imagining instrumentation

Question 1

compound microscope

Answer 1

a microscope that consists of two converging lenses, used to see enlarged images of very small objects

Question 2

objective

Answer 2

the distance of the object from the first lens in the compound microscope

Question 3

eyepiece

Answer 3

the front of the second lens of the compound microscope

Question 4

normal adjustment

Answer 4

the final image is formed at infinity for a telescope at normal adjustment, the final image is formed near point for a microscope

Question 5

telescope

Answer 5

an instrument for obtaining angular magnification of the distant object, for example, a star

Question 6

angular magnification

Answer 6

the ratio of the angle subtended by the object as seen through the telescope to the angle subtended by it at the unaided eye

Question 7

refracting telescope

Answer 7

a telescope that uses lenses and refraction to form images

Question 8

reflecting telescope

Answer 8

a telescope that uses mirrors and reflection to form images

Question 9

radio telescope

Answer 9

a telescope that receives and detects electromagnetic waves in the radiofrequency region, they have a parabolic shape

Question 10

radio interferometry

Answer 10

the formation of an image using more than one radio telescope by combining individual images

Question 11

how are earthbound telescope limited?

Answer 11

light pollution, atmospheric turbulence, absorption of various wavelengths at the atmosphere