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Assertion : Absorption spectrium consists of some bright lines seperated by dark spaces. Reason : Emission spectrum consists of dark lines.
27
Nov
Assertion : Absorption spectrium consists of some bright lines seperated by dark spaces. Reason : Emission spectrum consists of dark lines. 5 Assertion : The value of n for a line in Balmer series of hydrogen spectrum having the highest wave length is 4 and 6. Reason : For Balmer series of hydrogen spectrum the [...]
Ammonium dichromate on heating gives (a) Chromium oxide and ammonia (b) Chromic acid and nitrogen
27
Nov
Ammonium dichromate on heating gives (a) Chromium oxide and ammonia (b) Chromic acid and nitrogen Ammonium dichromate on heating gives (a) Chromium oxide and ammonia (b) Chromic acid and nitrogen November 27, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
A block of mass m starting from rest slides down a smooth inclined plane of gradient θ, fixed in a lift moving upwards with an acceleration a0 as shown in figure. If the base of the inclined plane has length L, the time taken by the block to slide from top to bottom of the inclined plane, will be
27
Nov
A block of mass m starting from rest slides down a smooth inclined plane of gradient θ, fixed in a lift moving upwards with an acceleration a0 as shown in figure. If the base of the inclined plane has length L, the time taken by the block to slide from top to bottom of the [...]
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A block of mass m starting from rest slides down a smooth inclined plane of gradient θ ,
fixed in a lift moving upwards with an acceleration a0 as shown in figure. If the base of the inclined plane has length L ,
the time taken by the block to slide from top to bottom of the inclined plane ,
will be ,
The lattice energy of the lithium halides is in the following order (a) LiF > LiCl > LiBr > LiI (b) LiCl > LiF > LiBr > Lil
27
Nov
The lattice energy of the lithium halides is in the following order (a) LiF > LiCl > LiBr > LiI (b) LiCl > LiF > LiBr > Lil The lattice energy of the lithium halides is in the following order (a) LiF > LiCl > LiBr > LiI (b) LiCl > LiF > LiBr > [...]
Assertion : A spectral line will be seen for a 2 Px – 2PY transition. Reason : Energy is released in the form of wave of light when the electron drops from 2px – 2py orbital.
27
Nov
Assertion : A spectral line will be seen for a 2 Px – 2PY transition. Reason : Energy is released in the form of wave of light when the electron drops from 2px – 2py orbital. Assertion : A spectral line will be seen for a 2 Px - 2PY transition. Reason : Energy is [...]
Among KO2, NO2 – , BaO2 and NO2 + unpaired electron is present in (a) NO2 + and BaO2 (b) KO2 and BaO2
27
Nov
Among KO2, NO2 – , BaO2 and NO2 + unpaired electron is present in (a) NO2 + and BaO2 (b) KO2 and BaO2 Among KO2 BaO2 and NO2 + unpaired electron is present in (a) NO2 + and BaO2 (b) KO2 and BaO2 NO2 November 27, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]
Assertion : Threshold frequency is a characteristic for a metal Reason : Threshold frequency is a maximum frequency required for the ejection of electron from the metal surface.
27
Nov
Assertion : Threshold frequency is a characteristic for a metal Reason : Threshold frequency is a maximum frequency required for the ejection of electron from the metal surface. Assertion : Threshold frequency is a characteristic for a metal Reason : Threshold frequency is a maximum frequency required for the ejection of electron from the metal [...]
The property of the alkaline earth metals that increases with their atomic number is (a) Ionisation energy (b) Electronegativity
27
Nov
The property of the alkaline earth metals that increases with their atomic number is (a) Ionisation energy (b) Electronegativity The property of the alkaline earth metals that increases with their atomic number is (a) Ionisation energy (b) Electronegativity November 27, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
A pendulum consists of a wooden bob of mass m and of length l. A bullet of mass m1 is fired towards the pendulum with a speed v1. The bullet emerges out of the bob with a speed v1/3 and the bob just completes motion along a vertical circle. Then v1 is :
27
Nov
A pendulum consists of a wooden bob of mass m and of length l. A bullet of mass m1 is fired towards the pendulum with a speed v1. The bullet emerges out of the bob with a speed v1/3 and the bob just completes motion along a vertical circle. Then v1 is : A mass [...]
Which one of the following oxides is neutral (a) CO (b) SnO2 (c) ZnO (d) SiO2
27
Nov
Which one of the following oxides is neutral (a) CO (b) SnO2 (c) ZnO (d) SiO2 Which one of the following oxides is neutral (a) Co (b) SnO2 (c) ZnO (d) SiO2 November 27, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,