An aluminium sphere is dipped into water at 15-C-aluminium - 69 - 10-6-C-water-214 - 10-6-C- If the temperature is increased- the force of buoyancy-

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Area and Volume Expansion

An aluminium ...

Question

An aluminium sphere is dipped into water at $15^{\circ} C (γ_{a l u m i n i u m}$ = $69 \times 10^{- 6} /^{\circ} C; γ_{w a t e r} = 214 \times 10^{- 6} /^{\circ} C)$ . If the temperature is increased, the force of buoyancy:

will increase

No worries! We‘ve got your back. Try BYJU‘S free classes today!

will decrease

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

will stay the same

No worries! We‘ve got your back. Try BYJU‘S free classes today!

will increase or decrease depending on the radius of the sphere

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is B will decrease
Comparing the given values, as $γ_{a l u m i n i u m} < γ_{w a t e r}$ ,an apparent shrinkage of the aluminium will take place with respect to water; hence the buoyancy force will decrease.

Suggest Corrections

Similar questions

An aluminium sphere is dipped into water at $15^{\circ} C (γ_{a l u m i n i u m}$ = $69 \times 10^{- 6} /^{\circ} C; γ_{w a t e r} = 214 \times 10^{- 6} /^{\circ} C)$ . If the temperature is increased, the force of buoyancy:

Q. An aluminium sphere is dipped into water at

10^{o} C

. the temperature is increased, the force of buoyancy:

Q. An aluminium sphere is dipped into water at 10°C. If the temperature is increased, the force of buoyancy
(a) will increase
(b) will decrease
(c) will remain constant
(d) may increase or decrease depending on the radius of the sphere

Q. An aluminium plate fixed in a horizontal position has a hole of diameter 2.000 cm. A steel sphere of diameter 2.005 cm rests on this hole. All the lengths refer to a temperature of 10 °C. The temperature of the entire system is slowly increased. At what temperature will the ball fall down? Coefficient of linear expansion of aluminium is 23 × 10^–6 °C^–1and that of steel is 11 × 10^–6 °C^–1.

Q. An aluminium sphere is dipped into water. Which of the following is true?

Join BYJU'S Learning Program

An aluminium sphere is dipped into water at 15∘C(γaluminium = 69 × 10−6/∘C;γwater=214 × 10−6/∘C). If the temperature is increased, the force of buoyancy:

The correct option is B will decreaseComparing the given values, as γaluminium<γwater,an apparent shrinkage of the aluminium will take place with respect to water; hence the buoyancy force will decrease.

An aluminium sphere is dipped into water at $15^{\circ} C (γ_{a l u m i n i u m}$ = $69 \times 10^{- 6} /^{\circ} C; γ_{w a t e r} = 214 \times 10^{- 6} /^{\circ} C)$ . If the temperature is increased, the force of buoyancy:

The correct option is B will decrease
Comparing the given values, as $γ_{a l u m i n i u m} < γ_{w a t e r}$ ,an apparent shrinkage of the aluminium will take place with respect to water; hence the buoyancy force will decrease.