Use the graph below to answer the following question: Maximum Kinetic Energy of
Ejected Photo-electron versus
Incoming Frequency
Maximum
Kinetic Energy
ONW
a)
JN
Frequency (E14 Hz)
What is the work function of the experimental photo-missive material?
A) 0.50eV
B) -2.9eV
C) -1.2 eV
D) -2.0ev

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Classify each possible hypothesis about a medicinal aloe vera plant as falsifiable or non-falsifiable. aloe vera gel is the best natural skin moisturizer. aloe vera gel can heal wounds by boosting cell renewal. aloe vera juice tastes better than carrot juice. drinking aloe juice can reduce the risk of lung cancer.

In a voltaic cell, electrons flow from the (positive/negative) to the (positive/negative) terminal.