search
arrow-left Previous
Next arrow-right
Q: Cross hair in surveying telescope are fitted:
  • A. In the objective glass/ अभिदृश्य ग्लास में
  • B. At the centre of telescope/दूरबीन के मध्य में
  • C. At the optical centre eyepiece नेत्रिका के प्रकाशीय केन्द्र पर
  • D. In the front of eyepiece/ नेत्रिका के सामने
Correct Answer: Option D -
answer image

Explanations:

explanation image