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The least distance of distinct vision is...

The least distance of distinct vision is

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A telescope has an objective of focal length 50cm and an eyepiece of focal length 5cm. The least distance of distinct vision is 25cm. The telescope is focused for distinct vision on a scale 2m away from the objective. Calculate (a) magnification produced and (b) separation between objective and eyepiece.

A telescope has an objective of focal length 50 cm and eye piece of focal length 5 cm . The least distance of distinct vision is 25 cm . The telescope is focussed for distinct vision on a scale 200 cm away from the objective. Calculate (i) the separation between objective and eye piece (ii) the magnification produced.

A telescope has an objective of focal length 50 cm and an eye-piece of focal length 5 cm. The least distance of distinct vision is 25 cm. The telescope is focused for distinct vision on a scale 2 m away from the objective. Calculate (i) magnification produced and (ii) separation between objective and eyepiece.

The focal length of objective and eye lens of a microscope are 4 cm and 8 cm respectively. If the least distance of distinct vision is 24 cm and object distance is 4.5 cm from the objective lens, then the magnifying power of the microscope will be

A telescope has an objective of focal length 100 cm and eye piece of focal length 6 cm and the least distance of distinct vision is 25 cm. The telescope is focused for distinct vision of an object at a distance 100 m from the objective. What is the distance of separation between objective and eye piece?

The focal lengths of the objective and eyepiece of a microscope are 4mm and 25 mm respectively, and the length of the tube is 16cm. If the final image is formed at infinity and the least distance of distinct vision is 25 cm, then calculate the magnifying power of the microscope.

The least distance of distinct vision of a person is 75 cm. The focal length of the reading spectacles for such a person should be

An object is to be seen through a simple microscope of power 10D. Where should the object be placed so as to produced maximum angular magnification ? The least distance for distinct vision is 25 cm.

The least distance of distinct vision for a normal person is about

The least distance of distinct vision for a normal person is