Consider the following statements about a microscope and a telescope 1. Both the eyepiece and the objective of a microscope are convex lenses. 2. The focal length of the objective of a telescope is larger than the focal length of its eyepiece. 3. The magnification of a telescope increases with the increases in focal length of its objective. 4. The magnification of a microscope increases with the increases in focal length of its objective. Which of the statements given above are correct?

• A

  1 and 3 only
• B

  1 and 4
• C

  2,3 and 4
• Correct answer
  D

  1, 2 and 3

Hence, the correct answer is option: 'D'.