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
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
An element `""_ZS^A` decays to `""_85R^222` after emitting 2 α particles and 1 β particle.
Find the atomic number and atomic mass of the element S.
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?
3) Which among the three causes the least biological damage externally.
4) Name the radiation which is used in carbon dating.
What do you mean by Atomic number
State two similarities and two dissimilarities between the γ-rays and X-rays.
A radioactive source emits three types of radiations. Name them.
(i) Name the radiations which are charged.
(ii) Name the radiations which are most penetrating.
(iii) Name the radiations which travel with the speed of light.
(iv) Name the radiations which have the largest mass.
Define bound electrons.
State two properties that a substance should possess when used as a thermionic emitter.
How is a cathode ray beam affected while passing through a magnetic field?
