ICSE BoardEnglish MediumSTD 10PhysicsModern Physics3 Marks
Question
State two similarities and two dissimilarities between the γ-rays and X-rays.
✓
Answer
Similarities: Both ?-radiations and X-rays affect photographic plate, both travel with the speed of light. Dissimilarities: ?-radiations are obtained in emissions from the radioactive substances due to energy change in the nucleus of their atoms and X- rays are obtained when highly energetic cathode rays are stopped by a heavy metal target of high melting point. ?-radiations have high penetration power but X-rays do not have have very high penetration power.
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