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What is the distance of the principal focus F from the pole P of the spherical mirror called?

AImage distance (v)

BFocal length (f)

CObject distance (u)

DVirtual distance

Answer:

B. Focal length (f)

Read Explanation:

The distance of the principal focus F from the pole P of the spherical mirror called the focal length.


Related Questions:

The radius of curvature of a given spherical mirror is-20 cm. The focal length of the mirror is?

Which of the following line(s) act as a normal to a spherical mirror?

  1. (i) Line joining the pole and centre of curvature
  2. (ii) Line joining the centre of curvature and point of incidence
  3. (iii) Line joining focus and point of incidence
    Identify the correct relation between radius of curvature 'R', object distance 'u' and image distance 'v' for a spherical mirror?
    The distance between the focus and the center of curvature of a spherical mirror, in terms of the radius of curvature R, is equal to?
    ഒരു കോൺകേവ് ദർപ്പണത്തിനു മുമ്പിൽ 10 cm അകലെ പ്രകാശിക്കുന്ന വസ്തു വച്ചപ്പോൾ അതിൻ്റെ യഥാർഥ പ്രതിബിംബം ദർപ്പണത്തിൽ നിന്ന് 40 cm അകലെ രൂപപ്പെടുന്നു. ദർപ്പണത്തിൻ്റെ ഫോക്കസ് ദൂരം കണക്കാക്കുക.