The rate at which this is quantity passes through a fixed boundary per unit time  a. Flux  b. Existence  c. Irradiance  d. All of these

The rate at which this is quantity
passes through a fixed boundary per
unit time
 a. Flux
 b. Existence
 c. Irradiance
 d. All of these
by

1 Answer

Answer :

All of these
by

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