Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
In figure, two cells have equal emf e but internal resistances are r1 and r2 . If the reading of the voltmeter is zero, then relation between R, r1 and r2 is
13
Nov
In figure, two cells have equal emf e but internal resistances are r1 and r2 . If the reading of the voltmeter is zero, then relation between R, r1 and r2 is In figure r1 and r2 is then relation between R two cells have equal emf e but internal resistances are r1 and r2 [...]
Which one of the following on hydrolysis, gives the corresponding metallic hydroxide, H2O2 and O2 (a) Li2O (b) Na2O2 (c) NaO2 (d) Na2O
13
Nov
Which one of the following on hydrolysis, gives the corresponding metallic hydroxide, H2O2 and O2 (a) Li2O (b) Na2O2 (c) NaO2 (d) Na2O gives the corresponding metallic hydroxide H2O2 and O2 (a) Li2O (b) Na2O2 (c) NaO2 (d) Na2O Which one of the following on hydrolysis November 13, 2020 Category: Uncategorised (JEE Advanced Physics by [...]
A constant 60 V dc supply is connected across two resistors of resistance 400 kΩ and 200 kΩ. What is the reading of the voltmeter, also of resistance 200 kΩ, when connected across the second resistor are shown ?
13
Nov
A constant 60 V dc supply is connected across two resistors of resistance 400 kΩ and 200 kΩ. What is the reading of the voltmeter, also of resistance 200 kΩ, when connected across the second resistor are shown ? A constant 60 V dc supply is connected across two resistors of resistance 400 kΩ and [...]
The metal that produces red-violet colour in the non-luminous flame is (a) Ba (b) Ag (c) Rb (d) Pb (e) Zn
13
Nov
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
13
Nov
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
13
Nov
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
13
Nov
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
13
Nov
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
13
Nov
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 ?
13
Nov
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 [...]