Podcast
Questions and Answers
What is the term for materials that allow a large amount of light to pass through?
What is the term for materials that allow a large amount of light to pass through?
What is the term for the property that shows how light travels in a straight line?
What is the term for the property that shows how light travels in a straight line?
What is the term for a collection of light rays that do not meet when traveling?
What is the term for a collection of light rays that do not meet when traveling?
What is the energy that makes vision possible known as?
What is the energy that makes vision possible known as?
Signup and view all the answers
What are bodies that produce their own light referred to as?
What are bodies that produce their own light referred to as?
Signup and view all the answers
What is the term for the speed at which light travels in air?
What is the term for the speed at which light travels in air?
Signup and view all the answers
What is the area of darkness cast on a screen when an opaque object is placed in front of a light source called?
What is the area of darkness cast on a screen when an opaque object is placed in front of a light source called?
Signup and view all the answers
What type of eclipse occurs when the earth comes between the moon and the sun in a straight line?
What type of eclipse occurs when the earth comes between the moon and the sun in a straight line?
Signup and view all the answers
What is the name for the type of reflection that occurs when light rays fall on a smooth or polished surface?
What is the name for the type of reflection that occurs when light rays fall on a smooth or polished surface?
Signup and view all the answers
Which law of reflection states that the incident ray, the normal, and the reflected ray at a point of incidence all lie in the same plane?
Which law of reflection states that the incident ray, the normal, and the reflected ray at a point of incidence all lie in the same plane?
Signup and view all the answers
When light travels from a denser medium into a less dense medium, there is an increase in speed and the refracted ray moves away from what?
When light travels from a denser medium into a less dense medium, there is an increase in speed and the refracted ray moves away from what?
Signup and view all the answers
What is the type of image formed by the apparent intersection of two or more rays called?
What is the type of image formed by the apparent intersection of two or more rays called?
Signup and view all the answers
What term is used for the partial shadow surrounding an umbra formed by an opaque object between an external source of light and a screen?
What term is used for the partial shadow surrounding an umbra formed by an opaque object between an external source of light and a screen?
Signup and view all the answers
What do you call a kind of eclipse where only part of the earth or moon is covered?
What do you call a kind of eclipse where only part of the earth or moon is covered?
Signup and view all the answers
What is the term for the two types of shadows formed by an opaque object?
What is the term for the two types of shadows formed by an opaque object?
Signup and view all the answers
Which type of body does not produce light on its own but rather reflects light from other sources?
Which type of body does not produce light on its own but rather reflects light from other sources?
Signup and view all the answers
