Production of x-rays can be regarded as the inverse of _____?

Production of x-rays can be regarded as the inverse of _____?

ایکس رے کی تیاری کو _____ کے الٹا سمجھا جاسکتا ہے؟
Explanation

In the photoelectric effect, photons strike a metal and release electrons.

In x-ray production, high-energy electrons strike a metal and emit photons — the reverse of the photoelectric effect.