What is potential difference class 10th? Potential difference between any two points is defined as the amount of work done in moving a unit charge from one point to another. Is voltage and potential difference same? Electric potential difference, also known as voltage, is the external work needed to bring a charge from one location […]
Why is spectrum of seven Colours formed when sunlight passes through a prism?
Why is spectrum of seven Colours formed when sunlight passes through a prism? A rainbow has seven colors because water droplets in the atmosphere break sunlight into seven colors. A prism similarly divides light into seven colors. When light leaves one medium and enters another, the light changes its propagation direction and bends. What is […]
At what angle from horizontal Must we keep the mirror?
At what angle from horizontal Must we keep the mirror? According to the laws of reflection, angle of incidence is equal to angle of reflection. What should be the angle between two plane mirrors? 90 degrees What will be the angle between the incident ray & reflecting surface when the angle of incidence is 60? […]
Which are most likely to be used during a routine visit to the dentist?
Which are most likely to be used during a routine visit to the dentist? radiopharmaceuticals and X-rays. What is the numbing agent dentists use? Novocaine is the brand name for a local anesthetic called procaine. It is a local anesthetic medication that is used to numb a particular part of the body. It is most […]
Are transition metals positive or negative?
Are transition metals positive or negative? 1 Answer. Transitions metals are uniformly positively charged. Do transition metals have a full outer shell? Transition metals can use the two outermost shells/orbitals to bond with other elements. It’s a chemical trait that allows them to bond with many elements in a variety of shapes. Why can they […]
What does it mean when a girl waves at you with her fingers?
What does it mean when a girl waves at you with her fingers? A wave is a hand gesture directed at another person usually in a context of greeting or departure. It means hello or bye. Why do royals sleep in separate beds? Biographical royal reads Lady Pamela explained, “In England, the upper class always […]
Which is more dangerous 220v AC or 220v DC?
What is magnetic field lines and its properties?
What is magnetic field lines and its properties? Magnetic fields can be pictorially represented by magnetic field lines, the properties of which are as follows: The field is tangent to the magnetic field line. Field strength is proportional to the line density. Field lines cannot cross. Field lines are continuous loops. Can we see magnetic […]
What is the use of pulley?
What is the use of pulley? In addition to lifting things, pulleys can be used singly or with many pulleys working together in order to transport people or things. They can also be used to provide power from one shaft to another. Examples of pulleys include: Elevators use multiple pulleys in order to function. What […]
What stresses will cause a system to shift equilibrium?
What stresses will cause a system to shift equilibrium? Summary. Three types of stresses can alter the composition of an equilibrium system: adding or removing reactants or products, changing the total pressure or volume, and changing the temperature of the system. What happens when you add reactant to a system at equilibrium? One way is […]