Definition of phosphorescence

1 answer:

4 0

Light emitted by substance without combustion or perceptible heat emission of radiation in a similar manner to florescence but on a longer time scale so that emission continues after excitation ceases.

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A toy boat moves horizontally in a pond. The horizontal position of the boat in meters over time is shown below. What is the dis

arsen [322]

Answer:

displacement=-21

distance=39

Explanation:

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3 years ago

What is a cloud made of

Angelina_Jolie [31]

Answer:

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Explanation:

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4 years ago

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An AC voltage source and a resistor are connected in series to make up a simple AC circuit. If the source voltage is given by ΔV

ra1l [238]

Answer:

t = 5.48 × 10⁻³ s

Explanation:

Given:

ΔV = ΔVmax × sin(2πft)

frequency, f = 16.9Hz