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A block is placed on a rough horizontal ...

A block is placed on a rough horizontal plane attached with an elastic spring as shown in the figure. Initially spring is unstretched. If the plane is now gradually lifted from `0^(@)` to `90^(@)`, then the graph showing extension in the spring (x) versus angle `(theta)` is

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FIITJEE-LAWS OF MOTION-ASSIGNMENT PROBLEMS (OBJECTIVE) (Level - 1)
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