Deck 31: Telescope Resolution

Question 1

Resolution depends on the size of scope and _______.

A) wavelength
B) focus
C) lenses
D) mirrors

Answer 1

wavelength

Question 2

When light goes past an edge it creates a ________ pattern.

A) diffraction
B) refection
C) refraction
D) dispersion

Answer 2

diffraction

Question 3

The resolution of the radio telescope is poor because of its _______.

A) small size
B) bad location
C) atmosphere
D) use of long wavelengths

Answer 3

use of long wavelengths

Question 4

The resolution of a telescope means

A) the brightness of the image it makes.
B) the magnification of the image it makes.
C) the level of detail in the image it makes.
D) the stability of the image it makes.

Question 5

When waves of light add or subtract to each other this causes a pattern of _________________.

Question 6

The uses of combining light from several telescopes are called a(an) ______.

Question 7

The longer the wavelength the better the resolution.

Question 8

The VLBA can achieve the resolution of a telescope 10000 km across.