According to heisenberg uncertainty principle - Vidyadip

MCQ

According to heisenberg uncertainty principle

A
$E = m{c^2}$
✓
$\Delta x \times \Delta p \ge \frac{h}{{4\pi }}$
C
$\lambda = \frac{h}{p}$
D
$\Delta x \times \Delta p = \frac{h}{{6\pi }}$

✓

Answer

Correct option: B.

$\Delta x \times \Delta p \ge \frac{h}{{4\pi }}$

b
(b) According to uncertainty principle, the product of uncertainties of the position and momentum, is $\Delta x \times \Delta p \ge h/4\pi $.

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 2. structure of atom→2. structure of atom — all question types→Chemistry STD 11 Science question papers→Rajasthan Board STD 11 Science question papers→Rajasthan Board question paper generator→

Similar questions

$HF + HCl{O_4} \rightleftharpoons {H_2}{F^ + } + ClO_4^ - $ and

${H_2}O + {H_2}PO^-_4 \rightleftharpoons {H_3}{O^ + } + HPO_4^{ - 2}$

Select out the group of acidic species lying on the right side of the equilibrium

Ionisation energy of $He^+$ is $19.6\times 10^{-18} \,J\,atom^{-1}.$ The energy of the first stationary state $(n = 1)$ of $ Li^{+2}$ is

$50 $ $ml$ of $2\,N$ acetic acid mixed with $10\,ml$ of $1\,\,N$ sodium acetate solution will have an approximate $pH$ of

In thermodynamics, a process is called reversible when

The number of atoms in $0.004$ $g$ of magnesium are

Cathode rays are made up of

All bond lengths are identical in :-

At $300\, K$, the reactions which have following values of thermodynamic parameters occur spontaneously

Which one of the following does not have an underlined atom with fractional oxidation state

What can be used in combination with a calorimeter to compare the specific heats of two substances?