Download App

STD 11 - 2. structure of atom — JEE STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceJEESTD 11 - 2. structure of atom4 Marks
MCQ
Watermelon model of atom was proposed by :
  • A
    Rutherford
  • ✓
    Thomson
  • C
    Bohr
  • D
    Sommerfeld
✓

Answer

Correct option: B.
Thomson
b
J. J. Thomson proposed the watermelon model of the atom which is also known as the plum pudding model in which electrons are present inside the atom-like plumb in the pudding.

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

JEE STD 11 Science question papers→Gujarat Board STD 11 Science question papers→Gujarat Board question paper generator→

Similar questions

Assertion : $Pb^{4+}$ compounds are stronger oxidizing agents than $Sn^{4+}$ compounds.

Reason : The higher oxidation states for the group $14$ elements are more stable for the heavier members of the group due to ‘inert pair effect’.

→
First $I.P.$ of $Mg$ is ...... than $Al$
→
The number of non-ionisable protons present in the product $B$ obtained from the following reaction is $\text { . } C _{2} H _{5} OH + PCl _{3} \rightarrow C _{2} H _{5} Cl + A$  $A + PCl _{3} \rightarrow B$
→
The strongest base among the following is
→
Which of the following has maximum mass
→
When acetaldehyde is heated with Fehling's solution, it gives a red ppt. of
→
$\begin{matrix}
   C{{H}_{3}}-CH-C{{H}_{3}}  \\
   \,|\,\,\,\,\,\,\,\,\,  \\
   OH\,\,\,  \\
\end{matrix}$$\xrightarrow{PB{{r}_{3}}}A\xrightarrow{Mg}B\xrightarrow{\begin{matrix}
   O\,\,  \\
   /\,\,\,\,\backslash \,  \\
   C{{H}_{2}}-\,C{{H}_{2}}  \\
\end{matrix}}C$ $\xrightarrow{{{H_2}O}}D$ Here, $D$ is
→
The weakest acid $HX$ ($X = F, Cl, Br, I$) is
→
Find out $Ka$ for acid when degree of hydrolysis of $0.1\, M\, CH_3COONa$ is $1\%$
→
According to Fajan's rule, covalent bond is favoured by
→