Home › CBSE Class 12 › Physics › Ray Optics and Optical Instruments › The near point of the eye is taken as a distance…
The near point of the eye is taken as a distance of about:
A25 cm
B50 cm
C75 cm
D10 cm
Answer & Solution
Correct answer: A. 25 cm
1. The near point is the closest comfortable viewing distance.
2. It is written as D in the magnification formulas.
3. Its standard value is 25 centimetres.
_Source: NCERT Class 12 Physics Part II, Chapter 9, Ray Optics and Optical Instruments._
Related questions
A reflecting telescope of the folded design is named after:A mirror used as a telescope objective is free from aberration that is:A telescope provides angular magnification of objects that are:The objective of a compound microscope forms an image that is:In a compound microscope, the lens nearest the object is the:For much larger magnification, one uses lenses numbering:The maximum magnification of a simple microscope is described as:A simple magnifier is a converging lens of focal length that is: