How many waves of Kr86 are there in one meter? - Vidyadip

MCQ

How many waves of Kr⁸⁶ are there in one meter?

A
1553164.13
B
652189.63
C
2347127.23
✓
1650763.73

✓

Answer

Correct option: D.

1650763.73

D

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

Explore more

More "M.C.Q (1 Marks)" from PART - 1 CH - 1 Units and Measurements→PART - 1 CH - 1 Units and Measurements — all question types→Physics STD 11 Science question papers→Gujarat Board STD 11 Science question papers→Gujarat Board question paper generator→

Similar questions

${\mu _0}$ and ${\varepsilon _0}$ denote the permeability and permittivity of free space, the dimensions of ${\mu _0}{\varepsilon _0}$ are

An inclined plane makes an angle of $30^{\circ}$ with the horizontal. A solid sphere rolling down this inclined plane from rest without slipping has a linear acceleration equal to ........

Water rises to a height of $16.3 \,cm$ in a capillary of height $18 \,cm$ above the water level. If the tube is cut at a height of $12\, cm$

A piston is slowly pushed into a metal cylinder containing an ideal gas. Which of the following statements is/are incorrect?

The densities of two solid spheres $A$ and $B$ of the same radii $R$ vary with radial distance $r$ as $\rho_A(r)=$ $k \left(\frac{ r }{ R }\right)$ and $\rho_B( r )= k \left(\frac{ r }{ R }\right)^5$, respectively, where $k$ is a constant. The moments of inertia of the individual spheres about axes passing through their centres are $I_A$ and $I_B$, respectively. If $\frac{I_B}{I_A}=\frac{n}{10}$, the value of $n$ is

Heat is given to an ideal gas in an isothermal process.

$A.$ Internal energy of the gas will decrease.

$B.$ Internal energy of the gas will increase.

$C.$ Internal energy of the gas will not change.

$D.$ The gas will do positive work.

$E.$ The gas will do negative work.

Choose the correct answer from the options given below :

A wave in a string has an amplitude of $2\,\, cm.$ The wave travels in the $+ve$ direction of $x-$ axis with a speed of $128\,\, m/s$ and it is noted that $5$ complete waves fit in $4\,\, m$ length of the string. The equation describing the wave is

If electronic charge $e$, electron mass $m$, speed of light in vacuum $c$ and Planck 's constant $h$ are taken as fundamental quantities, the permeability of vacuum $\mu _0$ can be expressed in units of

If solid will break under pressure greater than $13\ atm$ and that solid has a specific gravity of $4$ , what is the maximum height of a cylinder made from the solid that can be built at the earth's surface ? (Note: $1\ atm$ = $10^5\ Pa$ .) ......... $m$

An ideal gas is in thermodynamic equilibrium. The number of degrees of freedom of a molecule of the gas in $n$. The internal energy of one mole of the gas is $U_n$ and the speed of sound in the gas is $v_n$. At a fixed temperature and pressure, which of the following is the correct option?