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Some energy is lost in releasing the electrons from the nucleus. This energy is known as the work function, which relates to the threshold frequency. Therefore, the kinetic energy of the released photoelectron is equal to the photon energy minus the work function.

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Are kinetic and potential energy the same?

No, kinetic and potential energy are not the same. Kinetic energy is the energy of motion, while potential energy is stored energy that has the potential to do work in the future.


All the photo electrons do not have same energy why?

Photoelectrons do not have the same energy because each electron absorbs a different amount of energy from the incident photons based on the specific interaction between the photon and the electron. This is influenced by factors such as the photon energy, the binding energy of the electron in the material, and the angle of incidence. As a result, photoelectrons exhibit a range of energies rather than a single, uniform energy level.


Do two gases at the same temperature have the same kinetic energy?

Yes, two gases at the same temperature have the same average kinetic energy. Temperature is a measure of the average kinetic energy of the particles in a substance. Therefore, if two gases are at the same temperature, their particles have the same average kinetic energy.


Is kinetic energy the same as potential energy?

No, kinetic energy is the energy of motion, while potential energy is stored energy that has the potential to be converted into kinetic energy.


How can two objects have the same amount of kinetic energy?

Two objects can have the same amount of kinetic energy if they have the same mass and velocity. Kinetic energy is given by the formula KE = 0.5 * mass * velocity^2, so if both objects have the same mass and velocity, they will have the same kinetic energy.


Why do all gases with the same average kinetic energy move at the same velocity?

Gases with the same average kinetic energy move at the same velocity because kinetic energy is directly related to the speed of gas particles. When gases have the same average kinetic energy, it means they have the same amount of energy to move, resulting in them moving at the same speed.


Can two cars of different mass have the same kinetic energy?

Yes, two cars of different mass can have the same kinetic energy if they are moving at the same speed. Kinetic energy is dependent on both mass and speed, so if the speeds are equal, the kinetic energy will be the same regardless of the mass.


Is work and kinetic energy the same?

Work and kinetic energy are related concepts but not the same. Work is the transfer of energy that results in the displacement of an object, while kinetic energy is the energy an object possesses due to its motion. Work can change an object's kinetic energy by transferring energy to or from it.


Is kinetic energy the same as movement energy?

Yes


What If you have four balls all traveling at 5 meters per second which one has the most kinetic energy?

All four balls would have the same kinetic energy since kinetic energy is determined by both the mass and velocity of the object. If all four balls have the same mass and velocity, their kinetic energy would be equal.


Is work and kinetic energy equal the same thing?

No, work and kinetic energy are not the same thing. Work is the transfer of energy that results from a force acting over a distance, while kinetic energy is the energy an object possesses due to its motion. Work can change an object's kinetic energy by transferring energy to or from it.


What unit is used for kinetic energy?

The same units as for any type of energy. There is no special unit for kinetic energy.