Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)

A metal has bcc structure and the edge length of its unit cell is 3.04 A. The volume of the unit cell in cm^3 will be A metal has bcc structure and the edge length of its unit cell is 3.04 A. The volume of the unit cell in cm^3 will be February 9, 2021 [...]

In orthorhombic , the value o0f a, b and c are respectively 4.2 A , 8.6 A and 8.3 A. given the molecular mass of the solute is 155 gm/mol and that of density is 3.3 gm/cc, the number of formula units per unit cell is 8.6 A and 8.3 A. given the molecular mass [...]

The radii of Na^+ and Cl ^- ions are 95 pm and 181 pm respectively. THe edge of NaCl unit cell is (a) 276 pm (b) 138 pm (c) 552 pm (d) 415 pm The radii of Na^+ and Cl ^- ions are 95 pm and 181 pm respectively. THe edge of NaCl unit cell [...]

If the distance between Na^+ and Cl^- ions in sodium chloride crystal is X pm , the length of the edge of the unit cell is (a) 4X pm (b) X/4 pm (c) X/2 pm (d) 2X pm If the distance between Na^+ and Cl^- ions in sodium chloride crystal is X pm the length [...]

The edge of unit cell of FCC Xe crystal is 620 pm . The radius of Xe atom is (a) 219.25 pm (b) 235.16 pm (c) 189.37 pm (d) 209.87 pm The edge of unit cell of FCC Xe crystal is 620 pm . The radius of Xe atom is (a) 219.25 pm (b) 235.16 [...]

In Bragg’s equation nlamda = 2d sin theta , n represents (a) number of moles (b) principal quantum number (c) Avogardo’s number (d) Order of reflection In Bragg's equation nlamda = 2d sin theta n represents (a) number of moles (b) principal quantum number (c) Avogardo's number (d) Order of reflection February 9, 2021 Category: [...]

How many unit cells are present in a cube – shaped ideal crystal of NaCl mass 1.00 g[ Atomic masses : Na = 23 , Cl = 35.5 ] (a) 2.57 x 10^21 unit cells (b) 5.14 x 10^21 unit cells (c) 1.28 x 10^21 unit cells (d) 1.71 x 10^21 unit cells Cl = [...]

Lithium forms body centred cubic structure. The length of the side of its unit cell is 351 pm. Atomic radius of the lithium will be (a) 75 pm (b) 300 pm (c) 240 pm (d) 152 pm Lithium forms body centred cubic structure. The length of the side of its unit cell is 351 pm. [...]

The interionic distance for cesium chloride crystal will be (a) a (b) a/2 (c) root 3a /2 (d) 2a/root The interionic distance for cesium chloride crystal will be (a) a (b) a/2 (c) root 3a /2 (d) 2a/root February 8, 2021 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

An element occuring in the bcc structure has 12.08 x 10^23 unit cells. The total number of atoms of the element in these cells will be An element occuring in the bcc structure has 12.08 x 10^23 unit cells. The total number of atoms of the element in these cells will be February 8, 2021 [...]