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संबंधित प्रश्न
Write one use of cathode ray tube.
Name a gas caused by the Greenhouse effect
What kind of change takes place in a nucleus when a β -particle is emitted?
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 substance is oxidized. What changes would you expect to take place in the nature of radioactivity? Explain your answer.
A certain nucleus A (mass number 238 and atomic number 92) is radioactive and becomes a nucleus B (mass number 234 and atomic number 90) by the loss of one particle.
What particle was emitted?
How is a cathode ray beam affected while passing through a magnetic field?
Two radioactive nuclei are represented by xAp and yAq and when p and q are mass numbers and x, y are the atomic number. How can the products be represented, i .e., what are the new values of p, q. x and y after the emission of an α-particle and a β-particle from A and B respectively.
Mention four properties of Becquerel rays.
