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  1. ...for the same transparent solid so after entered the prism EM waves with different colours are bent to different directions when they come out of the prism, a colour spectrum is formed it's not a...

  2. ...air behind it. It transfers energy to the air that is in contact with the inner surface of the diaphragm. As the air moves away from the diaphragm...

  3. ... out from the pool, your body is covered with a layer of water. There's also water in the air (...water has a cooling effect even on a hot sunny day, when you come out from a warm pool.

  4. ...pressure of air inside your lung must be in equilibrium with the atmospheric pressure in order to save our body energy...'s law). So the air has to come out of the lung, moving from high pressure to low atmospheric...

  5. ...=ma, F=170N m= 76kg, you come up with a = 2.23 ms-2, not 2.0867, they contradict each other. ... using the speed and time, they should come out as the same number because it is ...

  6. ... is because of refraction of light. The refracted light coming out from the girl's legs bends away from the normal. 3. (a) refractive...

  7. Connect a light bulb to a motor , and then tie a tiny mass with a string at the rotor (捲). Then let the tiny mass to fall and rotor rotate, then there will be a tiny light come out from the bulb. PE to Electric. You can ask the student to rotate...

  8. ... like a reflective surface that bends away all light rays coming out from the pencil. But when the test-tube is filled with water, it becomes a homogeneous medium inside and outside the glass tube...

  9. I was required to write a story about flying out of the earth with the process of seeing a bird, the sky, stars, then arrived at...

  10. The equation p = E/c, where E is the energy of a photon and c is the speed of light, is the definition of photon momentum. If we assume the classical formulation of momentum, i.e. mass x velocity, applies to a photon, then accordng to Einstein's famous mass-energy...

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