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Test:GRE Subject Test: Physics
1. | A black hole is an object whose gravitational field is so strong that even light cannot escape. Assuming no change in radius, approximately how much mass would our Sun have to have in order to become a black hole? Sun's radius: |
Magdy
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Cairo University, Egypt, Bachelor of Science, Electrical Engineering. New Mexico State University-Main Campus, Doctor of Phil...
Jagriti
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Punjabi University, Bachelor of Science, Chemistry. Panjab University, Master of Science, Physics.
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