Which of the following statements is are correct about Gravitational waves 1 They are ripples in the...........

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Which of the following statements is/are correct about Gravitational waves?

1.They are ripples in the fabric of space-time caused by some of the most violent and energetic processes in the Universe.

2.They are a form of electromagnetic radiation carrying energy and information.

3.For the first time, they were generated by two colliding black holes nearly 1.3 billion light years away were detected by LIGO experiment.

4.They are important because they carry information about their origins that is free of distortion or alteration.

Choose the correct option:

1, 2 and 4 only

1, 2 and 3 only

1, 3 and 4 only

All of the above

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Explanation:

1, 3 and 4 only

They are ripples in the fabric of space-time caused by some of the most violent and energetic processes in the Universe.

This statement is correct. Gravitational waves are ripples in the fabric of space-time caused by certain movements of mass, such as the collision of black holes or neutron stars.

They are a form of electromagnetic radiation carrying energy and information.

This statement is incorrect. Gravitational waves are not a form of electromagnetic radiation. They are a different phenomenon predicted by Einstein's theory of general relativity.

For the first time, they were generated by two colliding black holes nearly 1.3 billion light years away and were detected by the LIGO experiment.

This statement is correct. The Laser Interferometer Gravitational-Wave Observatory (LIGO) made the historic first detection of gravitational waves generated by the collision of two black holes.

They are important because they carry information about their origins that is free of distortion or alteration.

This statement is correct. Gravitational waves can provide direct information about their sources, such as the masses and spins of the objects involved, without being significantly altered as they travel through the universe.

Therefore, the correct option is 3 (1, 3, and 4 only).

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