Multiple Choice
An atom is excited when one or more of its electrons
A) vibrates.
B) is boosted into higher energy levels.
C) undergoes a frequency change.
D) becomes frantic.
Correct Answer:
Verified
Correct Answer:
Verified
Q5: Astronomers can detect the spin rates of
Q6: White-light LEDs employ<br>A)phosphors.<br>B)white-emitting diodes.<br>C)extra-high electrical barriers.<br>D)none of
Q7: The radiation curve for a red hot
Q8: The highest frequency of visible light is<br>A)red.<br>B)green.<br>C)blue.<br>D)violet.<br>E)all
Q9: A violet-hot star emits radiation having about
Q11: If a certain object emits visible waves
Q12: An object heated to twice the absolute
Q13: A paint pigment that absorbs blue light
Q14: If light in a spectroscope passed through
Q15: If the radiation curve for an incandescent