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  1. Jul 11, 2009 · Picture 9/10. The Criterion Collection was able to get Roman Polanski’s Repulsion from Sony, releasing it not only on DVD but also on Blu-ray (I actually wonder if Sony contracts stipulate that Criterion has to release their titles on Blu-ray, which actually wouldn’t be a bad thing if true.)

  2. Jul 11, 2009 · The Criterion Collection (finally) releases Roman Polanski’s Repulsion on DVD, presenting the film in its original aspect ratio of 1.66:1 on this dual-layer disc, enhancing the image for widescreen televisions.

  3. What is the mutual force of electrostatic repulsion if the charge on each is 6.5 × 10–7 C? Theradii of A and B are negligible compared to the distance ofseparation. (b) What is the force of repulsion if each sphere is charged doublethe above amount, and the distance between them is halved?

  4. The electrostatic force of repulsion between two equal positively charged ions is 3.7 × 10 − 9 N, when they are separated by a distance of 5 ∘ A. How many electrons are missing from each ion? Open in App

  5. In repulsion, dominant alleles of some genes and recessive alleles of some genes are present on the same chromosome. Coupling and Repulsion are two faces of crossing over and linkage as when two genes are present on the same chromosome, they are linked and so, crossing over cannot occur.

  6. This is because the lone pair of electrons are attracted towards single nuclei only whereas bond pair electrons are attracted towards two nuclei. Thus the strength of the lone pair-lone pair repulsion is supposed to be more than bond pair-bond pair or bond pair-lone pair repulsion.

  7. This is because , Repulsion takes place only between two likes poles of a magnet whereas attraction takes place between two unlike poles of a magnet and also between a magnet and a magnetic material . So by attraction it cannot be surely identified the substance is a magnet or not . So , repulsion is the sure test of magnetism .

  8. (I) The order of repulsion between pair of electrons is l p − l p > l p − b p > b p − b p where l p = lone pair, b p = bond papir (II) In general, as the number of lone pair of electrons on central atom increases , value of bond angle from normal bond angle also increases. (III) The number of lone pair on O in H 2 O is 2 while on N in N H ...

  9. Repulsion is the sure test for magnetism because it takes place only between two like poles of a magnet whereas attraction takes place between two unlike poles of a magnet and also between a magnet and a magnetic material.

  10. The force of repulsion between two point charges is F, when they are d distance apart. If the point charges are replaced by conducting spheres each! of radius r and the charges remain same. The separation between the centre of sphere is d, then force of repulsion between them is (1) Equal to F (2) Less than F (3) Greater than F (4) Cannot be said Two identical small bodies each of mass m and