Two Very Flat Glass Plates, 16 Cm Long, Are in Contact

question 107

Multiple Choice

Two very flat glass plates, 16 cm long, are in contact at one end and separated by 0.020 mm at the other end. The space between the plates is occupied by oil with index of refraction 1.45. The
Refractive index of the glass plates is 1.55. The plates are illuminated at normal incidence with
Monochromatic light, and fringes are observed. If the spacing of the dark fringes is 2.0 mm, what is
The wavelength of the monochromatic light?

• A) 525 nm
• B) 475 nm
• C) 725 nm
• D) 425 nm
• E) 675 nm

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Definitions:

Call Option

A financial contract that gives the holder the right, but not the obligation, to buy a specified amount of an underlying asset at a predetermined price within a specified time frame.

Convertible Bond

A type of bond that can be converted into a predetermined number of the issuer's equity shares.

In the Money

A term used in options trading indicating that the option has intrinsic value.

Call

An option contract giving the owner the right, but not the obligation, to buy a specified amount of an underlying asset at a set price within a specified time.