AQA/Edexcel Physics Unit 1 Quiz! 0.0 / 5 ? PhysicsWavesAstronomyEarth in spaceGCSEAll boards Created by: Diatomic OxygenCreated on: 24-05-16 20:33 What does CMBR stand for? Cosmic Microwave Background Radiation 1 of 10 What does Red Shift prove? The universe is expanding. 2 of 10 What is the Doppler Effect? The change in frequency and wavelength when a moving object is relative to the observer. 3 of 10 How do we conclude that a moving object in space has Red Shifted? We look at spectral lines and see if they have shifted. 4 of 10 If an object has been Blue Shifted, what direction is it moving in, relative to Earth? Towards Earth 5 of 10 What proved the Big Bang to be correct? CMBR 6 of 10 What proved the Universe was expanding? Red Shift 7 of 10 What is an example of the Doppler Effect? Moving ambulance with its siren on. 8 of 10 Which wave can pass through the Ionosphere? Microwaves 9 of 10 Which wave has the highest Frequency and shortest Wavelength? Gamma rays 10 of 10
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