How much energy (in eV) does a photon of 500-nm light have? (h = 6.63 × 10^-34 J×s, c = 3.00 × 10^8 m/s, 1 eV = 1.60 × 10^-19 J, and 1 nm = 10-9 m)

a. 1.78 eV
c. 1.24 eV
b. 2.48 eV
d. 3.11 eV


B

Physics & Space Science

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Answer the following statement(s) true (T) or false (F)

1. Consider a uniformly charged circular loop and a uniformly charged straight wire. These two charge distributions create very different electric fields in the empty space that surrounds them. Even so, the divergence a distance r from the center of the loop along its axis and the divergence the same distance r from the wire’s center have the same numerical value.

Physics & Space Science

Which of the following could be the molecular formula for an alkene?

a. C5H5 b. C2H4 c. C3H5 d. C9H16 e. C4H10

Physics & Space Science

The sum of the baryonic and non-baryonic matter is 27.9% and thus equal to the critical density

a. True b. False Indicate whether the statement is true or false

Physics & Space Science

Series/Parallel Circuits: Identical ideal batteries are connected in different arrangements to the same light bulb, as shown in the figure. For which arrangement will the bulb shine the brightest?

A. A B. B C. C

Physics & Space Science