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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
Under which conditions does the nucleus of an atom tend to radioactive?
State the penetrating range of α, β and γ radiations.
Radioactive substances were found to give off three types of rays. Name them. How do they
(a) React to the magnetic field?
(b) React to the electric field?
(c) Act when different thickness of lead sheets is placed in their path?
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?
What are the types of emission?
Explain, why radium paint, consisting of zinc sulphide and a trace of radium salt, glows in the dark?
State three ways of obtaining an electron-beam.
Two radioactive materials A and B have decay constants 25λ and 16λ respectively. If initially they have the same number of nuclei, then the ratio of the number of nuclei of B to that of A will be "e" after a time `1/("a"lambda)` The value of a ______.
In the following atoms, which one is a radioisotope? Give one use of this isotope.
O16, C14, N14, He4
