Recent content by physicist007

Oh yes, am so sorry. They are chromosomes and not genes and genes express themselves not chromosomes

When the genotype of zygote is heterozygous XY then it results into a male progeny while to obtain a female progeny homozygous XX conditions are needed. Although homozygous YY condition is not possible in nature, but can we say that Y gene seems dominant??

Hey, while i was studying one day I read that each month one ovum is secreted by each ovary, alternatively after every 28 days, so a question stroke me that what would happen if of ovary of any females fails to produce ovary or is removed surgically, will the menstrual cycle continue unaffected...

How would the menstrual cycle of a woman be affected if one of the ovaries fails( or removed surgically)?

Thank you very much, to both of you.

No, its not possible. As the water presses down on mercury, it will increase the total upward buoyant force, and the ball now would be less sunk in mercury than it was before the water was added. Okay. Am I right now?

The total weight now is greater than that of the displaced mercury when there was no water, as now the half of the sphere is filled with water. But what does it tell us about the volume of mercury displaced after water is added? Maybe that now as the additional weight of the water presses down...

It will sink a little bit, but will still float.

If we now pour water on the arrangement, then water must push the ball down, due to its weight, so the mercury now can't be at the half way mark. But it also presses down on the mercury around the ball. That increases the upwards pressures from the mercury under the ball, as said by haruspex.

Okay, i get it now. Now we would need to replace the ball with mercury in the lower cap and water in the upper cap.

Weight of the Hg displaced.

To the Weight of the ball + the weight of the water, i think.

Archimedes' principle says that the upward buoyant force exerted on a body immersed in a fluid is equal to the weight of the fluid that the body displaces and it acts in the upward direction.

Homework Statement Assume that the beaker is half filled with Hg, the steel ball being lighter will float in it half-submerged. Now we pour water into the beaker, so that the beaker is completely filled with water on top, Hg in the bottom and steel ball floating between them. Now my question...

I have already searched this paper, but this paper doesn't quenches my thirst. Please try something else. Well, thanks for your efforts.