Describe what red shift is and why i provides evidence for the Big Bang Theory.
Red-shift is the increase in wavelength emitted from distant objects moving away from the observer, making them appear more red.The Big Bang Theory states that the universe began from a singularity which then expanded, meaning objects are moving away from each other, leading to red-shift.
RD
Related Physics GCSE answers
All answers ▸Alice drops an apple from a height of 2 m above the ground. Assuming there is no air resistance, what is the speed of the apple when it hits the ground?
a) Give an example of an alpha radiation source used in homes b) Why is it safe to use a source of alpha radiation in the house
A single wind turbine has a maximum power output of 2 000 000 W. The wind turbine operated continuously at maximum power for 6 hours. Calculate the energy output in kilowatt-hours of the wind turbine.
Draw a graph depicting a skydivers speed against time when jumping from a plane, until he deploys his parachute, explaining the logic of your answer through the forces applicable to the body.