A bulb is kept burning just right above the following solids. Name the shape of the shadows obtained in each case. Attempt to give a rough sketch of the shadow.

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Solution

(a) The shape of the shadow of the ball will be a circle.

(b) The shape of the shadow of the circular pipe will be a rectangle.

(c) The shape of the shadow of a book will be a rectangle.

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A bulb is kept burning just right above the following solids. Name the shape of the shadows obtained in each case. Attempt to give a rough sketch of the shadow.

(a) The shape of the shadow of the ball will be a circle. (b) The shape of the shadow of the circular pipe will be a rectangle. (c) The shape of the shadow of a book will be a rectangle.

(a) The shape of the shadow of the ball will be a circle.

(b) The shape of the shadow of the circular pipe will be a rectangle.

(c) The shape of the shadow of a book will be a rectangle.