THEORY HUBBLE’S LAW ACTUAL TEST PAPER
2026 COMPLETE QUESTIONS AND
SOLUTIONS GRADED A+
◉ Doppler Effect. Answer: A change in sound frequency caused by
the motion of the source moving toward or away from the observer.
◉ Hubbles Law. Answer: Evidence of the Big Bang Theory proves
that the universe is expanding. The farther a galaxy is, the faster it
moves away from us.
◉ Red Shift. Answer: A shift toward longer wavelengths of the
spectrum. The shift is caused by the object, which is emitting the
waves, moving away from the earth. All stars and galaxies are
moving away from earth--Evidence of The Big Bang Theory
(Hubble's Law)
◉ Cosmic Background Radiation. Answer: Evidence of the Big Bang
Theory. Left over heat energy from the Big Bang is observable at all
points in space. The energy started as light but has shifted to
microwaves and radio waves due to the continual expansion of the
universe.