Draw a labelled ray diagram to show how a ray of light passes through a parallel sided glass block-a- if it hits the glass block at 90 deg- -that is- perpendicular to the glass block-b- if it hits the glass block at an angle other than 90 deg- -that is- obliquely to the glass block-

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Standard X

Physics

Refraction through a Rectangular Glass Slab

Draw a labell...

Question

Draw a labelled ray diagram to show how a ray of light passes through a parallel sided glass block:

(a) if it hits the glass block at 90° (that is, perpendicular to the glass block)
(b) if it hits the glass block at an angle other than 90° (that is, obliquely to the glass block).

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Solution

(a) If the light ray hits the glass block at 90° (that is, perpendicular to the glass block):

(b) If it hits the glass block at an angle other than 90° (that is, obliquely to the glass block):

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Draw a labelled ray diagram to show how a ray of light passes through a parallel sided glass block : (a) if it hits the glass block at 90° (that is, perpendicular to the glass block) (b) if it hits the glass block at an angle other than 90° (that is, obliquely to the glass block).

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(a) Copy the diagram and draw the normal at the point of entry.
(b) Draw the approximate path of the ray of light through the glass block and out of the other side.

Figure

A ray of light strikes the surface of a rectangular glass block such that the angle of incidence is 0°, the path taken by the ray in each case as it passes through the glass block and emerges from it is such that

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Draw a labelled ray diagram to show how a ray of light passes through a parallel sided glass block: (a) if it hits the glass block at 90° (that is, perpendicular to the glass block) (b) if it hits the glass block at an angle other than 90° (that is, obliquely to the glass block).

(a) If the light ray hits the glass block at 90° (that is, perpendicular to the glass block):(b) If it hits the glass block at an angle other than 90° (that is, obliquely to the glass block):

Draw a labelled ray diagram to show how a ray of light passes through a parallel sided glass block:

(a) if it hits the glass block at 90° (that is, perpendicular to the glass block)
(b) if it hits the glass block at an angle other than 90° (that is, obliquely to the glass block).

(a) If the light ray hits the glass block at 90° (that is, perpendicular to the glass block):

(b) If it hits the glass block at an angle other than 90° (that is, obliquely to the glass block):