One light-minute is the distance that light travels in one minute. How far is this, in kilometers? (Recall that the speed of light is 300,000 km/s.)
A) 300,000 km
B) 18 million km
C) 100 million km
D) 1.08 billion km
E) 9.46 trillion km
B) 18 million km
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Indicate whether the statement is true or false
In the Bohr model of the hydrogen atom, the electron circles the proton at a distance of 0.529 × 10?10 m. Find the potential at the position of the electron.
What will be an ideal response?
An object is 50 cm in front of a plane mirror. Its image will be located
a. 50 cm in front of the mirror b. at the mirror's surface c. 50 cm behind the mirror d. 25 cm in front of the mirror e. 25 cm behind the mirror
Because electromagnetic radiation (EMR) of sufficient energy can excite electrons from stable orbitals, EMR is considered to travel in packets of energy called _________.
Fill in the blank(s) with the appropriate word(s).