqueous solution of silver nitrate (AgNO3) is added to the aqueous solution of sodium chloride (NaCl), a white precipitate of silver chloride (AgCl) is formed that is indicated by the following chemical reaction. What are the products of […]
Can water be affected by a charged rod?
What lives in a salt marsh?
What lives in a salt marsh? Composed of fine silts and clays, mud flats harbor burrowing creatures including clams, mussels, oysters, fiddler crabs, sand shrimp, and bloodworms. Salt marshes are salty because they are flooded by seawater every day. They are marshy because their ground is composed of peat. How do humans impact salt marshes? […]
What are the elements of circle?
What are the elements of circle? Important Circle Parts Radius: The distance from the center of the circle to its outer rim. Chord: A line segment whose endpoints are on a circle. Diameter: A chord that passes through the center of the circle. Secant: A line that intersects a circle in two points. How do […]