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प्रश्न
What is the value of the speed of gamma radiations in air or vacuum?
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उत्तर
Speed of γ radiation = 3 × 108 m/s in air or vacuum.
संबंधित प्रश्न
Name a gas caused by the Greenhouse effect
Radiations given out from a source when subjected to an electric field in a direction perpendicular to their path are shown below in the diagram. The arrows show the path of the radiation A, B and C. Answer the following questions in terms of A, B and C.
1) Name the radiation B which is unaffected by the electrostatic field.
2) Why does the radiation C deflect more than A?
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How is a cathode ray tube used to convert an electrical signal into a visual signal?
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\[\ce{^A_Z X -> ^A_{Z - 2}X + ^4_{2}He}\]
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- α particles are photons
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- Ionization power is maximum for α rays
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