gamma rays imaging

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Major use of gamma rays imaging includes

Major use of gamma rays imaging includes
  • A. radar
  • B. astronomical observations
  • C. industry
  • D. lithography
  • Correct Answer: Option B

A star in constellation of Cygnus exploded about

A star in constellation of Cygnus exploded about
  • A. 15050 years ago
  • B. 16000 years ago
  • C. 16050 years ago
  • D. 15000 years ago
  • Correct Answer: Option D