Determine focal length must the objective have

Reference no: EM13500297

A compound microscope has a barrel whose length is 16.4 cm and an eyepiece whose focal length is 1.7 cm. The viewer has a near point located 25 cm from his eyes. What focal length must the objective have so the angular magnification of the microscope is -250?

Reference no: EM13500297

Questions Cloud

Determine the initial charge on the capacitor : A 6x10^-6 F capacitor is initially charged to 100V, then is connected across a 500Ohm resistor. What is the initial charge on the capacitor

What is the net electric force acting on particle : Three charged particles are placed at each of three corners of an equilateral triangle whose sides are of length 4.0 cm. What is the net electric force acting on particle 3

What is the peak voltage across the capacitor : A series RLC circuit contains a 125.0 O resistor, a 35.0 µF capacitor and a 70.0 mH inductor. What is the peak voltage across the capacitor

Compute the unknown wavelength : Two parallel slits are illuminated by light composed of two wavelengths, one of which is 654 nm. What is the unknown wavelength

Determine focal length must the objective have : A compound microscope has a barrel whose length is 16.4 cm and an eyepiece whose focal length is 1.7 cm. What focal length must the objective have so the angular magnification of the microscope is -250

Write newtons second law for each of the three objects : A 330g airtrack cart on a horizontal air track is attached to a string that goes over a pulley with a moment of inertia of 5.00*10^-6 kg*m^2 and a radius of 1.35 cm. Write newtons second law for each of the three objects

What is the speed of the spools ground-touching point : A spool whose inner core has a radius of 1.00 cm and whose end caps have a radius of 1.50 cm has a string tightly wound around the inner core. what is the speed of the spools ground-touching point

Where is the unaided near point of the person located : An optometrist prescribes contact lenses that have a focal length of 56.0 cm. Where is the unaided near point of the person located

Find the market value of lawrence shares : Find the market value of Lawrence's shares

User Account

All Pages