Suppose that a very low intensity light is able to eject electrons from a metal. From the time that the light is turned on, electrons begin to appear after a
(A) zero time delay.
(B) negative time delay.
(C) positive time delay.
(D) variable time delay.

Questions --- What this question is about
117.2

Suppose that a very low intensity light is able to eject electrons from a metal. From the time that the light is turned on, electrons begin to appear after a
(A) zero time delay. --- Yes.
Truly strange,
and strangely true.

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Questions --- What this question is about
117.2

Suppose that a very low intensity light is able to eject electrons from a metal. From the time that the light is turned on, electrons begin to appear after a
(B) negative time delay. --- No.
In that case, the effect precedes the cause.
The universe is odd but not that odd.

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117.2

Suppose that a very low intensity light is able to eject electrons from a metal. From the time that the light is turned on, electrons begin to appear after a
(C) positive time delay. --- No.
The wave theory would predict that.
It is reasonable but wrong.

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Questions --- What this question is about
117.2

Suppose that a very low intensity light is able to eject electrons from a metal. From the time that the light is turned on, electrons begin to appear after a
(D) variable time delay. --- No.
It is more definite than that.

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Questions --- What this question is about
117.2