Light Energy Properties Quiz
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Questions and Answers

What is the term for materials that allow a large amount of light to pass through?

  • Translucent materials
  • Obstructive materials
  • Opaque materials
  • Transparent materials (correct)

What is the term for the property that shows how light travels in a straight line?

  • Light speed property
  • Rectilinear Propagation of light (correct)
  • Light ray property
  • Dispersion property

What is the term for a collection of light rays that do not meet when traveling?

  • Divergent beam
  • Parallel beam (correct)
  • Collimated beam
  • Convergent beam

What is the energy that makes vision possible known as?

<p>Light energy (A)</p> Signup and view all the answers

What are bodies that produce their own light referred to as?

<p>Luminous bodies (D)</p> Signup and view all the answers

What is the term for the speed at which light travels in air?

<p>$3 \times 10^8$ m/s (C)</p> 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?

<p>Shadow (A)</p> 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?

<p>Lunar Eclipse (A)</p> 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?

<p>Regular Reflection (D)</p> 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?

<p>First law of reflection (A)</p> 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?

<p>Away from the normal (C)</p> Signup and view all the answers

What is the type of image formed by the apparent intersection of two or more rays called?

<p>Virtual image (B)</p> 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?

<p>Penumbra (B)</p> Signup and view all the answers

What do you call a kind of eclipse where only part of the earth or moon is covered?

<p>Partial Eclipse (A)</p> Signup and view all the answers

What is the term for the two types of shadows formed by an opaque object?

<p>'Umbra and Penumbra' (A)</p> Signup and view all the answers

Which type of body does not produce light on its own but rather reflects light from other sources?

<p>'Non-Luminous body' (C)</p> Signup and view all the answers

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