Vibrations and waves questions | form five Physics

The incident parallel light is a monochromatic beam of wavelength 450nm. The two slits A and B have their centres a distance of 0.3mm apart. The screen is situated a distance of 2.0m from the slits.

1. Calculate the spacing between fringes observed on the screen.
2. How would you expect the pattern to change when the slits A and B are each made wider?

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UNSOLVED

Describe the formation of interference patterns by using Newton`s rings experiment.

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UNSOLVED

calculate the radius of curveture of a Plano-convex lens used to produce Newton`s rings with a flat glasss plate if the diameter of the tenth dark ring is 4.48mm, viewed by normally reflected light of wavelength 5.00x10^-7m. What is the diameter of the twentieth bright ring?

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UNSOLVED

Deine the following terms.

1. Damped oscillations
2. Forced oscillations
3. Resonance.

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UNSOLVED

1. What is meant by Doppler effect?
2. Write down three uses of Doppler effect.

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UNSOLVED