USAAAO 2015, Пробен кръг — Задача 12

USAAAO Practice Round 2015

Бележка

This round consists of 20 multiple-choice problems to be completed in 50 minutes. You may only use a scientific calculator and a table of constants during the test.

Условие

What size telescope is needed to resolve Hellas Planitia (a 2,300 km wide crater) on Mars through a v-band filter (effective wavelength = 550 nm) when Mars is 54.6 million km from Earth?

a. 34.8 mm

b. 26.1 mm

c. 15.9 mm

d. 10.6 mm

e. 7.7 mm

Отговори

Решение

---

Оригинал в Архива: 2015-practice-round-exam.pdf · официални решения: 2015-practice-round-solutions.pdf