The water level in all the tubes will remain unchanged.
The water level in all the tubes will become the same.
The water level in Q will be lower than the others, which will all be the same.
The water level in Q and S will be at one level; and in P, R
The water level in all the tubes will remain unchanged.
The water level in all the tubes will become the same.
The water level in Q will be lower than the others, which will all be the same.
The water level in Q and S will be at one level; and in P, R
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Answer:
An experiment was set up as shown in the figure below. After some time, the Water level in test tube A fell down but not in test tube.
Why was there a fall in the water level of test tube A and not in that of test-tube B?
Answer
Test Tube A contains plants, therefore, the water level in test tube A falls because the water is absorbed by the plant through the roots dipped in water. Since the test tube contains oil, no water loss occurred due to evaporation.
In test-tube B the water level remains the same because there is no plant present as well as oil refrains the water to evaporate.
Explanation:
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