1. What is the steady state theory?
- Theory that matter leaked into the universe
- It's something to do with the united states?
- i dont know
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Other questions in this quiz
2. what is diffraction?
- When you look in the mirror
- The spreading of waves when they pass through a gap or past an object
- The breaking up of light
- i don't know
3. which of the following gives a use of gamma rays?
- to protect us
- to communicate with satellites
- to kill cancer cells
- to see objects
4. Which waveband has the shorter range?
5. What direction is the red shift?