This telescope is like a microscope, it has an objective lens and an eyepiece lens.
What is a refracting telescope
100
The __________ and the ____________ are related because they both open and close to cover the eye and to take a picture
What is the eyelid and the shutter
100
The human eye is more sensitive to ________________
What is green light
200
This causes the pupil to dilate.
What is dim light?
200
A compound light microscope uses how many convex lenses?
What is 2?
200
This telescope uses a concave mirror, a plane mirror, and a convex lens to collect and focus light from distant objects
What is a reflecting telescope
200
The ____________ has the same name of the camera part _____________ and they both focus the image
What is the lens and the lens
200
The term "cornea" comes from the Latin word for _________
What is horn
300
A convex lens fixes ____ and a concave lens fixes ____.
What is far-sightedness and near-sightedness?
300
A compound light microscope uses lenses with relatively ____ focal lengths.
What is short?
300
Two refracted telescopes stuck side by side.
What is binoculars?
300
This part of the eye has no similarity to a camera.
What is the optic nerve
300
In some species of animals, such as the octopus, the ____ and the ________ can _______________________
What is lens, retina and move closer together
400
This is what rod and cone cells do.
What is rods-called our black-and-white vision system, and in low-light conditions it helps us see shapes and movement and cones-allow us to detect colour.
400
If the distance from an object to a convex lens is between one and two focal lengths, it forms an _____ image of the object
What is enlarged?
400
This is the problem with refracting telescopes.
What is the objective lens needs to be as large as possible to form a detailed image of distant objects and the lens can sag or flex due to its own weight, distorting the image it forms.
400
The retina a screen at the back of the eye where the image is focuses and it's like the ______________ which catches the image (don't use the abbreviation)
What is charge-coupled device
400
Optical devices that can project information from an instrument plane onto a screen in front of a viewer.
What is Heads-up displays (HUDs)
500
Laser surgery can reattach ____ and reshape ____
What is reattach retinas and reshape cornea?
500
_____ is an important step in using optical devices such
as microscopes.
What is focussing?
500
This is the type of telescope the Hubble Space Telescope is and when it was launched.
What is a reflecting telescope and the year 1990.
500
The automatic brightness adjustment opens and closes the diaphram according to brightness of the subject. The part of an eye that can be compared to this is the _______ because ___________________________
What is the iris, and the iris automatically adjusts pupil size
500
Laser stands for ______________________
What is light amplification by stimulated emission of radiation