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प्रश्न
A radiation X is focused by a particular device on the bulb of a thermometer and mercury in the thermometer shows a rapid increase. Name the radiation X
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उत्तर
Radiation X is infrared radiation.
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संबंधित प्रश्न
Answer the following questions based on a hot cathode ray tube.
State the approximate voltage used to heat the filament
Why do Free electrons not leave the metal surface on their own
What happens if the negative potential is changed on a grid?
Give one example of isobars.
State the penetrating range of α, β and γ radiations.
How is a cathode ray beam affected while passing through a magnetic field?
Explain, why radium paint, consisting of zinc sulphide and a trace of radium salt, glows in the dark?
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In U238 ore containing Uranium the ratio of U234 to Pb206 nuclei is 3. Assuming that all the lead present in the ore is final stable product of U238. Half life of U238 to be 4.5 × 109 years and the age of ore is ______ × 109 years. (in 109 years)
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.
