Singularity is an increase in the wavelength of electromagnetic wave once it gets near from the massive object

This is a force that pulls the objects with mass together

According to General Theory of Relativity. Which of the following causes curve in space?

This is a region in space in which gravity is too strong that even light cannot escape

This is a disturbance in the regular elliptical movement pattern of a certain celestial body.

The event singularity is the point of no return around a black whole

According to Einstein, the curvature of space time is what we perceive as warping, rather than acting between objects

This is an increase in the wavelength of electromagnetic wave once it gets near from a massive object.

According to the theory of Relativity, this is the point when an object that becomes black hole must collapase