CK-12 Basic Physics by CK-12 Foundation

By CK-12 Foundation

CK-12 easy Physics - moment version covers the next chapters:Units: This bankruptcy covers the fundamental devices utilized in physics, guidance for utilizing devices, and their value inside of physics.Wave: This bankruptcy covers gadgets in harmonic movement, that are outlined as items that go back to an analogous place after a hard and fast time period. items in harmonic movement be ready to move a few of their power over huge distances. gentle Nature: This bankruptcy covers the character of sunshine, polarization, and colour.

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Motion that repeats itself in equal intervals of time is called harmonic motion. When an object moves back and forth over the same path in harmonic motion it is said to be oscillating. If the amount of motion of an oscillating object (the distance the object travels) stays the same during the period of motion, it is called simple harmonic motion(SHM). A grandfather clock舗s pendulum and the quartz crystal in a modern watch are examples of SHM. Objects in motion that return to the same position after a fixed period of time are said to be in harmonic motion.

Give some everyday examples of simple harmonic motion. The pitch of a Middle C note on a piano is 263 Hz. This means when you hear this note, the hairs (cilia) in your inner ears wiggle back and forth at this frequency. What is the period of oscillation for your ear hairs? What is the period of oscillation of the struck wire within the piano? You舗re sitting on Ocean Beach in San Francisco one fine afternoon and you notice that the waves are crashing on the beach about 6 times every minute. Calculate the frequency and period of the waves.

How is this possible? Would a diamond tube filled with water and placed in water have the same effect? Imagine a thread of diamond wire immersed in water. Can such an object demonstrate total internal reflection? Draw a picture along with your calculations. Explain with a diagram how an optical fiber works. Do a little online research 舑 what are optical fibers used for? Explain (include a diagram) how dispersion and total internal reflection combine to create the sparkly colors seen in a diamond.

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