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The metal that produces red-violet colour in the non-luminous flame is (a) Ba (b) Ag (c) Rb (d) Pb (e) Zn The metal that produces red-violet colour in the non-luminous flame is (a) Ba (b) Ag (c) Rb (d) Pb (e) Zn November 13, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP [...]

Sodium peroxide which is a yellow solid, when exposed to air becomes white due to the formation of (a) H2O2 (b) Na2O (c) Na2O and O3 (d) NaOH and Na2CO3 Sodium peroxide which is a yellow solid when exposed to air becomes white due to the formation of (a) H2O2 (b) Na2O (c) Na2O and [...]

Two cells A and B of emf 1.3 V and 1.5 V respectively are arranged as shown in figure. The voltmeter reads 1.45 V. The voltmeter is assumed to be ideal. Then Two cells A and B of emf 1.3 V and 1.5 V respectively are arranged as shown in figure. The voltmeter reads 1.45 [...]

In the Castner’s process for the extraction of sodium, the anode is made of ………………… metal (a) Copper (b) Iron (c) Sodium (d) Nickel In the Castner's process for the extraction of sodium the anode is made of ..................... metal (a) Copper (b) Iron (c) Sodium (d) Nickel November 13, 2020 Category: Uncategorised (JEE Advanced [...]

An ammeter and a voltmeter are joinned in series to a cell. Their readings are A and V , respectively. If a resistance is now joined in parallel with the voltmeter , then An ammeter and a voltmeter are joinned in series to a cell. Their readings are A and V respectively. If a resistance [...]

The most stable compound is (a) LiF (b) LiCl (c) LiBr (d) Lil The most stable compound is (a) LiF (b) LiCl (c) LiBr (d) Lil November 13, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

In the given circuit ( figure ) in which case will the ammeter reading not change when R2 is varied ? In the given circuit ( figure ) in which case will the ammeter reading not change when R2 is varied ? November 13, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP [...]

Assertion: If optical density of a substance is more than that of water then the mass density of substance can be less than water. Reason: Optical density and mass density are not related. Assertion: If optical density of a substance is more than that of water then the mass density of substance can be less [...]

Assertion: A thick lens shows more chromatic aberration. Reason : Thick lens behave as many thin lenses. Assertion: A thick lens shows more chromatic aberration. Reason : Thick lens behave as many thin lenses. November 13, 2020 Category: AIIMS Last 24 Years Solved 1996 - 2019 Physics and Chemistry Video Solutions , Chapter 28 - [...]

Assertion: Magnification of a convex mirror is always positive, but that of a concave mirror may be both positive or negative. Reason: It depends on the sign convention chosen. Assertion: Magnification of a convex mirror is always positive but that of a concave mirror may be both positive or negative. Reason: It depends on the [...]