Exam-style question
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The design of telescopes varies with the wavelength of light they observe. What is the effect of using a telescope designed for visible light to observe radio waves?.
- A.It will provide clearer images of distant stars.
- B.It will not effectively collect the longer wavelengths.
- C.It will enhance the resolution of the images.
- D.It will increase the brightness of the observed objects.
Model answer
What a good answer should say
- It will not effectively collect the longer wavelengths.
Explanation
Why this works
Using a telescope designed for visible light to observe radio waves will not effectively collect the longer wavelengths due to the design limitations of the optics. This results in poor image quality and insufficient data for radio astronomy, highlighting the need for specialized designs for different wavelengths.
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