MCQ
Wavelength associated with electron motion
- AIncreases with increase in speed of electron
- BRemains same irrespective of speed of electron
- ✓Decreases with increase in speed of ${e^ - }$
- DIs zero
✓
Answer
Correct option: C.
Decreases with increase in speed of ${e^ - }$
c
It’s Obvious
It’s Obvious
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
How are the following compounds related ?
Calculate .......$M$ Molarity of a $63 \%$ $w/w\,HNO_{3}$ solution if density is $5.4 $ $g / mL$
→In which of the following species are planar
Oxidation state of $Fe$ in $F{e_3}{O_4}$ is
→The molecular orbitals like atomic orbitals are filled in accordance with the :
Consider the following list of reagents :
→Acidified $K _2 Cr _2 O _7$, alkaline $KMnO _4, CuSO _4, H _2 O _2, Cl _2, O _3, FeCl _3, HNO _3$ and $Na _2 S _2 O _3$. The total number of reagents that can oxidise aqueous iodide to iodine is
The electron affinity of the following elements can be arranged
Which of the following salts on dissolution in water gives $pH$ less than $7$ at $298\, K $?
→The standard enthalpies of formation of $1, 3-$ butadiene $(g),\, CO_2(g)$ and $H_2O(g)$ at $298\,K$ are $-30, -94$ and $-68\,\, kcal/ mol,$ respectively. If the magnitude of resonance enthalpies of $1,3-$ butadiene and $CO_2$ are $10$ and $20\,\, kcal/mol,$ respectively, the enthalpy of combustion of $1, 3-$butadiene $(g)$ at $298\,K,$ is........$kcal / mol$ (enthalpy of vaporisation of $H_2O(l)$ at $298\,K = 10 \,\,kcal/mol$)
→In which of the following species the bonds are non-directional?