Shadow & light

The word transparent is an adjective used to describe….

• “something clear or see through.” 

• “allowing light to pass through but not showing the distinct images on the other side.”

• “not capable of having light pass through.”

The word translucent is an adjective used to describe something….

•  “allowing light to pass through but not showing the distinct images on the other side.”

•  “not capable of having light pass through.”

• “something clear or see through.”

The word opaque is an adjective used to describe something…

• “not capable of having light pass through.”

• “allowing light to pass through but not showing the distinct images on the other side.”

• “something clear or see through.”

How shadow are formed?

• An opaque object blocks the light falling on it.

• allowing light to pass through but not showing the distinct images on the other side

• Almost all the light that encounters a transparent object will pass directly through that object

The following three things are required for a shadow to form :

• • A source of light

  • An opaque object

  • A screen or surface behind the object

• • A source of object

  • An opaque light

  • A screen or surface behind the object

• • A source of light

  • An opaque object

  • A screen or surface behind the light

Shadows have three characteristics. which are the characteristics of the shadow? (1)

•  It is always black, regardless of the colour of the object used to make the

  shadow

• allowing light to pass through but not showing the distinct images on the other side.

• not capable of having light pass through.

Shadows have three characteristics. which are the characteristics of the shadow? (2)

• not capable of having light pass through.

• “allowing light to pass through but not showing the distinct images on the other side.

• It only shows the shape or outline of the object and not the details.

Shadows have three characteristics. which are the characteristics of the shadow? (3)

• The size of a shadow varies depending on the distance between the object and

  the source of light, and the distance between the object and the screen.

• allowing light to pass through but not showing the distinct images on the other side.

• not capable of having light pass through.

which is not the difference between image and shadow?

• Image : Has the colour of the object

  Shadow : Always black, regardless of the colour of the object

• Image : Gives the details as well as the outline of the object

  Shadow : Gives only the outline of the object

• Image : Undergoes lateral inversion

  Shadow : Does not undergo lateral inversion

• Image : Gives only the outline of the object

  Shadow : Always black, regardless of the colour of the object

What is light?

• Light is electromagnetic radiation within the portion of the electromagnetic spectrum that can be perceived by the human eye.

      

• Light is lamp within the portion of the electromagnetic spectrum that can be perceived by the human eye.

      

• Light is sun within the portion of the electromagnetic spectrum that can be perceived by the human eye.