Home › AP EAPCET (Engineering) › Chemistry › Atomic Structure › Who first observed the photoelectric effect in 1…
Who first observed the photoelectric effect in 1887?
AMax Planck
BR. Millikan
CHeinrich Hertz
DJ.J. Thomson
Answer & Solution
Correct answer: C. Heinrich Hertz
Hertz saw electrons ejected from metals like potassium when light fell on them.
Related questions
If two subshells have equal n + l values, which is filled first under the Aufbau rule?What are the two permitted values of the spin magnetic quantum number of an electron?How many orbitals does the d subshell contain?Which set lists all possible magnetic quantum numbers of a p electron?An electron sits in an s orbital. What is its magnetic quantum number?Which quantum number specifies the particular orbital within a subshell?The quantum numbers n = 3 and l = 0 describe an electron in which orbital?In which shell does the first d orbital appear?