What is Stokes law and its derivation? The law is derived considering the forces acting on a particular particle as it sinks through the liquid column under the influence of gravity. The force that retards a sphere moving through a viscous fluid is directly proportional to the velocity and the radius of the sphere, and […]
What is time period class8?
What is time period class8? Time period of vibration The time taken by pendulum bob to complete one vibration or one oscillation is called the time period of pendulum. The time taken by a vibrating object to complete one vibration is called its time period. What comes after a Teraannum? There is a megaannum (Ma) […]
How can you tell if a tornado is coming?
How can you tell if a tornado is coming? What are the Signs of a Tornado ? Cloud Base. The Cloud Base is actually and consistently rotating (EVEN IF SLOWLY). Wall Cloud. A Wall Cloud, a large LOWERING cloud formation. Dust Debris. Sudden Stop | Eerily Quiet. Intense Wind Shift. Greenish – Black Sky. Very […]
Are Finns Nordic or Slavic?
Are Finns Nordic or Slavic? Finns are North Europeans, closely related to Estonians and Swedes-Norwegians, but also to North Russian and Baltic people. Via N male ancestry, which is Finnic. They are neither Slavic nor Scandinavian but because of Finland’s close history to Sweden, they are most likely closer to Scandinavian. What would happen if […]
Can you drive in freezing rain?
Can you drive in freezing rain? Don’t drive, if you don’t have to. If you are aware of freezing rain conditions, stay home. Even with the reduction of speed, slick conditions like freezing rain just means that you will slide slower across the ice-ridden roads. Is driving with sleet dangerous? One of the reasons it […]
Why is water essential to us give four ways Class 6?
Why is water essential to us give four ways Class 6? For personal or domestic needs – Water is used for drinking and bathing, washing clothes and dishes, cleaning the house and watering plants. What is called rain? Rain is a kind of precipitation. Precipitation is any kind of water that falls from clouds in […]
What is an electron changing energy levels called?
How can groundwater erosion be prevented?
How can groundwater erosion be prevented? mulch. Using straw, wood chips, saw dust, or some other material as ground cover can limit the effects of erosion until plants or crops can grow to the point of protecting the soil themselves. Are caves formed by erosion? Corrasional or erosional caves are those that form entirely by […]
What is the direction of magnetic lines of force in a bar magnet?
What is the direction of magnetic lines of force in a bar magnet? (a) The direction of magnetic field lines outside a bar-magnet is from North seeking pole to south seeking pole while inside the magnet it is from south to north seeking pole. Is swallowing a small magnet harmful? Swallowing a single magnet is […]