Two Flat Glass Plates Are in Contact Along One End

question 21

Multiple Choice

Two flat glass plates are in contact along one end and are separated by a sheet of paper 4.0 x 10^-6 m thick at the other end.The top plate is illuminated by a monochromatic light source of wavelength 490 nm.How many dark parallel bands will be evident across the top plate? (1 nm = 10^-9 m)

• A)7
• B)9
• C)13
• D)17

Understand the significance of good health for personal and professional life.

Identify effective money management strategies.

Recognize the skills and habits rewarded in the New Economy.

Acknowledge the role of exercise in achieving mental clarity and physical health.

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Definitions:

Minimal Medium

A growth medium containing only the minimal necessities required for the growth of wild-type organisms, typically used in microbial research.

Uracil

A nitrogenous base found in RNA, replacing thymine found in DNA.

Adenine

A purine nucleobase used in forming nucleotides of the nucleic acids DNA and RNA.

Nitrogenous Rings

Structures found in organic compounds where nitrogen atoms are part of a cyclic arrangement.