space medium True/False

Bolometers measure total electromagnetic power absorbed by detecting temperature-induced resistance changes.

  1. True
  2. False

Answer: True

Transition-edge sensor bolometers operate at cryogenic temps for far-IR/submm astronomy; used in Herschel/SOFIA/CMB experiments.

Topic Astronomy - Instrumentation
Exam Relevance SSC General Science, UPSC Prelims
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