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IIT Jee Problem: An open glass tube is i...

IIT Jee Problem: An open glass tube is immersed in mercury in such a way that a length of 8cm...

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An open glass tube is immersed in mercury in such a way that a length of 8 cm extends above the mercury level. The open end of the tube is then closed and sealed and the tube is raised vertically up by additional 46 cm. What will be length of the air column above mercury in the tube now? (atmospheric pressure =76 cm of Hg)

An open glass tube is immersed in mercury in such a way that a lenth of 8cm extends above the mercury level. The open end of the tube is then closed and sealed and the tube is raised vertically up by additional 46cm. What will be length of the air column above mercury in the tube now? (Atmosphere pressure =76cm of Hg)

A convex lens, made of glass, is immersed in water. As a result, its focal length will:

A barometer tube reads 76 cm of mercury. If the tube is gradually inclined keeping the open end immersed in the mercury reservoir, will the length of mercury column be 76 cm, more than 76 cm or less than 76 cm?

A glass tube 80 cm long and open ends is half immersed in mercury. Then the top of the tube is closed and it is taken out of the mercury. A column of murcury 20 cm long then remains in the tube. The atmospheric (in cm of Hg) is (assume temperature to be constant )

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 ?

A uniform tube is shown in figure, Which is open at one en and closed at the other . To enclose a column of air inside the tube, a pellet of mercury is introduced If the length of air column at 27^(@)C is 18 cm, at what temperature its length will be 21.6?

A vessel contains oil (density =0.8gm//cm^3 ) over mercury (density =13.6gm cm^3 ). A homogeneous sphere floats with half its volume immersed in mercury and the other half in oil. The density of the material of the sphere in gm//cm^3 is

A vessel contains oil (density =0.8gm//cm^3 ) over mercury (density =13.6gm cm^3 ). A homogeneous sphere floats with half its volume immersed in mercury and the other half in oil. The density of the material of the sphere in gm//cm^3 is