Calculate the Wavelength of a Neutron That Has a Velocity

question 90

Multiple Choice

Calculate the wavelength of a neutron that has a velocity of 200.cm/s.(mass of a neutron = 1.675 × 10^-27 kg and h = 6.63 × 10^-34 J • s)

• A)1.98 × 10^-9 m
• B)216 nm
• C)1.8 × 10⁵⁰ m
• D)198 nm
• E)5.05 mm

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Definitions:

Hair Shaft

The visible part of the hair that extends above the skin surface, made of keratin and dead skin cells.

Hair Follicle

Invagination of the epidermis into the dermis; contains the root of the hair and receives the ducts of sebaceous and apocrine glands.

Sebaceous Glands

Small oil-producing glands in the skin that secrete sebum into hair follicles to lubricate the skin and hair.

Adipose Tissue

A type of connective tissue that stores energy in the form of fat, provides insulation, and supports and protects organs.