Question Answers

Atoms in a P4 molecule of white phosphorus are arranged regularly in space in which of the following way (a) At the corners of tetrahedron (b) At the corners of a cube Atoms in a P4 molecule of white phosphorus are arranged regularly in space in which of the following way (a) At the corners [...]

One atmosphere is equal to (a) 101.325 Kpa (b) 1012.25 Kpa (c) 10^5 (d )none One atmosphere is equal to (a) 101.325 Kpa (b) 1012.25 Kpa (c) 10^5 (d )none November 18, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

Which of the following is not an element (a) diamond (b) graphite (c) silica (d) ozone Which of the following is not an element (a) diamond (b) graphite (c) silica (d) ozone November 18, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

A Young’s double slit experiment uses a monochromatic source. The shape of the interference fringes formed on a screen is : A Young’s double slit experiment uses a monochromatic source. The shape of the interference fringes formed on a screen is : November 18, 2020 Category: Chapter 16 - Optics , JEE Mains Physics 2002-2019 [...]

In a Young’s double slit experiment the intensity at a point where the path difference is 6/λ ​(λ being the wavelength of the light used) is I. if I0 denotes the maximum intensity, then I/I0 is equal to In a Young's double slit experiment the intensity at a point where the path difference is 6/λ [...]

The boiling points of the following hydrides follow the order of (a) NH3 > AsH3 > PH3 > SbH3 The boiling points of the following hydrides follow the order of (a) NH3 > AsH3 > PH3 > SbH3 November 18, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

A sample was weighted using two different balances . The result were (i) 3.929 g (ii) 4.0 g . How would the weight of the sample be reported . If it has to be reported in 3 significant no A sample was weighted using two different balances . The result were (i) 3.929 g (ii) [...]

The most common minerals of phophorus are (a) Hydroxy apatite and kernite (b) Colemanite and fluorapatite The most common minerals of phophorus are (a) Hydroxy apatite and kernite (b) Colemanite and fluorapatite November 18, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

Most acidic oxide is (a) Na2O (b) ZnO (c) MgO (d) P2O5 Most acidic oxide is (a) Na2O (b) ZnO (c) MgO (d) P2O5 November 18, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

A mixture of light, consisting of wavelength 590nm and an unknown wavelength, illuminates Young’s double slit and gives rise to two overlapping interference patterns on the screen. The central maximum of both lights coincide. Further, it is observed that the third bright fringe of known light coincides with the 4th bright fringe of the unknown [...]