Quantum Tunneling Quiz

What is required for a ball to escape a bowl in classical physics?

• Enough electrical energy

• Enough thermal energy

• Enough gravitational potential energy

• Enough kinetic energy

What is the main concept introduced in the video?

• Quantum tunneling

• Classical mechanics

• Electromagnetism

• Thermodynamics

According to Heisenberg's uncertainty principle, what can be uncertain for a short time?

• Mass

• Energy

• Velocity

• Position

What is the role of the uncertainty principle in quantum tunneling?

• It increases the mass of particles

• It allows particles to borrow energy

• It decreases the speed of particles

• It changes the charge of particles

What does the wavefunction describe in quantum tunneling?

• The mass of a particle

• The probability of finding a particle

• The charge of a particle

• The speed of a particle

What is the probability of finding an electron outside the bowl according to the wavefunction?

• Very high

• Zero

• Small but not zero

• Exactly one

In the Sun, what force takes over after quantum tunneling allows hydrogen nuclei to get close?

• Gravitational force

• Electromagnetic force

• Strong nuclear force

• Weak nuclear force

What happens to conducting crystals in a 3D touch screen when pressed harder?

• They move further apart

• They change color

• They move closer together

• They emit light

What phenomenon allows electrons to move between conducting crystals in 3D touch technology?

• Thermal conduction

• Quantum tunneling

• Magnetic induction

• Electrical resistance

What is an example of quantum tunneling in everyday technology?

• Solar panels

• 3D touch screens

• LED lights

• Electric motors