1. 1 pt Telescopes LightWavesColorLenses

2. A well known infrared telescope is ____________.

3. 1 PT Spitzer

4. A well known x-ray telescope is ________.

5. 2 PT Chandra

6. A well known radio telescope is ___________

7. 3 PT VLA or Arecibo

8. A well known visible light telescope is __________

9. 4 PT Hubble

10. Who was the first to use a telescope in astronomy?

11. 5 PT Galileo

12. A diffraction grating consists of __________

13. 1 PT Many closely spaced parallel slits

14. What does a prism do?

15. 2 PT Separates visible lights into several colors

16. Which electromagnetic wave has the shortest wavelength?

17. 3 PT Gamma rays

18. Which of the electromagnetic waves has the longest wavelength?

19. 4 PT radio

20. What type of waves are light waves?

21. 5 PT transverse

22. What determines the color of an opaque object?

23. 1 PT The light absorbed, reflected and transmitted

24. Electromagnetic waves with higher frequencies have wavelengths that are ___

25. 2 PT shorter

26. When a wave bends around an object such as a star, this is called

27. 3 PT diffraction

28. Light waves cannot pass through what type of materials?

29. 4 PT opaque

30. When two or more waves are at the same place at the same time, the resulting effect is called

31. 5 PT interference

32. What are the primary colors of pigments?

33. 1 PT Magenta, cyan, yellow

34. What are the primary colors of light?

35. 2 PT Red, green, blue

36. Different colors of light correspond to different light ____

37. 3 PT wavelengths

38. What color has the longest wavelength?

39. 4 PT red

40. What color has the shortest wavelength?

41. 5 PT violet

42. A refracting telescope produces an image using a(n) ____.

43. 1 PT Objective lens

44. A reflecting telescope produces an image using a(n) ____.

45. 2 PT Concave mirror

46. An image of a distant object formed by a single converging (convex) lens

47. 3 PT Is upside-down Can be focused on a screen Is real Can be projected on a wall (only one answer is sufficient)

48. The image your eye receives is upside down or right side up?

49. 4 PT Upside down

50. An image formed by a single diverging (concave) lens _____

51. 5 PT Is virtual