Spectrum of Hydrogen

The frequency of oscillation of the electric field vector of a certain electromagnetic.wave is  $5\times {10}^{14}$ Hz. What is the frequency of oscillation of the corresponding magnetic field vector and to which part of the electromagnetic spectrum does it belong?

Bright coloured lines separated by dark spaces is called as _____.

Which of the following is correct?

The Lyman series corresponds to the emission lines of hydrogen atom due to the transitions of the type $\mathrm{n}\to 1(2\to 1,3\to 1,4\to 1$, etc ) where $\mathrm{n}$ is the principal quantum number of the excited state. The ionization energy of the hydrogen atom can be determined by plotting:

The absorption spectrum comprises _____ in the spectrum whereas the emission spectrum comprises coloured lines.

The absorption spectrum comprises dark lines or gaps in the spectrum whereas the emission spectrum comprises _____.

Differentiate absorption spectrum from emission spectrum.

The product obtained after positron emission from ${{}_{31}\mathrm{Ga}}^{68}$ is

Among the following, which transition in the Hydrogen spectrum would have the same wavelength as Balmer transition, $\mathrm{n}=4$ to $\mathrm{n}=2$ in ${\mathrm{He}}^{+}$ spectrum?

Which ion would undergo the greates deflection in a mass spectrometer?

Light consisting of a range of wavelengths of visible light is termed as _____ light.

Choose the correct order of wavelength for below mentioned four regions of electromagnetic spectrum:

(Infrared rays, Radio waves, Microwaves, Ultraviolet rays)

The wavelength of red colour is $7 \times {10}^{-7} \mathrm{m}$ and that of blue is $4\times {10}^{-7} \mathrm{m}$. If $v_R$ and $v_B$ be the speed of red and blue colours respectively in glass. Then which of the following is correct?

The wavelength of red colour is $7 \times {10}^{-7} \mathrm{m}$ and that of blue is $4\times {10}^{-7} \mathrm{m}$. If $v_R$ and $v_B$ be the speed of red and blue colours respectively in vacuum. Then which of the following is correct?

The correct representation of wavelength intensity relationship of an ideal black body radiation at two different temperatures ${\mathrm{T}}_1$ and ${\mathrm{T}}_2$ is

Many types of electromagnetic radiations, differ from one another in wavelength (or frequency) constitute a spectrum known as

The study of emission or absorption spectra is referred to as

Which one of waves cannot be seen through electromagnetic spectrum?

Visible light lies between infrared and microwaves in the electromagnetic spectrum.

Which one of the following aqueous solutions gives the most intense colour?