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Grade 11 · Astronomy & space

Grade 11 Astronomy & space practice

20 questions on astronomical light, space science. The answer key is a separate download.

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  1. A model blackbody has temperature 8100 K. Use Wien constant 2.898×10⁶ nm K to find its wavelength-spectrum peak. Round the final result to 4 decimal places if needed. Answer in nm.

  2. A model blackbody has temperature 7800 K. Use Wien constant 2.898×10⁶ nm K to find its wavelength-spectrum peak. Round the final result to 4 decimal places if needed. Answer in nm.

  3. A probe is 2600000 km away. Use signal speed 300000 km/s and find its one-way communication delay. Round the final result to 4 decimal places if needed. Answer in s.

  4. A probe is 5700000 km away. Use signal speed 300000 km/s and find its one-way communication delay. Round the final result to 4 decimal places if needed. Answer in s.

  5. A probe is 34700000 km away. Use signal speed 300000 km/s and find its one-way communication delay. Round the final result to 4 decimal places if needed. Answer in s.

  6. A probe is 20500000 km away. Use signal speed 300000 km/s and find its one-way communication delay. Round the final result to 4 decimal places if needed. Answer in s.

  7. A probe is 33800000 km away. Use signal speed 300000 km/s and find its one-way communication delay. Round the final result to 4 decimal places if needed. Answer in s.

  8. A probe is 2100000 km away. Use signal speed 300000 km/s and find its one-way communication delay. Round the final result to 4 decimal places if needed. Answer in s.

  9. A probe is 36500000 km away. Use signal speed 300000 km/s and find its one-way communication delay. Round the final result to 4 decimal places if needed. Answer in s.

  10. A probe is 4600000 km away. Use signal speed 300000 km/s and find its one-way communication delay. Round the final result to 4 decimal places if needed. Answer in s.

  11. A model blackbody has temperature 15000 K. Use Wien constant 2.898×10⁶ nm K to find its wavelength-spectrum peak. Round the final result to 4 decimal places if needed. Answer in nm.

  12. A model blackbody has temperature 10000 K. Use Wien constant 2.898×10⁶ nm K to find its wavelength-spectrum peak. Round the final result to 4 decimal places if needed. Answer in nm.

  13. A model blackbody has temperature 12900 K. Use Wien constant 2.898×10⁶ nm K to find its wavelength-spectrum peak. Round the final result to 4 decimal places if needed. Answer in nm.

  14. A probe is 22300000 km away. Use signal speed 300000 km/s and find its one-way communication delay. Round the final result to 4 decimal places if needed. Answer in s.

  15. A probe is 35300000 km away. Use signal speed 300000 km/s and find its one-way communication delay. Round the final result to 4 decimal places if needed. Answer in s.

  16. A model blackbody has temperature 13600 K. Use Wien constant 2.898×10⁶ nm K to find its wavelength-spectrum peak. Round the final result to 4 decimal places if needed. Answer in nm.

  17. A probe is 22600000 km away. Use signal speed 300000 km/s and find its one-way communication delay. Round the final result to 4 decimal places if needed. Answer in s.

  18. A probe is 45100000 km away. Use signal speed 300000 km/s and find its one-way communication delay. Round the final result to 4 decimal places if needed. Answer in s.

  19. A probe is 15700000 km away. Use signal speed 300000 km/s and find its one-way communication delay. Round the final result to 4 decimal places if needed. Answer in s.

  20. A probe is 27200000 km away. Use signal speed 300000 km/s and find its one-way communication delay. Round the final result to 4 decimal places if needed. Answer in s.

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