Problem 449. Grandpa's telescope

Created by AMITAVA BISWAS

Solve Later

Two grandkids Dorothy and Benjamin are sharing a telescope made by their grandpa, who used an old lens of spectacles as the objective. This objective lens has power of p diopter. Dorothy definitively watches a doghouse at distance d meters. Benjamin basically watches a birdhouse at distance b meters. After watching the doghouse, how much shift of the eyepiece in mm is necessary to watch the birdhouse? Please give a general solution, the test suite may be more extensive later.

Solve

Solution Stats

138 Solutions
22 Solvers

Last Solution submitted on Feb 23, 2023

Last 200 Solutions

Problem Comments

3 Comments

3 Comments

Christian Schröder on 6 Jan 2023

This could really benefit from a few more test cases.

Dyuman Joshi on 7 Jan 2023

Test cases have been added and solutions are rescored.

Christian Schröder on 7 Jan 2023

Thanks, Dyuman!

Solution Comments

Show comments

Problem Recent Solvers22

Problem Tags

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Problem 449. Grandpa's telescope

Solution Stats

Last 200 Solutions

Problem Comments

Solution Comments

Problem Recent Solvers22

Suggested Problems

More from this Author100

Problem Tags

Community Treasure Hunt

Problem 449. Grandpa's telescope

Solution Stats

Last 200 Solutions

Problem Comments

Solution Comments

Problem Recent Solvers22

Suggested Problems

More from this Author100

Problem Tags

Community Treasure Hunt

Players