In quantum physics, which quantum number primarily specifies an electron shell in an atom?
Answer
Principal quantum number
89685 Intermediate Trivia Questions
89685 public questions at this depth. How many can you answer?
What unit is commonly used to express the energy of a single quantum particle?
Answer
Electronvolt
Which atomic experiment measured the quantized deflection of silver atoms in a magnetic field?
Answer
Stern–Gerlach experiment
What type of weather front forms when a cold front overtakes a warm front?
Answer
Occluded front
What is standard sea-level atmospheric pressure in hectopascals?
Answer
1013.25 hPa
Which location has the world’s highest average annual rainfall?
Answer
Mawsynram
What instrument measures sunshine duration in meteorology?
Answer
Sunshine recorder
What is the name of the boundary between Earth’s troposphere and stratosphere?
Answer
The tropopause
Who developed the Fujita scale for rating tornado damage?
Answer
Ted Fujita
In population genetics, what principle predicts that allele frequencies remain constant without evolutionary forces?
Answer
Hardy–Weinberg principle
Which DNA sequencing method did Frederick Sanger develop and share a 1980 Nobel Prize for?
Answer
Chain-termination sequencing
Which molecule carries amino acids to the ribosome during protein synthesis?
Answer
Transfer RNA
Which human chromosome contains the CFTR gene associated with cystic fibrosis?
Answer
Chromosome 7
What is the name of the enzyme that synthesizes RNA from a DNA template?
Answer
RNA polymerase
Which scientist coined the term “genetics” in 1906?
Answer
William Bateson
Which geneticist coined the term “gene” in 1909?
Answer
Wilhelm Johannsen
Which human chromosome is the largest by physical length?
Answer
Chromosome 1
Which bridge became famous for Cold War spy exchanges between West Berlin and East Germany?
Answer
Glienicke Bridge
Which 18-year-old East German was shot and left dying at the Berlin Wall in 1962?
Answer
Peter Fechter
Which Berlin Wall memorial includes the preserved Church of Reconciliation’s foundations?
Answer
Berlin Wall Memorial
Which bridge carried the Berlin Wall across the River Spree?
Answer
Oberbaum Bridge
Which two leaders are depicted in the Berlin Wall mural known as “The Fraternal Kiss”?
Answer
Leonid Brezhnev and Erich Honecker
Which artist painted the East Side Gallery mural known as “The Fraternal Kiss”?
Answer
Dmitri Vrubel
What was the approximate total length of the Berlin Wall system?
Answer
155 kilometres
In which lunar region did Apollo 16 land?
Answer
Descartes Highlands
Which NASA mission first orbited Saturn and studied its rings for more than a decade?
Answer
Cassini–Huygens
Which NASA mission deployed the first rover to operate on Mars, landing in July 1997?
Answer
Mars Pathfinder