Is gravitational force attractive in nature? We all know that all the forces in nature exist in opposites, but gravitational force is the only force that always attracts every object and never reples any. What is gravitational force is always in nature? (c) Gravitational force is always independent of other masses in the surroundings. How […]
What are the three layers of the earth answer?
What are the three layers of the earth answer? The Earth is divided into three main layers. The dense, hot inner core (yellow), the molten outer core (orange), the mantle (red), and the thin crust (brown), which supports all life in the known universe. Earth’s interior is generally divided into three major layers: the crust, […]
Are there male and female earthworms?
Are there male and female earthworms? Earthworms are hermaphrodites, meaning an individual worm has both male and female reproductive organs. Earthworm mating typically occurs after it has rained and the ground is wet. They emerge from the soil and jut out their anterior end. Do earthworms fertilize their own eggs? Earthworms are hermaphrodites (both female […]
What is the formula of packing efficiency?
What is the formula of packing efficiency? Packing efficiency can be written as below, Packing efficiency = Volume occupied by 6 spheres ×100 / Total volume of unit cells. Examples are Magnesium, Titanium, Beryllium etc. In body-centered cubic structures, the three atoms are arranged diagonally. Which crystal structure has the greatest packing efficiency? Crystal Structure: […]
What are the applications of uniform circular motion?
What are the applications of uniform circular motion? In uniform circular motion an object moves in circular path with constant speed and direction of motion changes every point of motion. Hence the motion is accelerated. Some of real life applications: –> Revolution of planets around sun. What is the formula for uniform circular motion? Therefore […]
How many V m is dangerous?
How many V m is dangerous? No known health effects are expected if your exposure to EMF falls below the levels in the following guidelines: natural electromagnetic fields (like those created by the sun): 200 V/m. power mains (not close to power lines): 100 V/m. power mains (close to power lines): 10,000 V/m. What is […]
Which two particles are found in the nucleus of an atom?
Which two particles are found in the nucleus of an atom? The nucleus contains two types of subatomic particles, protons and neutrons. The protons have a positive electrical charge and the neutrons have no electrical charge. A third type of subatomic particle, electrons, move around the nucleus. The electrons have a negative electrical charge. Which […]
What is a chemical property simple definition?
What is a chemical property simple definition? A chemical property is any of a material’s properties that becomes evident during, or after, a chemical reaction; that is, any quality that can be established only by changing a substance’s chemical identity. They can also be useful to identify an unknown substance or to separate or purify […]
What element is not found in nature?
What element is not found in nature? Technetium. The first element that was synthesised, rather than being discovered in nature, was technetium in 1937. This discovery filled a gap in the periodic table, and the fact that no stable isotopes of technetium exist explains its natural absence on Earth (and the gap). What is a […]
What is another name for soft?
What is another name for soft? What is another word for soft? squishy spongy plush plushy soft-sided mushy cushy fluffy supple not hard What are some soft words? Explore the Words velvet. a silky densely piled fabric with a plain back. brushed. touched lightly in passing; grazed against. cushiony. softened by the addition of cushions […]