Why does a flame go out when you cover it? Why does the flame go out when the jar is covering it? The substance that reacts with the candle wax is oxygen. So, when that oxygen is used up, the reaction can’t keep going. Running out of oxygen makes the flame go out. Why is […]
Which structure of the eye is responsible for color vision?
Which structure of the eye is responsible for color vision? Cones are responsible for sharp, detailed central vision and color vision and are clustered mainly in the macula. Rods are responsible for night and peripheral (side) vision. How does the retina process visual information? Visual processing and, ultimately, visual fields begin in the retina. Light […]
What is the energy of the first excited state?
What is the energy of the first excited state? In search of its lowest energy configuration the Hydrogen atom in the first excited state will de-excite to the ground-state, by emitting a photon of energy exactly E2 – E1. The de-excitation process is takes place in a fraction of a second. What will be the […]
How many cubes does 0.5 cm have on the side?
What is the difference between alkaline batteries and regular ones?
What is the difference between alkaline batteries and regular ones? Alkaline batteries have a higher energy density and a longer shelf life – the time a battery can remain in storage without losing any of its capacity. Lastly, the Alkaline cells have an Extra Power Formula to maintain power for a longer period in high-drain […]
What solution Cannot dissolve any more solute?
What solution Cannot dissolve any more solute? When a solution reaches the point where it cannot dissolve any more solute it is considered “saturated.” If a saturated solution loses some solvent, then solid crystals of the solute will start to form. What happens when solute mixed with solvent? When one substance dissolves into another, a […]
What are three important environmental laws?
What are three important environmental laws? The six laws related to environmental protection and wildlife are: The Environment (Protection) Act, 1986; The Forest (Conservation) Act, 1980; The Wildlife Protection Act, 1972; Water (Prevention and Control of Pollution) Act, 1974; Air (Prevention and Control of Pollution) Act, 1981 and The Indian Forest Act, 1927. Why are […]
Why do we have 2 tides a day?
What is the main reason mountaintops are so cold?
What is the main reason mountaintops are so cold? What is the main reason mountaintops are so cold? Mountaintops are above much of the greenhouse gas in the atmosphere. Light gases such as hydrogen move faster than heavier gases and escape from Earth’s gravitational field. Do terrestrial planets have layered interiors? The interiors have layers […]