When Light Travels from Medium X to Medium Y as Shown

question 7

Multiple Choice

When light travels from medium X to medium Y as shown:

• A) both the speed and the frequency decrease
• B) both the speed and the frequency increase
• C) both the speed and the wavelength decrease
• D) both the speed and the wavelength increase
• E) both the wavelength and the frequency are unchanged

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Definitions:

Normal Balance

The side of an account (debit or credit) where increases are recorded, depending on the account type (asset, liability, equity, revenue, expense).

Temporary/Permanent

In accounting, this distinction categorizes accounts based on their persistence; temporary accounts reset each cycle, while permanent accounts carry their end balance into the next period.

Accrued Interest

Interest that has been incurred but not yet paid, often associated with bonds and loans.

Note Payable

A financial liability representing a written promissory note to pay a specific sum of money to another entity on a specific future date or on demand.