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प्रश्न
Select the correct option:
When a body is floating in a liquid:
विकल्प
The weight of the body is less than the upthrust due to immersed part of the body
The weight of body is more than the upthrust due to the immersed part of the body
The weight of body is equal to the upthrust due to the immersed part of the body
none of the above
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उत्तर
The weight of body is equal to the upthrust due to the immersed part of the body
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संबंधित प्रश्न
Assuming the density of air to be 1.295 kg m-3, find the fall in barometric height in mm of Hg at a height of 107 m above the sea level. Take density of mercury = 13.6 × 103 kg m-3.
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Explain the following :
A ship submerges more as it sails from sea water to river water.
A cork cut in the form of a cylinder floats in alcohol of density 0.8 gcm-3, such that 3/4 of its length is outside alcohol. If the total length of the cylinder is 35 cm and area of cross-section 25 cm2, calculate:
(1) density of cork
(2) wt. of cork
(3) extra force required to submerge it in alcohol
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(i) The loss in weight of the body,
(ii) The upthrust on the body.
Complete the following result:
Density in kg m-3 = ______ x density in g cm-3
