MyQuestionIcon

13

You visited us 13 times! Enjoying our articles? Unlock Full Access!

Hydrometer and Lactometer

Give reasons ...

Question

Give reasons as to why the lower end of a hydrometer is filled with mercury or lead.

A

to lower its CG point

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

B

to increase the height of its CG point

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

C

to rotate in water

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

D

to jump in water

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

Open in App

Solution

The correct option is A to lower its CG point
The lower end of a hydrometer is filled with mercury or lead in order to make it heavy so that it remains upright

Suggest Corrections

thumbs-up

1

Similar questions

Q. Assertion :In the metallurgy of aluminium, purified

A l_{2} O_{3}

N a_{3} A l F_{6}

C a F_{2}

N a A l F_{6}

C a F_{2}

lowers the melting point of mixture and increases its conductivity.

Q. A conical vessel of radius

6 c m

8 c m

is completely filled with water. A sphere is lowered into water and its size is such that when it touches the sides, it is just immersed as shown in figure. What fraction of water over flows

Q. The density of mercury is

13600 k g m^{- 3}

.Its value in CGS system will be:

Q. The lower end of a capillary tube is immersed in mercury. The level of mercury in the tube is found to be

2

cm below the outer level. If the same tube is immersed in water, up to what height will the water rise in the capillary?

Q. A conical vessel of radius 6 cm and height 8 cm is completely filled with water. A sphere is lowered in the water and its size is such that when it touches the sides, it is just immersed. What fraction of the water overflows? [4 MARKS]

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

PHYSICS

Watch in App

explore_more_icon

Explore more

Hydrometer and Lactometer

Standard IX Physics

Join BYJU'S Learning Program

CrossIcon