Learning Path
Question & Answer1
Understand Question2
Review Options3
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Explore TopicChoose the Best Answer
A
Time moves slower in stronger gravitational fields, affecting light speed.
B
Time moves faster in stronger gravitational fields, but light speed remains constant.
C
Both time and light speed are unaffected by gravity.
D
Time moves slower in stronger gravitational fields, while light speed is constant regardless of gravity.
Understanding the Answer
Let's break down why this is correct
Answer
Einstein’s theory says that massive objects bend the fabric of spacetime, and this bending changes how fast clocks tick. In a strong gravitational field, the curvature is greater, so time itself runs more slowly than it does farther away from the mass. This effect, called gravitational time dilation, is independent of the speed of light, which remains constant at about 300 000 km/s in all frames. The reasoning is that the deeper you are in a gravitational well, the more the spacetime metric is altered, causing time intervals to stretch. For example, GPS satellites orbiting Earth experience weaker gravity and their onboard clocks tick slightly faster than clocks on the ground, a difference that must be corrected for accurate positioning.
Detailed Explanation
Gravity makes time tick more slowly when the gravitational pull is strong. Other options are incorrect because The mistake is thinking that gravity changes light’s speed; This answer says gravity makes time faster, which is the opposite of what actually happens.
Key Concepts
time dilation
the speed of light
gravitational effects
Topic
Einstein's Theory of Relativity
Difficulty
hard level question
Cognitive Level
understand
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Question 4What is the primary reason that time can be perceived differently by observers in relative motion, according to Einstein's Theory of Relativity?
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Question 5How does Einstein's Theory of Relativity change our understanding of time compared to Newton's view?
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