Question

उद्विग्न(udvigna) शब्द का तात्पर्य ?
कठोर , क्लेश , व्याकुल , विस्वास

Answer 1

Answer:

The focal length of an optical system is a measure of how strongly the system converges or diverges light; it is the inverse of the system's optical power. A positive focal length indicates that a system converges light, while a negative focal length indicates that the system diverges light.

Answer 2

Explanation:

[वि.] - घबराया हुआ; परेशान; बेसब्र; अधीर; खिन्न; विचलित; आकुल; व्याकुल; चिंतित।