A Beam of Light Having Frequency Greater Than the Threshold

question 66

True/False

A beam of light having frequency greater than the threshold frequency shines on a metal surface.By increasing the frequency of this light,you increase the number of photoelectrons emitted per second from this metal.

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Definitions:

Primitive Streak

The primitive streak is a structure that forms on the surface of the early embryonic disc, marking the beginning of gastrulation and establishing body axes.

Embryonic Disc

A flat plate of cells in early embryonic development that will form the embryo.

Capacitation

A physiological process that sperm must undergo within the female reproductive tract before they can successfully fertilize an egg.

Sperm

The male reproductive cell or gamete, capable of fertilizing the female ovum to produce offspring.