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- 1. Multiple Choice
Select all that apply. Heisenberg's uncertainty principle tells us that
we can know both an object's speed and position at a given time
we can know either an object's speed or its position at any given time
measuring an object's speed changes its position
measuring an object's position changes its speed
it is impossible to measure an object's speed or position
- 2. Multiple Choice
Heisenberg's uncertainty principle exists because
light is a wave
light is a particle
matter is a wave
matter is a particle
everything in the universe is a wave and particle at the same time
- 3. Multiple Choice
Select all that apply to particles.
easy to measure their position
easy to measure their speed
difficult to measure their position
difficult to measure their speed
- 4. Multiple Choice
Select all that apply to waves.
easy to measure their position
difficult to measure their position
easy to measure their speed
difficult to measure their speed
- 5. Multiple Choice
To determine the speed and position of a particle, we must
measure its speed then measure its position
measure its position then measure its speed
combining waves
combining particles
- 6. Multiple Choice
Select all that apply to Heisenberg's uncertainty principle.
decreasing the uncertainty in a particle's position decreases the uncertainty in a particle's speed
decreasing the uncertainty in a particle's position increases the uncertainty in a particle's speed
decreasing the uncertainty in a particle's speed decreases the uncertainty in a particle's position
decreasing the uncertainty in a particle's speed increases the uncertainty in a particle's position
- 7. Multiple Choice
When it comes to electrons moving around an atom,
we know where the electron will be at all times
we never know where the electron is at any time
we know where the electron might be at a given time based on probability
the electron will probably leave the atom
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