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Standard VII

Physics

Air Pressure

Statement 1: ...

Question

Statement 1: Skater’s shoes melt the ice.
Statement 2: Ice freezes again after the skater moves on.

Both statement 1 and statement 2 are true.

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Both statement 1 and statement 2 are false.

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Statement 1 is false and statement 2 is true.

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Statement 1 is true and statement 2 is false.

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Solution

The correct option is A Both statement 1 and statement 2 are true.
Skater’s shoe melts the ice due to the pressure exerted by the shoes on the ice. The ice freezes again after the skater moves on. Due to the increase in pressure exerted by the shoes the snow melts and the skaters seems to be gliding on water.

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Statement 1: Skater’s shoes melt the ice. Statement 2: Ice freezes again after the skater moves on.

Statement 1: Skater’s shoes melt the ice.
Statement 2: Ice freezes again after the skater moves on.