Exam 5: Light and Telescopes

Which kind of telescope and which instrument or technique are shown

Which of the following telescopes must be used above Earth's atmosphere

If the magnification of a telescope can be changed simply by exchanging eyepieces, why wouldn't you just magnify objects to very large sizes by choosing an appropriate eyepiece

300-nm light has a lower frequency than 500-nm light.

An achromatic lens brings all colors to the same focus.

A _______ is used to produce and analyze a spectrum.

Ultraviolet radiation from a star

The diagram below illustrates the layout and light path of a reflecting telescope of the ____________________ design.

Why can infrared telescopes operate from high flying aircraft and high mountain tops whereas X-ray telescopes must be placed in orbit

Light rays from a distant source __________________, assuming the light does not pass through any cloud-like nebulae.

The technique of connecting multiple telescopes together to combine the images from each telescope is known as

The process of combining signals from separate telescopes to improve resolution is called ____________________.

Chromatic aberration occurs in a ________ telescope when __________.

The colors of the rainbow from shortest to longest wavelength are ______________________.

The ____________________ is a measure of the clarity of the atmosphere.

Adaptive optics measures and cancels out all seeing distortions that are caused by turbulence in Earth's atmosphere.

Which kind of telescope is shown and where is it located

Which of the items below is electromagnetic radiation

Fill in the blanks to produce a correct statement: The above computer model shows concentric circles, otherwise known as ________________, from ________ star(s).

Photons of blue light