Advertisements
Advertisements
प्रश्न
Answer the following questions based on a hot cathode ray tube.
State the approximate voltage used to heat the filament
Advertisements
उत्तर
The filament is heated by a filament connected to a low-tension battery of about 6 V.
APPEARS IN
संबंधित प्रश्न
When does the nucleus of an atom tend to become radioactive?
State three factors on which the rate of emission of electrons from a metal surface depends
Write one use of cathode ray tube.
What happens if the negative potential is changed on a grid?
What do you mean by Atomic mass
State two similarities and two dissimilarities between the γ-rays and X-rays.
State the penetrating range of α, β and γ radiations.
A radioactive nuclide `""_86^226` Ra decays by emission of two alpha particles, one beta particle and gamma rays. Which of the following is the resulting nuclide X?
Mention one important function of ear main parts:
State the principle on which the functioning of a nuclear reactor is based.
A radioactive element is placed in an evacuated chamber. Then the rate of radioactive decay will ______.
