Purchase Solution

Physics: Optical Instruments

Not what you're looking for?

Ask Custom Question

If you want a magnification of "time 3" in a telescope, and you have a lens of focal length 37 mm to use as an eyepiece, what focal length do you need for an objective lens? Draw a ray diagram of the telescope.

Purchase this Solution
Solution Summary

This solution helps explain how to calculate focal length for an objective lens, given a certain magnification and focal length.

Solution Preview

Let us see the complete details of the astronomical telescope.

In the astronomical telescope, there are two regular methods to use the telescope.
One is called ordinary adjustment, where the final image will form at a near distance from eye. ( In this method, ...

Purchase this Solution
Free BrainMass Quizzes
Basic Physics

This quiz will test your knowledge about basic Physics.

The Moon

Test your knowledge of moon phases and movement.

Variables in Science Experiments

How well do you understand variables? Test your knowledge of independent (manipulated), dependent (responding), and controlled variables with this 10 question quiz.

Introduction to Nanotechnology/Nanomaterials

This quiz is for any area of science. Test yourself to see what knowledge of nanotechnology you have. This content will also make you familiar with basic concepts of nanotechnology.

Classical Mechanics

This quiz is designed to test and improve your knowledge on Classical Mechanics.

View More Free Quizzes
Related BrainMass Solutions

  • Telescopes and radio telescopes

    278031 Astronomical Instruments 1. Why are radio telescopes larger than optical telescopes ? 2.

  • Diffraction in imaging system

    Conventional optical imaging systems such as optical microscopes have ultimate resolution limit called the diffraction limit; the finest feature size that can be resolved is on the order of incident wavelength.

  • Refraction of Light in Benzene

    TO calculate, refractive index; From snell's law of optical physics, u = (refractive index) = Sine (angle of incidence) / Sine (angle of refraction ) u = Sin 43/ Sin 27 So refractive index of benzene is ( u ) = 1.502.

  • Numerical Representation & Errors - Write Effective Algorithm

    I did find looking in the liiterature that the American Optical society journal 1981 has some very good information on calculating this series.

  • Controlling Security and Privacy in Future

    Tomorrow's networks may need analogous instruments to populate themselves. Some of these instruments may not work properly, but improvements will be made to address security.

  • Introduction to Wind Instruments

    65039 Introduction to Wind Instruments (See attached file for full problem description) --- Introduction to Wind Instruments The physics of wind instruments is based on the concept of standing waves.

  • Correction lens for a shortsighted man

    This is a very popular question asked in high school optical physics tests. You will find it helpful to know the technique of solving this type of problems by downloading this solution.

  • multicultural marketing

    About Transitions Optical As the leading provider of photochromics to optical manufacturers, Transitions Optical, headquartered in Pinellas Park, Fla., offers the most advanced photochromic technology in the widest selection of lens designs and materials

  • Geometric isomer

    DRAW the isomers of this compound, and label them as geometric or optical (enatiomers): [ Pd (H2O) (CO) (CN) I ] SO3 1. DRAW the isomers of this compound, and label them as geometric or optical (enatiomers): i.e.

View More Related Solutions