A wooden block, with a coin placed on its top, floats in water as shown in the fig. the distance l and h are shown there. After some time the coin falls into the water, then ? A)l decreases and h increases B) l increases and h decreases C) Both l and h increases D) Both l and h decreases
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A wooden block, with a coin placed on its top, floats in water as shown in the fig. the distance l and h are shown there. After some time the coin falls into the water, then
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January 17, 2020avatar
Azra Abhijit
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key : considering the fact that density of coin is very high in comparison of water and wood.
Density of coin is more so it was applying considerable force on wood before falling in water.
But once it'll fall, wood can't apply same force alone so wood will come a little up as result L will decrease.
when coin falls in water wood goes up so displaced volume decreases and coin has high density so it's volume is low and it doesn't displace liquid that much. As a result H will also decrease.
Answer:
both l and h decrease
key : considering the fact that density of coin is very high in comparison of water and wood.
Density of coin is more so it was applying considerable force on wood before falling in water.
But once it'll fall, wood can't apply same force alone so wood will come a little up as result L will decrease.
when coin falls in water wood goes up so displaced volume decreases and coin has high density so it's volume is low and it doesn't displace liquid that much. As a result H will also decrease.
Explanation: