MCQ
The lines in Balmer series have their wavelengths lying between
  • A
    $1266 \,\mathring A$ to $3647 \,\mathring A$
  • B
    $642 \,\mathring A$ to $3000 \,\mathring A$
  • $3647 \,\mathring A$ to $6563 \,\mathring A$
  • D
    Zero to infinity

Answer

Correct option: C.
$3647 \,\mathring A$ to $6563 \,\mathring A$
c
(c)

$\frac{1}{\lambda_{\max }}=R\left(\frac{1}{2^2}-\frac{1}{\infty}\right)$

$\frac{1}{\lambda_{\max }}=R\left(\frac{1}{2^2}-\frac{1}{3^2}\right)$  solve for the range

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

A Centigrade and a Fahrenheit thermometer are dipped in boiling water. The water temperature is lowered until the Fahrenheit thermometer registers $140\,^{\circ} F$. What is the fall in temperature as registered by the centigrade thermometer?
Which of the following is not a unit of time
In the $ n^{th} $ orbit, the energy of an electron ${E_n} = - \frac{{13.6}}{{{n^2}}}eV$ for hydrogen atom. The energy required to take the electron from first orbit to second orbit will be.....$eV$
In given figure, $X$ and $Y$ are two long straight parallel conductors each carrying a current of $2\,\, A.$ The force on each conductor is $F$ newtons. When the current in each is changed to $1\, A $ and reversed in direction, the force on each is now
Which of the plots shown in the figure represents speed $(v)$ of the electron in a hydrogen atom as a function of the principal quantum number $(n)$ ?
In a capillary tube experiment, a vertical $20 \,cm$ long capillary tube is dipped in water. The water rises up to a height of $8\,cm$ due to capillary action. If this experiment is conducted in a freely falling elevator, the length of the water column becomes ....... $cm$
Two long current carrying thin wires, both with current $I$, are held by insulating threads oflength $L$ and are in equilibrium as shown in the figure, with threads making an angle '$\theta$' with the vertical. If wires have mass $\lambda$ per unit length then the value of $l$ is 
($g =$ gravitational acceleration)
In the spectrum of hydrogen, the ratio of the longest wavelength in the Lyman series to the longest wavelength in the Balmer series is
In the circuit diagram shown in the adjoining figure, the resultant capacitance between $P$ and $Q$ is........$\mu F$
The plates of a parallel plate capacitor are charged up to $100 \,volt$ . A $2 \,mm$ thick plate is  inserted between the plates, then to maintain the same potential difference, the distance  between the capacitor plates is increased by $1.6\, mm$. The dielectric constant of the plate  is :-