Q8 Correct Option B Because Since the adhesive force between the capillary tube and the mercury is less compared to the cohesive force of mercury therefore the meniscus of mercury in a capillary is convex.
Q9 Correct option is B ) When the cube will melt away, and turn into water, “the water formed from melting of ice cube” will have lesser volume than the “ice cube” itself. Due to the difference in their volumes, there will be a drop in the level of water in the beaker.
But this stone is in the ice cube when ice melted the stone fall in the water and the level of water is rises bcz stone have much more volume then water
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Q8 B . Convex hoi
Q8 Correct Option B
Because Since the adhesive force between the capillary tube and the mercury is less compared to the cohesive force of mercury therefore the meniscus of mercury in a capillary is convex.
9 . fall
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Q9 Correct option is B )
When the cube will melt away, and turn into water, “the water formed from melting of ice cube” will have lesser volume than the “ice cube” itself.
Due to the difference in their volumes, there will be a drop in the level of water in the beaker.
But this stone is in the ice cube when ice melted the stone fall in the water and the level of water is rises bcz stone have much more volume then water
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G is not gravitational force it's gravitational constant
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Q9 wrong answer
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