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प्रश्न
Assertion: To float, body must displace liquid whose weight is equal to the actual weight.
Reason: The body will experience no net downward force in that case.
विकल्प
If both assertion and reason are true and reason is the correct explanation of assertion.
If both assertion and reason are true but reason is not the correct explanation of assertion.
If assertion is true but reason is false.
If assertion is false but reason is true.
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उत्तर
If both assertion and reason are true and reason is the correct explanation of assertion.
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संबंधित प्रश्न
State the principle of floatation.
Draw a diagram to show the forces acting on a body floating in water with its some part submerged. Name the forces and show their points of application. How is the weight of water displaced by the floating body related to the weight of the body itself?
A piece of ice floating in a glass of water melts, but the level of water in the glass does not change.
Give reasons.
Hint: Ice contracts on melting.
State the principle of floatation. What can you say about the average density of a ship floating on water?
Explain the following:
An egg sinks in fresh water but floats in a strong solution of salt.
How does an object’s density determine whether the object will sink or float in water?
How do submarines sink and float in water?
Differentiate positive & negative buoyant.
Assertion (A): Lactometer is used to check the purity of milk.
Reason (R): Lactometer measures the cream content of milk.
