Download App

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

Rajasthan BoardEnglish MediumSTD 11 ScienceChemistry2. structure of atom1 Mark
MCQ
Cathode rays are
  • A
    Protons
  • ✓
    Electrons
  • C
    Neutrons
  • D
    $\alpha $-particles
✓

Answer

Correct option: B.
Electrons
b
(b) Cathode rays are made up of negatively charged particles (electrons) which are deflected by both the electric and magnetic fields.

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 below are two statements: one is labelled as Assertion $(A)$ and the other is labelled as Reason $(R).$

Assertion $(A) :$ Treatment of bromine water with propene yields $1-$bromopropan$-2-$ol.

Reason $(R):$ Attack of water on bromonium ion follows Markovnikov rule and results in $1-$bromopropan$-2-$ol.

In the light of the above statements, choose the most appropriate answer from the options given below:

→
A hydrocarbon was found to contain 85.7% by mass of carbon and 14.3% by mass of hydrogen. Molar mass of hydrocarbon is 56g mot-1. The formula for hydrocarbon is
→
Number of molecules having bond order $2$ from the following molecule is. . . . . . .  $\mathrm{C}_2, \mathrm{O}_2, \mathrm{Be}_2, \mathrm{Li}_2, \mathrm{Ne}_2, \mathrm{~N}_2, \mathrm{He}_2$
→
The solubility product of $A{s_2}{S_3}$ is $2.8 \times {10^{ - 72}}$. What is the solubility of $A{s_2}{S_3}$
→
Which of the following is the first member of ester homologous series?
→
benzene $ + \,C{H_2}C{l_2}\,\xrightarrow{{AlCl}}\,A$, $'A'$ is
→
For which of the following parameters the structural isomers ${C_2}{H_5}OH$ and $C{H_3}OC{H_3}$ would be expected to have the same values ? (Assume ideal behaviour)
→
Which of the following is not a correct statement regarding the energies of orbitals ?
→
Tailing of mercury is ___________ redox change.
→
How many cyclic structures are possible for $C_4H_6$ ?
→