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प्रश्न
Which one of the following metals does not exhibit emission of electrons from its surface when irradiated by visible light?
विकल्प
Rubidium
Sodium
Cadmium
Caesium
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उत्तर
Cadmium
Explanation:
Alkali metals belong to Group 1 elements. This group of elements includes lithium, sodium, potassium, rubidium, cesium, and francium.
Due to their high reactivity, alkali metals exhibit photoelectric emission when exposed to visible light, although cadmium is not one of these alkali metals.
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संबंधित प्रश्न
Photoelectric effect is ______.
At the end of the nineteenth century, which interaction were scientists studying?
What did experiments by Hallwachs and Lenard show about light and metals?
Which plate was exposed to ultraviolet light in Lenard's procedure?
What happened at the illuminated plate in Lenard's experiment?
Under what condition did current flow in Lenard's experiment?
What charge was given to the zinc plate before its exposure to ultraviolet light in Hallwachs' experiment?
What radiation was allowed to fall on the zinc plate in Hallwachs' experiment?
What happened to the electroscope when ultraviolet light fell on the zinc plate?
What were the particles emitted from the zinc surface in Hallwachs' experiment?
