Why Do We See a Gravitational Redshift in the Spectrum

question 26

Multiple Choice

Why do we see a gravitational redshift in the spectrum of the Sun?

• A)Gravity makes light heavy,causing it to appear redder.
• B)Because of gravity,the Sun is always moving away from us,so we see a redshift.
• C)Time runs slower on the Sun than on Earth,making lines in the solar spectrum have lower frequency and hence longer wavelength than normal.
• D)Spacetime curvature allows red photons of light to escape the Sun more easily than blue photons,leading to an apparent redshift.

Acknowledge the importance of research methodology and its limitations in the study of human development.

Understand the distinctions between various research designs and their implications for developmental psychology.

Recognize critical periods in development and the impact of learning and relearning skills over time.

Understand the characteristics and purposes of various career assessment tools.

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Definitions:

Market Price

The current value at which an asset or service can be bought or sold in a marketplace.

Ex-dividend

The ex-dividend date is the date on which a stock begins trading without the entitlement to receive the most recently declared dividend, meaning buyers from that day onward will not receive the dividend.

Marginal Tax Rate

Amount of tax payable on the next dollar earned.

Cost of Equity

Cost of equity is the return that investors expect from an investment in a company, considering the risk of investing in its equity.