20 fringes are displaced when a thin glass plate is introduced in
one of the paths of the interfering beams. Find the thickness if
its refractive index is 1.5. The wavelength of light used is
6000 X10 -8 cm.
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20 fringes are displaced when a thin glass plate is introduced in
one of the paths of the interfering beams. Find the thickness if
its refractive index is 1.5. The wavelength of light used is
6000 X10 -8 cm.
Answer 200 × 10 -¹³
by equipment
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