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Choose the correct statement
  • a)
    The life time of particles remains the same in all cases 
  • b)
    Particles traveling at speeds close to the speed of light disintegrate slower than when they are at rest. 
  • c)
    Particles traveling at speeds close to the speed of light disintegrate faster than when they are at rest. 
  • d)
    The life time of particles is greater when they are moving at speeds comparable to c.
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
Choose the correct statementa)The life time of particles remains the s...
Explanation:
Particles traveling at speeds close to the speed of light disintegrate slower than when they are at rest. This phenomenon is known as time dilation and is a consequence of Einstein's theory of special relativity.

Time Dilation:
According to special relativity, the passage of time is not absolute but is relative to the observer's frame of reference. When an object is moving at a high velocity, time appears to pass slower for that object compared to a stationary observer. This effect is called time dilation.

Relativistic Time Dilation:
When particles travel at speeds close to the speed of light, they experience relativistic effects, including time dilation. As the speed of an object approaches the speed of light, its relative time slows down compared to a stationary observer. This means that the particles traveling at high speeds have a longer perceived lifetime compared to when they are at rest.

Explanation of Option B:
Option B states that particles traveling at speeds close to the speed of light disintegrate slower than when they are at rest. This statement is correct because of the phenomenon of time dilation. As particles move closer to the speed of light, their perceived time slows down, resulting in a longer lifetime.

Importance of Special Relativity:
Special relativity is a fundamental theory in physics that explains how time, space, and motion are interconnected. It has been experimentally verified in numerous experiments, including particle accelerators, where particles are accelerated to high speeds.

Conclusion:
Particles traveling at speeds close to the speed of light experience time dilation, causing their perceived lifetime to slow down compared to when they are at rest. This phenomenon is a consequence of Einstein's theory of special relativity and has been confirmed by experimental evidence. Thus, option B is the correct statement.
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Community Answer
Choose the correct statementa)The life time of particles remains the s...
Particles traveling at speeds close to the speed of light disintegrate slower than when they are at rest” is more apt when compared to “The life time of particles is greater when they are moving at speeds comparable to c
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