Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
Which of the following does not illustrate the anomalous properties of lithium (a) The melting point and boiling point of Li are comparatively high
15
Nov
Which of the following does not illustrate the anomalous properties of lithium (a) The melting point and boiling point of Li are comparatively high Which of the following does not illustrate the anomalous properties of lithium (a) The melting point and boiling point of Li are comparatively high November 15, 2020 Category: Uncategorised (JEE Advanced [...]
In a practical wheat stone bridge circuit as shown, when one more resistance of 100Ω is connected in parallel with unknown resistance ‘x’, then ratio l1/l2 become ‘2’l1 is balance length , AB is a uniform wire. Then value of ‘x’ must be :
15
Nov
In a practical wheat stone bridge circuit as shown, when one more resistance of 100Ω is connected in parallel with unknown resistance ‘x’, then ratio l1/l2 become ‘2’l1 is balance length , AB is a uniform wire. Then value of ‘x’ must be : AB is a uniform wire. Then value of 'x' must be [...]
Which of the following gases turns the acidified potassium dichromate paper green (a) HCl (b) H2S (c) CO2 (d) SO2
15
Nov
Which of the following gases turns the acidified potassium dichromate paper green (a) HCl (b) H2S (c) CO2 (d) SO2 Which of the following gases turns the acidified potassium dichromate paper green (a) HCl (b) H2S (c) CO2 (d) SO2 November 15, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Characteristic feature of alkali metals is (a) Good conductor of heat and electricity (b) High melting points
15
Nov
Characteristic feature of alkali metals is (a) Good conductor of heat and electricity (b) High melting points Characteristic feature of alkali metals is (a) Good conductor of heat and electricity (b) High melting points November 15, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
In certain matters lithium differs from other alkali metals, the main reason for this is (a) Small size of Li atom and Li+ ion
15
Nov
In certain matters lithium differs from other alkali metals, the main reason for this is (a) Small size of Li atom and Li+ ion In certain matters lithium differs from other alkali metals the main reason for this is (a) Small size of Li atom and Li+ ion November 15, 2020 Category: Uncategorised (JEE Advanced [...]
Circuit for the measurement of resistance by potentiometer is shown in figure. The galvanometer is first connected at point A and zero deflection is observed at length PJ=10cm. In second case, it is connected at point C and zero deflection is observed at a length 30 cm from P, then the unknown resistance X is .
15
Nov
Circuit for the measurement of resistance by potentiometer is shown in figure. The galvanometer is first connected at point A and zero deflection is observed at length PJ=10cm. In second case, it is connected at point C and zero deflection is observed at a length 30 cm from P, then the unknown resistance X is [...]
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Circuit for the measurement of resistance by potentiometer is shown in figure. The galvanometer is first connected at point A and zero deflection is observed at length PJ=10cm. In second case ,
it is connected at point C and zero deflection is observed at a length 30 cm from P ,
then the unknown resistance X is . ,
In the potentiometer arrangement shown, the driving cell A has emf ε and internal resistance r. The emf of the cell B is ε2 and internal resistance 2r. The potentiometer wire CD is 100 cm long. If balance is obtained with length CJ=l, then
15
Nov
In the potentiometer arrangement shown, the driving cell A has emf ε and internal resistance r. The emf of the cell B is ε2 and internal resistance 2r. The potentiometer wire CD is 100 cm long. If balance is obtained with length CJ=l, then In the potentiometer arrangement shown the driving cell A has emf [...]
With the increase in atomic weights, melting points of the alkali metals (a) Increase (b) Decrease (c) Remain constant (d) Do not show definite trend
15
Nov
With the increase in atomic weights, melting points of the alkali metals (a) Increase (b) Decrease (c) Remain constant (d) Do not show definite trend melting points of the alkali metals (a) Increase (b) Decrease (c) Remain constant (d) Do not show definite trend With the increase in atomic weights November 15, 2020 Category: Uncategorised [...]
Two ideal batteries having emf E1 and E2 are connected as shown in figure. The values of resistances are chosen in such a way that ammeter reading is zero. The reading of voltmeter will be
15
Nov
Two ideal batteries having emf E1 and E2 are connected as shown in figure. The values of resistances are chosen in such a way that ammeter reading is zero. The reading of voltmeter will be Two ideal batteries having emf E1 and E2 are connected as shown in figure. The values of resistances are chosen [...]
In the manufacture of metallic sodium by the fused salt electrolysis (Down’s process) a small amount of calcium chloride is added to
15
Nov
In the manufacture of metallic sodium by the fused salt electrolysis (Down’s process) a small amount of calcium chloride is added to In the manufacture of metallic sodium by the fused salt electrolysis (Down's process) a small amount of calcium chloride is added to November 15, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]