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. If the momentum of electron is changed by P, then the de-Broglie wavelength
  2. A body of mass 2 kg is kept by pressing to a vertical wall by a force of 100 N
  3. A bomb of mass 30 kg at rest exploded into two pieces of masses 18 kg
  4. Two identical long conducting wires AOB and COD are placed at right angle
  5. A satellite A of mass m is at a distance r from the centre of earth. Another satellite