Which of the following statements about quantum tunneling is not true?
A) It is used in modern electronics and, in fact, our modern-day computers would not work without it.
B) Although it has been observed to occur, it violates all other known laws of nature and explaining it therefore represents a major challenge to physicists.
C) It plays a crucial role in nuclear fusion in the Sun.
D) It allows electrons and other subatomic particles to pass through wall-like energy barriers even when it seems they do not have enough energy to get through the barriers.
Question 2
A novice marksman fires a rifle while holding the butt of the rifle a couple of centimeters away from his shoulder. Explain what happens in terms of the physical principles involved.
What will be an ideal response?