When the object is placed 4 cm from the objective of a microscope, the final image formed coincides with the object. The final image is at the least d

When the object is placed 4 cm from the objective of a microscope, the final image formed coincides with the object. The final image is at the least distance of distinct vision (24 cm). If the magnifying power of the microscope is 15, calculate the focal lengths of the objective and eye-piece.

Monjur Alahi

9 views

2025-01-04 04:42

1 Answers

Salim Ahmed Kawsar

Correct Answer - `f_(0) = 3.125 cm` and `f_(e) = 7.5 cm`

9 views Answered 2023-02-05 15:29

Related Questions

Two convex lenses of focal length `0.01` , and `0.06` m, respectively are arranged to from a microscope. A small object is placed `0.012` m from objec

2 Answers 4 Views

The objective and the eye-piece of a microscope have focal lengths of `0.02`m and `0.04`m, respectively and are placed `0.15`m apart. If the final ima

2 Answers 5 Views

A coil carrying a current `10mA` is placed in a uniform magnetic field so that its axis coincides with the field direction. The single layer winding o

2 Answers 4 Views

The focal lengths of the objective and the eye piece of a compound microscope are 1cm and 5cm respectively. An object placed at a distance of `1:1` cm

2 Answers 4 Views

A double convex lens is placed on a horizontal plane mirror. A pin held horizontally above the lens coincides with its own image when it is 18cm from

2 Answers 11 Views

The focal lengths of the objective and eye-piece of a compound microscope are 1 cm and 5 cm, respectively. An object is placed 11 mm from the objectiv

2 Answers 5 Views

A concave mirror forms a real image four times as tall as the object placed 10 cm infront of mirror. Find the position of the image and the radius of

2 Answers 4 Views

A travelling microscope is focussed on a mark made on a paper. When a slab of `1.45cm` thickness is placed on the marl, the microscope has to be raise

2 Answers 5 Views

An object is placed `50 cm` from the surface of a glass sphere of radius `10 cm` along the diameter. Where will the final image be formed after refrac

2 Answers 7 Views

When a slide is placed 15 cm behind the lens in a projector, an image is formed at 3 infront of the lens. (i) Show the image formation by a ray diagra

2 Answers 7 Views

এক্সাম দিয়ে মেধা যাচাই করুন

Job Preparation (1125)

Admission (754)

এসএসসি (10)

এইচএসসি (5)