A Photosensitive Surface Is Illuminated with Both Blue and Violet

question 47

Multiple Choice

A photosensitive surface is illuminated with both blue and violet light. The light that will cause the most electrons to be ejected is the

• A) violet light.
• B) blue light.
• C) Both eject the same number.
• D) not enough information given

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Definitions:

Lava Flow

Molten rock expelled by a volcano during an eruption that moves over the ground’s surface, eventually cooling and solidifying.

Intermediate

A term often used to describe a middle or median condition, quality, or degree, such as in the context of volcanic rocks that have silica content between felsic and mafic compositions.

Vesicular Basalt

A basalt that contains vesicles.

Basalt

A fine-grained, dark volcanic rock created through the quick cooling of basaltic lava when it is exposed at, or just beneath, the earth's surface.