Advertisements
Advertisements
Advertisements
Solution
Cathode rays are used for:
(i) Converting electrical signal into a visual signal, (ii) In television.
RELATED QUESTIONS
What do you mean by Atomic number
What kind of change takes place in a nucleus when a β -particle is emitted?
A radioactive nucleus `""_"Z"^"A"` X first emits a beta particle and then an alpha particle to give the resulting nucleus `""_"Q"^"P"` Y What will be the values of P and Q in terms of A and Z?
A nucleus is \[\ce{^24_11 Na}\] β-radioactive.
Write the equation represent β-decay.
How is a cathode ray beam affected while passing through a magnetic field?
What is meant by Radioactivity?
Explain, why radium paint, consisting of zinc sulphide and a trace of radium salt, glows in the dark?
A radioactive material decays by simultaneous emissions of two particles with half-lives of 1400 years and 700 years respectively. What will be the time after which one-third of the material remains? (Take In3 = 1.1)
When an α-particle of mass m moving with velocity ν bombards on a heavy nucleus of charge Ze, its distance of closest approach from the nucleus depends on m as:
Assertion (A): Hydrogen atom consists of only one electron but its emission spectrum has may lines.
Reason (R): Only Lyman series is found in the absorption spectrum of hydrogen atom whereas in the emission spectrum, all the series are found.
