Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
An element with emfε and interval resistance r is connected across an external resistance R. The maximum power in external circuit is 9W. The current flowing through the circuit in these conditions is 3A. Then which of the following is // are correct ?
18
Nov
An element with emfε and interval resistance r is connected across an external resistance R. The maximum power in external circuit is 9W. The current flowing through the circuit in these conditions is 3A. Then which of the following is // are correct ? A wire of length L and three identical cells of negligible [...]
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A wire of length L and three identical cells of negligible internal resistance are connected in series. Due to the current ,
In the circuit shown in the figure: ,
the switch S is in position 1 for a long time. Now the switch is thrown to position 2. Find the total heat developed in the circuit till the steady state is reached again. ,
Each of the following is true for white and red phosphorus except that they (a) Are both soluble in CS2 (b) Can be oxidized by heating in air
18
Nov
Each of the following is true for white and red phosphorus except that they (a) Are both soluble in CS2 (b) Can be oxidized by heating in air Each of the following is true for white and red phosphorus except that they (a) Are both soluble in CS2 (b) Can be oxidized by heating in [...]
Which has the lowest boiling point (a) NH3 (b) PH3 (c) AsH3 (d) SbH3
18
Nov
Which has the lowest boiling point (a) NH3 (b) PH3 (c) AsH3 (d) SbH3 Which has the lowest boiling point (a) NH3 (b) PH3 (c) AsH3 (d) SbH3 November 18, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Two bulbs consume same energy when operated at 200 V and 300 V , respectively. when these bulbs are connected in series across a dc source of 500 V, then
18
Nov
Two bulbs consume same energy when operated at 200 V and 300 V , respectively. when these bulbs are connected in series across a dc source of 500 V, then respectively . When these bulbs are connected in series across a dc source of 500 V then Two bulbs consume same energy when operated at [...]
The element Z = 114 has been discovered recently. It will belong to which of the following family/group and electronic configuration (a) Carbon family, (Rn)
18
Nov
The element Z = 114 has been discovered recently. It will belong to which of the following family/group and electronic configuration (a) Carbon family, (Rn) (Rn) The element Z = 114 has been discovered recently. It will belong to which of the following family/group and electronic configuration (a) Carbon family November 18, 2020 Category: Uncategorised [...]
Assuming all bulbs are identical, rank the brightnesses of the bulbs ,room brightest to dimmest .
18
Nov
Assuming all bulbs are identical, rank the brightnesses of the bulbs ,room brightest to dimmest . Assuming all bulbs are identical rank the brightnesses of the bulbs rom brightest to dimmest . November 18, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
It is because of inability of ns^2 electrons of the valence shell to participate in bonding that (a) Sn 2+ is reducing while Pb4+ is oxidizing
18
Nov
It is because of inability of ns^2 electrons of the valence shell to participate in bonding that (a) Sn 2+ is reducing while Pb4+ is oxidizing It is because of inability of ns^2 electrons of the valence shell to participate in bonding that (a) Sn 2+ is reducing while Pb4+ is oxidizing November 18, 2020 [...]
THe circuit below is made up using identical light bulbs. The light bulbs of maximum brightness of the following will be
18
Nov
THe circuit below is made up using identical light bulbs. The light bulbs of maximum brightness of the following will be THe circuit below is made up using identical light bulbs. The light bulbs of maximum brightness of the following will be November 18, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP [...]
Type metal is an alloy of Pb, Sb and Sn. It consists of (a) Equal amounts of the three metals (b) More amount of lead (c) More amount of antimony
18
Nov
Type metal is an alloy of Pb, Sb and Sn. It consists of (a) Equal amounts of the three metals (b) More amount of lead (c) More amount of antimony Sb and Sn. It consists of (a) Equal amounts of the three metals (b) More amount of lead (c) More amount of antimony Type metal [...]
Which of the following compounds of elements in group IV would you expect to be most ionic in character (a) CCl4 (b) SiCl4 (c) PbCl2 (d) PbCl4
18
Nov
Which of the following compounds of elements in group IV would you expect to be most ionic in character (a) CCl4 (b) SiCl4 (c) PbCl2 (d) PbCl4 Which of the following compounds of elements in group IV would you expect to be most ionic in character (a) CCl4 (b) SiCl4 (c) PbCl2 (d) PbCl4 November [...]