While making a kaleidoscope, a transparent plastic sheet is pasted under the cardboard disc in order to:

give it an attractive look

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make the disc durable

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hold some air inside

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make patterns more colourful

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Solution

The correct option is B make the disc durable
In a kaleidoscope, for making the disc durable, a piece of transparent plastic sheet is pasted under the cardboard disc.

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While making a kaleidoscope, a transparent plastic sheet is pasted under the cardboard disc in order to:

The correct option is B make the disc durableIn a kaleidoscope, for making the disc durable, a piece of transparent plastic sheet is pasted under the cardboard disc.

The correct option is B make the disc durable
In a kaleidoscope, for making the disc durable, a piece of transparent plastic sheet is pasted under the cardboard disc.