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

The focal lengths of the objective and the eyepiece of a compound microscope are 1 cm and 5 cm respectively and the distance between the centres of the lenses is 15 cm . If the final image is formed at the least distance of distinct vision , what is the magnifying power of the microscope ?

The focal of the objective and the eyepiece of a compound microscope are 0.5 cm and 1 cm respectively . The distance between the lenses is 16 cm . If the final image is formed at the least distance of distinct vision i.e at 25 cm ,determine the magnifying power of the instrument .

The focal length of the objective and the eyepiece of a microscope are 4mm and 25mm respectively.If the final image is formed at infinity and the length of the tube is 16cm the magnifying power of the microscope will be

The focal lengths of the objective and eyelens of a microscope are 1.6 cm and 2.5 cm respectively. The distance between the two lenses is 21.7 cm. If the final image is formed at infinity, the distance between the object and the objective lens is :

The focal lengths of the objective and eyelens of a microscope are 1.6 cm and 2.5 cm respectively. The distance between the two lenses is 21.7 cm. If the final image is formed at infinity, the distance between the object and the objective lens is :

The focal lengths of the objective and eyelens of a microscope are 1.6 cm and 2.5 cm respectively. The distance between the two lenses is 21.7 cm. If the final image is formed at infinity, the distance between the object and the objective lens is :

The focal lengths of the objective and the eyepiece of an astronomical telescope are 140 cm and 5 cm respectively. The magnifying power of the telescope for viewing objects when the final image is formed at the least distance of distinct vision (25 cm ) will be

The focal lengths of the eye piece and objective of a compound microscope are 5 cm and 1 cm respectively, and the length of the tube is 20 cm . Calculate magnifying power of microscope when the final image is formed at inifinity. The least distance of distinct cision is 25 cm .