Class X

In a concave mirror, an object placed __________ will result in a virtual image
  1. . twice the distance of the focal point
  2. between the focal point and mirror
  3. between the focal point and twice the distance of the focal point
  4. past the focal point
What is f if you have an object 2.0 m from the concave mirror, and the image is 4.0 m from the mirror
  1. 2.0m
  2. 0,67 m
  3. 1.3 m
  4. 4.0 m
How does light normally travel?
  1. in concentric circles
  2. in a straight line
  3. always toward a dark area
  4. in a curved line
Which type of mirror produces an image that is always erect, always the same height as the object, and always virtual?
  1. . convex
  2. concave
  3. plane
  4. none of these
image in a bathroom mirror results from __________.
  1. diffuse reflection
  2. specular refraction
  3. specular reflection
  4. diffuse refraction
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