Examlex
When 450-nm light is incident normally on a certain double-slit system the number of interference maxima within the central diffraction maximum is 5.When 900-nm light is incident on the same slit system the number is:
Balance Per Books
The ending balance on a company's financial records for a specific account, before any adjustments for reconciliation.
Notes Collected
The process of receiving payment on promissory notes, which are written promises to pay a specific sum of money.
Accounts Payable
Short-term liabilities of a business which are owed to suppliers for goods and services purchased on credit.
Voucher
A document or record that verifies a transaction and authorizes the payment or receipt of funds.
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