Which is one reason why gravitational waves have proved so hard to detect? The s

ID: 2077015 • Letter: W

Question

Which is one reason why gravitational waves have proved so hard to detect?

The strength of gravity is a tiny fraction of the strength of the electromagnetic force.

They are probably so different from other kinds of waves that it is difficult to theorize about how to detect them.

They probably have infinitesimally small wavelengths.

Their wavelengths would be infinitesimally small compared with the distance through space that they travel.

They would travel from many light years away at a very small fraction of the speed of light.

Gravitational waves have an extremely small amplitude when they reach to the earth. This is because of the fact that:

"They would travel from many light years away at a very small fraction of the speed of light."

Option (V).

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