A lighted bulb is kept just right above the following solids. Name the shape of the shadow obtained in each case. Attempt to give a rough sketch of the shadow. (You may try the experiment first and then answer the question.)

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Solution

The shape of the given object is a cylinder.
When the lighted bulb is kept just right above the cylinder then the cylinder-shaped object will give the shadow of a rectangle as shown below:

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A lighted bulb is kept just right above the following solids. Name the shape of the shadow obtained in each case. Attempt to give a rough sketch of the shadow. (You may try the experiment first and then answer the question.)

The shape of the given object is a cylinder.When the lighted bulb is kept just right above the cylinder then the cylinder-shaped object will give the shadow of a rectangle as shown below:

The shape of the given object is a cylinder.
When the lighted bulb is kept just right above the cylinder then the cylinder-shaped object will give the shadow of a rectangle as shown below: