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Consider the following phenomena:
1. Light is affected by gravity.
2. The Universe is constantly expanding.
3. Matter warps its surrounding space-time.
Which of the above is/are the prediction/predictions of Albert Einstein's General Theory of Relativity, often discussed in media?
[2018]
  • a)
    1 and 2 only
  • b)
    3 only
  • c)
    1 and 3 only
  • d)
    1, 2 and 3
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
Consider the following phenomena:1. Light is affected by gravity.2. Th...
Explanation:
Albert Einstein's General Theory of Relativity is a theory of gravitation that was published in 1915. It explains the gravitational force as a curvature of spacetime caused by the presence of mass and energy. The theory has made several predictions, some of which have been confirmed by experiments and observations. The following are the predictions of the General Theory of Relativity:

1. Light is affected by gravity:
According to the General Theory of Relativity, gravity affects the path of light. This means that light is bent when it passes near a massive object, such as a star or a black hole. This phenomenon is known as gravitational lensing and has been observed by astronomers.

2. The Universe is constantly expanding:
The General Theory of Relativity predicts that the Universe is expanding. This means that the distance between galaxies is increasing over time. This prediction has been confirmed by observations of the Cosmic Microwave Background Radiation and the redshift of galaxies.

3. Matter warps its surrounding spacetime:
The General Theory of Relativity predicts that matter warps the spacetime around it. This means that the presence of a massive object, such as a planet or a star, causes a curvature of spacetime that affects the motion of other objects nearby. This prediction has been confirmed by observations of the orbits of planets around the sun.

Conclusion:
Therefore, the correct answer is option 'D' as all the three phenomena are the predictions of Albert Einstein's General Theory of Relativity.
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Community Answer
Consider the following phenomena:1. Light is affected by gravity.2. Th...
(i) 2010: International Team of Astronomers confirmed Albert Einstein's theory of general relativity and that the expansion of the universe is accelerating after looking at data from the Hubble Space Telescope.
There is an unknown source of energy in the universe which is causing the cosmic expansion to speed up.
(ii) 2016: Japanese researchers' study finds that the expansion of the universe could be explained by a cosmological constant, as proposed by Einstein in his theory of general relativity. So second statement is right. This eliminates B and (C)
(iii) 2018: Hubble Space Telescope captured image of a phenomenon called Einstein Ring. Einstein in his theory of general relativity, had suggested that a massive object would warp space and time. So, statement 3 is right. Hence we are left with correct answer "D": 1, 2 and 3 all correct. 
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Consider the following phenomena:1. Light is affected by gravity.2. The Universe is constantly expanding.3. Matter warps its surrounding space-time.Which of the above is/are the prediction/predictions of Albert Einsteins General Theory of Relativity, often discussed in media?[2018]a)1 and 2 onlyb)3 onlyc)1 and 3 onlyd)1, 2 and 3Correct answer is option 'D'. Can you explain this answer?
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