What is the Planck length approximately equal to?

Fundamentals of Quantum Physics

Interactive Video
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Physics, Science, Mathematics
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9th - 12th Grade
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Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1.6 x 10^-35 meters
1.6 x 10^-25 meters
1.6 x 10^-15 meters
1.6 x 10^-5 meters
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Who revived the idea of the atom in the early 1800s?
John Dalton
Ernest Rutherford
Niels Bohr
Albert Einstein
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What did Ernest Rutherford's experiment reveal about atoms?
Atoms are made of water
Atoms are indivisible
Atoms are mostly empty space
Atoms are solid
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are protons made of?
Electrons
Neutrons
Quarks
Photons
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the size of a quark compared to a proton?
Twice the size
Same size
Ten times larger
One thousandth the size
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How much smaller is a neutrino compared to a quark?
A billion times smaller
A million times smaller
A hundred times smaller
Ten times smaller
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the significance of the Planck length in physics?
It is the largest measurable length
It is the smallest measurable length
It is the average size of an atom
It is the size of a galaxy
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