A plate of glass 8.80 cm long is placed in contact with a second plate and is held at a small angle with it by a metal strip 8.60x10-2 mm thick placed under one end. The space between the plates is filled with air. The glass is illuminated from above with light having a wavelength in air of 618 nm. Part A How many interference fringes are observed per unit length in the reflected light?
A plate of glass 8.80 cm long is placed in contact with a second plate and is held at a small angle with it by a metal strip 8.60x10-2 mm thick placed under one end. The space between the plates is filled with air. The glass is illuminated from above with light having a wavelength in air of 618 nm. Part A How many interference fringes are observed per unit length in the reflected light?
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Transcribed Image Text:A plate of glass 8.80 cm long is placed in contact
with a second plate and is held at a small angle
with it by a metal strip 8.60×10-2 mm thick
placed under one end. The space between the
plates is filled with air. The glass is illuminated
from above with light having a wavelength in air
of 618 nm.
Part A How many interference fringes are
observed per unit length in the reflected light?
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