Electro-Magnetic Spectrum Range, Which Is Important for Radiation Varies from __________

question 39

Multiple Choice

Electro-magnetic spectrum range, which is important for radiation varies from __________ microns.

• A)1 to 100
• B)0.5 to 50
• C)10 to 100
• D)100 to 1000

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Definitions:

Stranger Anxiety

An infant’s fear of and wariness toward strangers; it tends to appear in the second half of the first year of life.

Unsmiling

Displaying a serious or stern expression, without smiles.

Cheerful

Exhibiting a disposition that is full of joy and optimism.

Reflexive Smiling

An involuntary smile, often occurring in infants, that does not necessarily express happiness or response to social interactions.