What does it look like in a black hole? Black holes have gravitational fields so strong that even light cannot escape, so they are defined by the shell of a black, featureless sphere called an event horizon. But the holes can nevertheless be seen. As they consume matter that strays too close, they squeeze it […]
Which ice shape lasts longest?
Which ice shape lasts longest? Rate of heat dissipation is proportional to surface area. A sphere has the smallest surface area to volume. A spherical ice “cube” would stay frozen the longest. Why is cubed ice better than crushed? Its only advantage is that it cools liquid more quickly. There’s more surface area, which means […]
What are the two materials normally used to construct insulation shielding systems?
What are the two materials normally used to construct insulation shielding systems? The insulation shield for a medium voltage cable is made up of two components: Semiconducting or stress relief layer. Metallic layer of tape or tap , drain wires, concentric neutral wires, or a metal tube. What is the circular mil area of 12 […]
What are the four main classes of macromolecules?
What are the four main classes of macromolecules? The four major classes of biological macromolecules are carbohydrates, lipids, proteins, and nucleic acids. In what organisms are starch and glycogen found? Starch (a polymer of glucose) is used as a storage polysaccharide in plants, being found in the form of both amylose and the branched amylopectin. […]
How many types are fuel?
How many types are fuel? Chemical Primary (natural) Secondary (artificial) Solid fuels wood, coal, peat, dung, etc. coke, charcoal Liquid fuels petroleum diesel, gasoline, kerosene, LPG, coal tar, naphtha, ethanol Gaseous fuels natural gas hydrogen, propane, methane, coal gas, water gas, blast furnace gas, coke oven gas, CNG What is fuel and how the fuel […]
Is displacement the area under a velocity time graph?
Is displacement the area under a velocity time graph? The area under a velocity-time graph is the displacement. Velocity can be negative if an object is moving backwards. The displacement can also be negative. An area beneath the x-axis has a negative value. What is a displacement vs time graph? Displacement-time graphs show how the […]
How do plants benefit from humans?
How do plants benefit from humans? In a way, they are a cycle — plants help humans breathe by providing us with oxygen, and humans help plants “breathe” by providing them with carbon dioxide. Why does photosynthesis not occur at night? Photosynthesis doesn’t occur at night. When there is no photosynthesis, there is a net […]
Why do I see white as green?
Why do I see white as green? Chloropsia or “green vision” is a form of chromatposia in which the abnormal colour perception is that of unexpected green sensations. It could also be Phosphenes—Phosphenes are the moving visual sensations of stars and patterns we see when we close our eyes. … What does seeing green mean? […]
What is the most common type of delusion?
What is the most common type of delusion? Persecutory delusions are the most common type of delusions and involve the theme of being followed, harassed, cheated, poisoned or drugged, conspired against, spied on, attacked, or otherwise obstructed in the pursuit of goals. How long do delusions last? Additionally, two or more symptoms, such as hallucinations, […]
Will there be board practicals in 2021?
Will there be board practicals in 2021? It is to be noted that practical exams for CBSE Class 10, 12 Board Exams 2021 have commenced from March 1. The CBSE has already allowed the schools to complete the practicals by June 11, 2021 due to coronavirus outbreak. Is syllabus reduced for NEET 2021? Is NEET […]