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#### In hydrogen atom, the area enclosed by n^{th} orbit is A_{n} The graph between and log_{n} will be

#### The correct answer is:

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physics-

#### In hydrogen atom, the radius of n^{th} Bohr orbit is V_{n} The graph between and will be

#### In hydrogen atom, the radius of n^{th} Bohr orbit is V_{n} The graph between and will be

physics-General

physics-

#### In a Bohr atom the electron is replaced by a particle of mass 150 times the mass of the electron and the same charge If a_{0} is the radius of the first Bohr orbit of the orbital atom, then that of the new atom will be

#### In a Bohr atom the electron is replaced by a particle of mass 150 times the mass of the electron and the same charge If a_{0} is the radius of the first Bohr orbit of the orbital atom, then that of the new atom will be

physics-General

physics-

#### The figure shows energy levels of a certain atom, when the system moves from level 2E is emitted The to E, a photon of wavelength wavelength of photon produced during its transition from level 4/3 E to E level is:

#### The figure shows energy levels of a certain atom, when the system moves from level 2E is emitted The to E, a photon of wavelength wavelength of photon produced during its transition from level 4/3 E to E level is:

physics-General

physics-

#### The ionisation energy of atom in ground state is :

#### The ionisation energy of atom in ground state is :

physics-General

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#### A cylindrical solid of length L and radius a is having varying resistivity given by r = r0 x where r0 is a positive constant and x is measured from left end of solid. The cell shown in the figure is having emf V and negligible internal resistance. The electric field as a function of x is best described by :

Consider an elemental part of solid at a distance x from left end of width dx. Resistance of this elemental part is

#### A cylindrical solid of length L and radius a is having varying resistivity given by r = r0 x where r0 is a positive constant and x is measured from left end of solid. The cell shown in the figure is having emf V and negligible internal resistance. The electric field as a function of x is best described by :

physics-General

Consider an elemental part of solid at a distance x from left end of width dx. Resistance of this elemental part is

physics-

#### A charged oil drop falls with terminal velocity V_{0} in the absence of electric field An electric field E keeps it stationary The drop acquires additional charge q and starts moving upwards with velocity V_{0} The initial charge on the drop was

#### A charged oil drop falls with terminal velocity V_{0} in the absence of electric field An electric field E keeps it stationary The drop acquires additional charge q and starts moving upwards with velocity V_{0} The initial charge on the drop was

physics-General

maths-

#### if find the value of x in given figure.

#### if find the value of x in given figure.

maths-General

maths-

#### The number of positive integral solutions of the inequation is –

#### The number of positive integral solutions of the inequation is –

maths-General

maths-

#### Set of values of x satisfying the inequality is then 2a + b + c is equal to

#### Set of values of x satisfying the inequality is then 2a + b + c is equal to

maths-General

maths-

#### Number of integral values of x for which the inequality log_{10} 0 holds true, is

#### Number of integral values of x for which the inequality log_{10} 0 holds true, is

maths-General

maths-

#### implies

#### implies

maths-General

maths-

#### log4 (2x2 + x + 1) – log^{2} (2x – 1) – tan

#### log4 (2x2 + x + 1) – log^{2} (2x – 1) – tan

maths-General

maths-

#### The solution set of the inequation log1/3 (x^{2} + x + 1) + 1 > 0 is

#### The solution set of the inequation log1/3 (x^{2} + x + 1) + 1 > 0 is

maths-General

maths-

#### If –5 + 6 = 0 where a > 0, b > 0 & ab 1. Then the value of x is equal to

#### If –5 + 6 = 0 where a > 0, b > 0 & ab 1. Then the value of x is equal to

maths-General

maths-

#### No. of ordered pair satisfying simultaneously the system of equation . = 256 & log10 – log10 1.5 = 1 is.

#### No. of ordered pair satisfying simultaneously the system of equation . = 256 & log10 – log10 1.5 = 1 is.

maths-General