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Telescopes Light Waves Color Lenses 1pt 1 pt 1 pt 1pt 1 pt 1 pt 1 pt 1pt 1pt 1 pt 1 pt 1 pt 1 pt 1 pt 1 pt 1 pt 1 pt 1pt 1 pt 1pt 1pt 1 pt 1 pt 1 pt 1 pt A well known infrared telescope is ____________. 1 PT Spitzer A well known x-ray telescope is ________. 2 PT Chandra A well known radio telescope is ___________ 3 PT VLA or Arecibo A well known visible light telescope is __________ 4 PT Hubble Who was the first to use a telescope in astronomy? 5 PT Galileo A diffraction grating consists of __________ 1 PT Many closely spaced parallel slits What does a prism do? 2 PT Separates visible lights into several colors Which electromagnetic wave has the shortest wavelength? 3 PT Gamma rays Which of the electromagnetic waves has the longest wavelength? 4 PT radio What type of waves are light waves? 5 PT transverse What determines the color of an opaque object? 1 PT The light absorbed, reflected and transmitted Electromagnetic waves with higher frequencies have wavelengths that are ___ 2 PT shorter When a wave bends around an object such as a star, this is called 3 PT diffraction Light waves cannot pass through what type of materials? 4 PT opaque When two or more waves are at the same place at the same time, the resulting effect is called 5 PT interference What are the primary colors of pigments? 1 PT Magenta, cyan, yellow What are the primary colors of light? 2 PT Red, green, blue Different colors of light correspond to different light ____ 3 PT wavelengths What color has the longest wavelength? 4 PT red What color has the shortest wavelength? 5 PT violet A refracting telescope produces an image using a(n) ____. 1 PT Objective lens A reflecting telescope produces an image using a(n) ____. 2 PT Concave mirror An image of a distant object formed by a single converging (convex) lens 3 PT Is upside-down Can be focused on a screen Is real Can be projected on a wall (only one answer is sufficient) The image your eye receives is upside down or right side up? 4 PT Upside down An image formed by a single diverging (concave) lens _____ 5 PT Is virtual