Question
Asked Nov 2, 2019
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A. Stay the same. Glass is tightly against the cardboard.                                                                B. Increase. Light bends away from normal line entering glass.                                                        C. Increase . Light bends toward normal line entering glass.                                                      D. Decrease. Light bends away from normal line entering glass.                                                  E. Decrease. Light bends toward normal line entering   .                      

 

Problem 5.2
A piece of cardboard is placed between a very
small light bulb and a screen. A block of glass is
placed in front of the screen as shown in the
side view diagram at right.
bulb
Ifthe glass were removed, would the size of
the shadow on the screen increase, decrease,
or stay the same? Explain your reasoning, and
support your answer with a clear, qualitatively
correct ray diagram.
cardboard
glass
Y
screen
3
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Problem 5.2 A piece of cardboard is placed between a very small light bulb and a screen. A block of glass is placed in front of the screen as shown in the side view diagram at right. bulb Ifthe glass were removed, would the size of the shadow on the screen increase, decrease, or stay the same? Explain your reasoning, and support your answer with a clear, qualitatively correct ray diagram. cardboard glass Y screen 3

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Expert Answer

Step 1

The light bulb is an example of a point source.

The ray diagram of the arrangement when the glass is a part of the arrangement

 

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glass Cardboard Screan Shadow regian Butb (point In presence of glass

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Step 2

When the glass is present in the arrangement, the light rays which fall on the air-glass interface will suffer refraction towards the normal within the glass and hence the shadow of the transmitted light is cast on the screen as shown.

Step 3

The ray diagram of the arrangement when the glass is no...

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Scran Bulb Shadow (point Souca regim Casdiourd Tn abance of alass

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Ray Optics

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