Question

Определите кинетическую энергию электронов рентгеновской трубке если она работает под напряжением в 150 кВ?

Answer 1

Ek=eU; e-элементарный заряд(заряд электрона);
Ek=1.6*10⁻¹⁹*150000=2.4*10⁻¹⁴ Дж

Answer 2

Determining the Kinetic Energy of Electrons in an X-ray Tube

To determine the kinetic energy of electrons in an X-ray tube operating at a voltage of 150 kV, we can use the equation for the kinetic energy of a particle:

Kinetic Energy (KE) = 1/2 * mass * velocity^2

In this case, the particles are electrons, and we need to find their velocity. To do that, we can use the equation for the electron's velocity in terms of its charge and the electric potential difference:

velocity = sqrt(2 * charge * voltage / mass)

The charge of an electron is -1.6 x 10^-19 coulombs and the mass of an electron is 9.11 x 10^-31 kilograms.

Let's calculate the kinetic energy of the electrons in the X-ray tube.

First, let's calculate the velocity of the electrons:

velocity = sqrt(2 * (-1.6 x 10^-19 C) * (150,000 V) / (9.11 x 10^-31 kg))

Calculating this value gives us a velocity of approximately 2.19 x 10^7 m/s.

Now, let's calculate the kinetic energy using the velocity we just found:

Kinetic Energy (KE) = 1/2 * (9.11 x 10^-31 kg) * (2.19 x 10^7 m/s)^2

Calculating this value gives us a kinetic energy of approximately 2.19 x 10^-14 joules.

Therefore, the kinetic energy of the electrons in the X-ray tube operating at a voltage of 150 kV is approximately 2.19 x 10^-14 joules.

Please note that the calculations provided are based on the given information and assumptions about the X-ray tube.