Download App

2. structure of atom — Chemistry STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceChemistry2. structure of atom1 Mark
MCQ
The de-Broglie wavelength associated with a material particle is
  • A
    Directly proportional to its energy
  • B
    Directly proportional to momentum
  • C
    Inversely proportional to its energy
  • ✓
    Inversely proportional to momentum
✓

Answer

Correct option: D.
Inversely proportional to momentum
d
(d) de-Broglie equation is $\lambda = \frac{h}{p}$.

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

Given $P = 0.0030\,m$, $Q = 2.40\,m$, $R = 3000\,m$, Significant figures in $P,\,Q$ and $R$ are respectively
→
The orbital angular momentum of a $p-$ electron is given as
→
Which among the following elements has the tendency to form covalent compounds
→
Which of the following is more stable than the remaining three
→
Each of the following options contains a set of four molecules. Identify the option($s$) where all four molecules possess permanent dipole moment at room temperature.

$(1)$ $BeCl _2, CO _2, BCl _3, CHCl _3$

$(2)$ $SO _2, C _6 H _5 Cl , H _2 Se , BrF _5$

$(3)$ $BF _3, O _3, SF _6, XeF _6$

$(4)$ $NO _2, NH _3, POCl _3, CH _3 Cl$

→
Which of the following is most reactive towards nucleophilic attack
→
$X_{g} \to X^+_{(g)} +e^-,$               $\Delta\, H = +720 \, kJ \, mol^{-1}$

Calculate the amount of energy required to convert $110\, mg$ of $'X'$ atom in  gaseous state into $X^+$ ion .................... $\mathrm{kJ}$   (Atomic wt. for $X = 7\, g/mol$)

→
For the electrophilic substitution reaction involving nitration, which of the following sequence regarding the rate of reaction is true ?
→
Assign $A, B, C, D$ from given type of reaction.

${N_2} + 3{H_2} \longrightarrow NH_3$

→
How many pi bonds are present in phosgene?
→