Which of the following statements are true? Choose al that apply When light from

Question

Which of the following statements are true? Choose al that apply When light from a star passes through an exoplanet's atmosphere, we can determine what the atmosphere consists of by looking at the emission spectra. The purpose of a large primary mirror in a telescope is to gather as much light as possible. Technically, different frequencies travel different speeds in a non-vacuum medium When using a diffraction grating, the zeroth order is the undeflected incoming light. Farsighted people see far away objects in focus. For a telescope, the smaller fe is, the greater the magnification.

Explanation / Answer

1) The star of a light diminshes as it passes through a planets atmosphere, which helps scientists to analyze the form of atmosphere present on the planet.

2) the primary mirror collects light from distant objects and focuses it to form a clear image you can see.

3) yes, different frequencies travel at different speeds in a non-vacuum field because we have

n = cv.

4) Yes, the zeroth order of the diffraction grating is the result of th undeflected incoming light.
5) A farsighted people sees far away objects clearly, but the nearby objects are blurred.

6) Yes. smaller the focal length, larger is the magnfication.

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