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Assertion : Potassium and caesium are used in photo-electric cells. Reason : Potassium and caesium emit electrons on exposure to light.
15
Nov
Assertion : Potassium and caesium are used in photo-electric cells. Reason : Potassium and caesium emit electrons on exposure to light. Assertion : Potassium and caesium are used in photo-electric cells. Reason : Potassium and caesium emit electrons on exposure to light. November 15, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP [...]
Assertion : Lithium forms Lithium oxide (Li2O). Reason : N2 molecule have unpaired electrons.
15
Nov
Assertion : Lithium forms Lithium oxide (Li2O). Reason : N2 molecule have unpaired electrons. Assertion : Lithium forms Lithium oxide (Li2O). Reason : N2 molecule have unpaired electrons. November 15, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
A battery of emf ε0 = 5 V and internal resistance 5Ω is connected across a long uniform wire AB of length 1m and resistance per unit length 5Ω/m. Two cells of ε1 = 1 V and ε2 = 2 V are connected a
15
Nov
A battery of emf ε0 = 5 V and internal resistance 5Ω is connected across a long uniform wire AB of length 1m and resistance per unit length 5Ω/m. Two cells of ε1 = 1 V and ε2 = 2 V are connected a A battery of emf ε0 = 5 V and internal resistance [...]
Correct order of increasing activity is (a) Cu, Mg, Na (b) Na, Mg, Cu (c) Mg, Na, Cu (d) Cu, Na, Mg
15
Nov
Correct order of increasing activity is (a) Cu, Mg, Na (b) Na, Mg, Cu (c) Mg, Na, Cu (d) Cu, Na, Mg Correct order of increasing activity is (a) Cu Cu (c) Mg Cu (d) Cu Mg Na Na (b) Na November 15, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) [...]
In the circuit shown in figure, the cell is ideal with emf 9 V. If the resistance of the coil of galvanometer is 1 ohm , then
15
Nov
In the circuit shown in figure, the cell is ideal with emf 9 V. If the resistance of the coil of galvanometer is 1 ohm , then In the circuit shown in Figure the cell is ideal with emf 9 V. If the resistance of the coil of galvanometer is 1 ohm then November 15, [...]
In figure, voltmeter is not ideal. If the voltmeter is removed from R1 and then put across R2 , what will be the effect on current I? Given R1 >R2.
15
Nov
In figure, voltmeter is not ideal. If the voltmeter is removed from R1 and then put across R2 , what will be the effect on current I? Given R1 >R2. In figure voltmeter is not ideal. If the voltmeter is removed from R1 and then put across R2 what will be the effect on current [...]
As compared to lithium, sodium reacts quickly with water because (a) Its molecular weight is less (b) It is stronger electronegative
15
Nov
As compared to lithium, sodium reacts quickly with water because (a) Its molecular weight is less (b) It is stronger electronegative As compared to lithium sodium reacts quickly with water because (a) Its molecular weight is less (b) It is stronger electronegative November 15, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP [...]
In the above question, if the polarity of E2 is reversed, then
15
Nov
In the above question, if the polarity of E2 is reversed, then if the polarity of E2 is reversed In the above question then November 15, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Which of the following statement is correct regarding alkali metals (a) Cation is less stable than the atom (b) Cation is smaller than the atom
15
Nov
Which of the following statement is correct regarding alkali metals (a) Cation is less stable than the atom (b) Cation is smaller than the atom Which of the following statement is correct regarding alkali metals (a) Cation is less stable than the atom (b) Cation is smaller than the atom November 15, 2020 Category: Uncategorised [...]
Two ideal batteries and two ammeters are arranged as shown in figure.
15
Nov
Two ideal batteries and two ammeters are arranged as shown in figure. Two ideal batteries and two ammeters are arranged as shown in figure. November 15, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,