Advertisements
Advertisements
प्रश्न
In a cathode ray tube, what is the function of anode?
Advertisements
उत्तर
In a cathode ray tube, the anode not only accelerates the electrons but also focuses them in a fine energetic beam.
APPEARS IN
संबंधित प्रश्न
A radioactive substance is oxidized. Will there be any change in the nature its radioactivity? Give a reason for your answer

Complete the diagram as given above by drawing the deflection of radioactive radiations in an electric field
What do you mean by Atomic mass
A nucleus is \[\ce{^24_11 Na}\] β-radioactive.
Write the equation represent β-decay.
An element P disintegrates by α - -emission and the new element suffers two further disintegrations, both by β -emission, to form an element Q. Explain the fact that P and Q are the isotopes.
During the emission of a beta particle, the ______ number remains same.
What is meant by Radioactivity?
From α, β and γ-rays, name the one which travels with the speed of light?
The mean lives of a radioactive substance are 1620 and 405 years for β-emission and β-emission respectively. The time after which three fourth of a sample will decay if it is decaying both by β-emission and β-emission simultaneously will be ______ years.
(Take ln 2 = 0.693)
If 10% of a radioactive substance decays in every 5 years, then the percentage of the substance that will have decayed in 20 years will be ______.
