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प्रश्न
Represent the change in the nucleus of a radioactive element when a β particle is emitted.
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उत्तर
In an unstable nucleus, the neutron is changed into a proton by emitting a beta particle. This is represented as
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संबंधित प्रश्न
Give one example of isobars.
State two similarities and two dissimilarities between the γ-rays and X-rays.
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 of an element X which has the symbol `""_84^202` X emits an alpha particle and then a beta particle. The final nucleus is `""_"b"^"a"` Y Find a and b.
A radioactive source emits three types of radiations.
Name the radiation which has the highest ionizing power.
Define bound electrons.
Are all the radiations viz. α, β and γ emitted in a single radioactive decay?
A radioactive element is placed in an evacuated chamber. Then the rate of radioactive decay will ______.
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): 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.
