Category: Physics

Does gold have 2 valence electrons? Notice that the outermost level has only one electron. As an example, a neutral atom of gold (Au) contains 79 protons in its nucleus and 79 electrons. In the case of gold, there is only one valence electron in its valence level. What information is shown in an atom’s […]

What is the relationship between photosynthesis and transpiration? At the beginning of the drying phase, photosynthesis decreases less than transpiration, due to the existence of mesophyll CO resi stance adding to stomatal resi stance thus reducing the effect of stomata in the total resistance t o CO transfer (Tinus, 1974). What is the difference between […]

What is the most heat resistant metal in the world? New record set for world’s most heat resistant material. Researchers have discovered that tantalum carbide and hafnium carbide materials can withstand scorching temperatures of nearly 4000 degrees Celsius. What metal can withstand the most impact? What Is the Strongest Non-Alloy Metal in the World? Tungsten […]

What is another word for physical activity? WORDS RELATED TO PHYSICAL ACTIVITY action. amusement. athletics. ball. disport. diversion. exercise. frolic. What is the opposite of physical activity? It’s the opposite of active behaviour. It’s characterized by prolonged periods of inactivity or very little physical movement while awake. General examples of this is sitting or reclining. […]

Which harmonics are present in a closed pipe? Hint: Harmonics are the integer multiple of fundamental frequency or main frequency. Fundamental frequency of closed organ pipe is given by: f=v4l, f is the frequency, v is the velocity of progressive wave and l is the length of the resonator). Similarly, other odd harmonics are f=3v4l,f=5v4l……….. […]

Is baking bread a chemical change? Baking bread is a chemical reaction. To bake a loaf of bread, many ingredients must be mixed together and heat must be added. Why is melting not a chemical change? ice melting is not a chemical reaction because when an ice is melting there is no chemical change happening […]

What does N mm2 mean? 1 Newton Per Square Millimeter What is measured in N mm2? It should be written as N/mm² , it means Newton per square millimetre, and it is usually used as a unit for stress. It can also be written as MPa, MegaPascal, but as N/mm² it can be envisioned a […]

What does hustle grind mean? When you’re in hustle mode, you jump on everything that comes down the pipe because you see the few dollars you could make. Grind feels goal oriented, it starts with a goal and ends with a goal. A grind is short term dedication and discipline so that you can relax […]

What are the 3 types of aquifers? Confined aquifers have a layer of impenetrable rock or clay above them, while unconfined aquifers lie below a permeable layer of soil. Many different types of sediments and rocks can form aquifers, including gravel, sandstone, conglomerates, and fractured limestone. Does water harvesting increase ground water level? Rain water […]

What is the meaning of instant? noun. an infinitesimal or very short space of time; a moment: They arrived not an instant too soon. the point of time now present or present with reference to some action or event. a particular moment: at the instant of contact. What is an instant of time? An instant […]