Question Answers

Nitrogen can be obtained from air by removing (a) Oxygen (b) Hydrogen (c) Carbon dioxide (d) Both (a) and (c) Nitrogen can be obtained from air by removing (a) Oxygen (b) Hydrogen (c) Carbon dioxide (d) Both (a) and (c) November 18, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

CaC2 + N2 to A, product A is (a) CaCN2 (b) CaCN2 and C (c) CaCN2 + N2 (d) None of these CaC2 + N2 to A product A is (a) CaCN2 (b) CaCN2 and C (c) CaCN2 + N2 (d) None of these November 18, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]

A mixture of sand and iodine can be seperated by (a) crystallisation (b) sublimation (c) distillation (d) fractional distillation A mixture of sand and iodine can be seperated by (a) crystallisation (b) sublimation (c) distillation (d) fractional distillation November 18, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

Which of the following compound show sublimation (a) NH4Cl (b) CaCO3 (c) BaSO4 (d) CaHPO3 Which of the following compound show sublimation (a) NH4Cl (b) CaCO3 (c) BaSO4 (d) CaHPO3 November 18, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

The prefix 10 ^18 is (a) Giga (b) nano (c) mega (d) exa The prefix 10 ^18 is (a) Giga (b) nano (c) mega (d) exa November 18, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

Statement – 1 : On viewing the clear blue portion of the sky through a Calcite Crystal, the intensity of transmitted light varies as the crystal is rotated. Statement – 2 : The light coming from the sky is polarized due to scattering of sun light by particles in the atmosphere. The scattering is largest [...]

At two points P and Q on a screen in Young’s double slit experiment, waves from slits S1 and S2 have a path difference of 0 and λ/4 respectively. The ratio of intensities at P and Q will be : At two points P and Q on a screen in Young's double slit experiment waves [...]

In a Young’s double slit experiment, one of the slit is wider than other, so that amplitude of the light from one slit is double of that from other slit. If Im be the maximum intensity, the resultant intensity I when they interfere at phase difference ϕ, is given by In a Young's double slit [...]

In NH3 and PH3, the common is (a) Odour (b) Combustibility (c) Basic nature (d) None of these In NH3 and PH3 the common is (a) Odour (b) Combustibility (c) Basic nature (d) None of these November 18, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

Given P = 0.0030 m, Q = 2.40 M, R = 3000 M, Significant figures in P, Q and R are respectively Given P = 0.0030 m Q = 2.40 M Q and R are respectively R = 3000 M Significant figures in P November 18, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]