A Galilean telescope has an objective of focal length 100 cm and magnifying power 50

A Galilean telescope has an objective of focal length 100 cm and magnifying power 50. The distance between the two lenses in normal adjustment will be

Options

(a) 96 cm
(b) 98 cm
(c) 102 cm
(d) 104 cm

Correct Answer:

98 cm

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

admin:

View Comments (1)

  • A Galilean telescope has an objective of focal length 100 cm and magnifying power 50. The distance between the two lenses in normal adjustment will be

    Options
    (a) 96 cm
    (b) 98 cm
    (c) 102 cm
    (d) 104 cm

    Ans:
    fo= 100 cm
    M=50
    fo/fe = 50
    fe=100/fo
    fe=2
    L=fo-fe
    L=100-2
    L=98cm

Related Questions

  1. In the Bohr’s model of hydrogen atom, the ratio of the kinetic energy to the total
  2. A body of mass m slides down an incline and reaches the bottom
  3. A wire of resistance 4 ohm is stretched to twice its original length.
  4. Weight of a body of mass m decreases by 1% when it is raised to height h
  5. A block of mass m moving at a velocity v collides with another block of mass 2m