Plane Polarized Light Is Sent Through Two Consecutive Polarizers,the First $\degree$

question 25

Multiple Choice

Plane polarized light is sent through two consecutive polarizers,the first having its plane of polarization in the same direction as the incident light and the second having its plane at 90 $\degree$ to the original plane of polarization.A third polarizer,with plane of polarization at 30 $\degree$ to the original plane of polarization,is placed between the two other polarizers.What fraction of the original intensity now gets through?

• A)0
• B)0.56
• C)0.25
• D)0.19

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Definitions:

Federal Reserve

The central bank of the United States, responsible for setting monetary policy, regulating banks, and ensuring the stability of the financial system.

Money Supply

The total amount of monetary assets available in an economy at a specific time, including cash and bank deposits.

Total Reserves

The sum of a bank's deposits held at the central bank and the cash physically held in the bank's vault.

Required Reserves

The minimum amount of reserves that a bank must hold as mandated by the central bank or regulatory authority, usually a percentage of the bank's deposit liabilities.