Question
Cathode rays consist of
✓
Answer
(b) Cathode rays are made up of negatively charged particles called electrons. These rays produce ionization of gases trough which they travel.
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
If $x \propto {t^{5/2}}$ , then
→Two closed organ pipes of length $100 \,cm$ and $101 \,cm$ $16$ beats in $20\, sec$. When each pipe is sounded in its fundamental mode calculate the velocity of sound .... $ms^{-1}$
→The time period of oscillation of a bar magnet suspended horizontally along the magnetic meridian is $T_0$. If this magnet is replaced by another magnet of the same size and pole strength but with double the mass, the new time period will be
→The resultant of $\overrightarrow P $ and $\overrightarrow Q $ is perpendicular to $\overrightarrow P $. What is the angle between $\overrightarrow P $ and $\overrightarrow Q $
→In the given reaction,
→$[Figure]$ $\xrightarrow{{{H^ + }/H{g^{2 + }}}}A$
the product '$ A'$ is
In a semiconducting material the mobilities of electrons and holes are $\mu$$e$ and $\mu$$h$ respectively. Which of the following is true
→Two batteries, one of $emf$ $18\, volts$ and internal resistance $2\,\Omega $ and the other of $emf$ $12\, volt$ and internal resistance $1\,\Omega $, are connected as shown. The voltmeter $V$ will record a reading of .............. $\mathrm{volt}$
→Velocity-time curve for a body projected vertically upwards is
If the earth stops rotating, the value of $‘g’$ at the equator will
→There are two liquid drops of different radii. The excess pressure inside over the outside is