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`        Hello ….…Can you explain this with steps ..    How will you weigh the sun , that is estimate its mass ? The mean orbital radius of the earth around the sun is 1.5 x 10^8 km .`
3 years ago

Umakant biswal
5359 Points
```							@ jeeva orbital radius is given , so, time taken by the earth to complete one revolution T = 1 year = 365 . 25 days . = 365.25 * 24 * 60 * 60 universal gravitational constant = 6.67 * 10 ^ -11 so, mass of sun can be calculated using the relation M = 4 pie square r cube / G T square by plugging in the value answer will be 2.0 * 10 ^ 30 kg , hope it clears now
```
3 years ago
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• 18 Video Lectures
• Revision Notes
• Test paper with Video Solution
• Mind Map
• Study Planner
• NCERT Solutions
• Discussion Forum
• Previous Year Exam Questions