The Planck Length Is the Length at Which

question 53

Multiple Choice

The Planck length is the length at which

• A) quarks are expected to be squeezed out of existence.
• B) quantum gravitational effects are expected to become important.
• C) electric charge becomes a meaningless concept.
• D) strong nuclear force effects between quarks are expected to become important.
• E) photons acquire mass and move slower than lightspeed.