Advertisements
Advertisements
प्रश्न
What are isobars?
Advertisements
उत्तर
The atoms of different elements which have the same mass number 'A', but different atomic number 'Z' are called 'Isobars'.
APPEARS IN
संबंधित प्रश्न
When does the nucleus of an atom tend to become radioactive?
Name the radiations which are absorbed by greenhouse gases in the earth’s atmosphere.
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
How can they be made to leave the metal surface? (State any two ways)
Arrange α, β, and γ rays in ascending order with respect to their
1) Penetrating power.
2) Ionising power
3) Biological effect

Complete the diagram as given above by drawing the deflection of radioactive radiations in an electric field
Explain the use of radioactive in the field of medicine, agriculture and industry.
An electrons emitter must have how much work function and melting point.
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)
