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RELATED QUESTIONS
Answer the following questions based on a hot cathode ray tube.
State the approximate voltage used to heat the filament
What do you mean by Atomic mass
In following fig. shows a mixed source S of alpha and beta particles in a thick lead container. The particles pass through a magnetic field in a direction perpendicular to the plane of paper (inwards as shown by x). State and show in the diagram how the particles get affected.
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 radioactive substance is oxidized. What changes would you expect to take place in the nature of radioactivity? Explain your answer.
A radioactive source emits three types of radiations.
Name the radiation which has the highest ionizing power.
State two characteristics of the substance used as thermionic emitter.
How is a cathode ray beam affected while passing through an electric field?
Calculate the time interval between 33% decay and 67% decay if half-life of a substance is 20 minutes.
Assertion (A): The force of repulsion between atomic nucleus and α-particle varies with distance according to inverse square law.
Reason (R): Rutherford did α-particles scattering experiment.
