Advertisements
Advertisements
प्रश्न
Which particles at the surface hold free electrons inside the metal?
पर्याय
Photons from light sensors
Emitted electrons
Positive ions
Electrons in vacuum tubes
MCQ
Advertisements
उत्तर
Positive ions at the metal surface attract free electrons inward. Their attraction is the barrier an escaping electron must overcome.
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
