Similar MCQs

Technological Knowledge Similar MCQs

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Selected MCQ

Current Question
What phenomenon is being observed in gravitational wave astronomy?
  • A. Variations in Earth's gravity
  • B. Ripples in spacetime from massive events
  • C. Changes in ocean tides
  • D. Electromagnetic radiation
Correct Answer: B
Explanation:
Gravitational wave detectors observe ripples in spacetime from events such as black hole mergers.
Related Question 1
What cosmic phenomenon is the cosmic microwave background (CMB) associated with?
  • A. Solar flares
  • B. Big Bang
  • C. Black holes
  • D. Dark energy
Correct Answer: B
Explanation:
The CMB is the leftover radiation from the early hot universe, supporting the Big Bang theory.
Related Question 2
Which of these is a quantum phenomenon not present in classical bits?
  • A. Voltage
  • B. Entanglement
  • C. Resistance
  • D. Capacitance
Correct Answer: B
Explanation:
Quantum entanglement allows qubits to be correlated in ways impossible for classical bits.
Related Question 3
Which phenomenon provides evidence that the universe is expanding?
  • A. Galactic collisions
  • B. Redshift of distant galaxies
  • C. Aurora borealis
  • D. Supernova explosions
Correct Answer: B
Explanation:
Edwin Hubble observed that distant galaxies are redshifted, indicating expansion.

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