# physics

With a focal length of 10 cm, and D zero is 20, 15, 25, and 5, what is the D one

1. 👍 0
2. 👎 0
3. 👁 57

## Similar Questions

1. ### Physics

A converging thin lens made out of crown glass (n=1.52) has a focal length f=1.0m An identical lens (same radius for the spherical surfaces), made out of a high-index plastic with n=1.70 will be ... A. Converging with a focal

asked by mm on March 27, 2010
2. ### Physics

I was asked to compare my measured focal length to my calculated focal length. My calculated focal length I figured out by using the formula: 1/di + 1/do = 1/f Would my measured focal length = my di? I only measured by di and do

asked by Lena on February 18, 2009
3. ### physics

What focal-length lens would you need to place next to a converging lens of focal length 29 cm to create an effective focal length of 14 cm for the combination?

asked by Jeanette on October 28, 2012
4. ### Physics

Two converging lenses are placed 31.0 cm apart. The focal length of the lens on the right is 22.0 cm, and the focal length of the lens on the left is 15.0 cm. An object is placed to the left of the 15.0 cm focal-length lens. A

asked by Christopher on April 27, 2010
5. ### Physics

A compound microscope has a barrel whose length is 17.4 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

asked by Beth on July 14, 2012
6. ### Physics

A compound microscope has an objective lens with a focal length of 1.5 cm and an eye piece of focal length 5 cm. It is focused on an object which is at a distance of 1.8 cm. The length of the microscope for normal adjustment is ?

asked by Clandestine on March 31, 2013
7. ### physics

a convex lens of focal length 30cm is cut half perpendicular to its principal axes what is its new focal length

asked by sehrish on December 28, 2010
8. ### Physics

A Simple Astronomical Telescope In Normal Adjustment Has An Objective Of Focal Length 100cm And An Eye Piece Of Focal Length 5cm What Is The Angular Magnification (a) 20 (b) 25 (c) 1/20 (d) 1/25

asked by Godwin on February 15, 2017
9. ### Physics

A Simple Astronomical Telescope In Normal Adjustment Has An Objective Of Focal Length 100cm And An Eye Piece Of Focal Length 5cm What Is The Angular Magnification

asked by Godwin John on February 15, 2017
10. ### physics

Two converging lenses, having focal length 5 cm and 10 cm respectively, are placed 25cm apart. An object is placed 10 cm in front of the lens of focal length 5cm. Determine the position and magnification of the final image formed.

asked by aiman on August 15, 2015
11. ### physics

The Yerkes refracting telescope has a 1 m diameter objective lens of focal length 20 m.Assume it is used with an eyepiece of focal length 4.31 cm. Find the angular magniﬁcation of the planet Mars as seen through this telescope

asked by Jim on March 21, 2011

More Similar Questions