Advertisements
Advertisements
Question
Give one example of isobars.
Advertisements
Solution
`""_11^23Na` and `""_12^23Mg` are isobar having same mass number 23 and different atomic numbers.
APPEARS IN
RELATED QUESTIONS
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
Why do Free electrons not leave the metal surface on their own
In a cathode ray tube state:
(i) the purpose of covering cathode by thorium and carbon.
(ii) the purpose of the fluorescent screen.
(iii) how is it possible to increase the rate of emission of electrons.
State two similarities and two dissimilarities between the γ-rays and X-rays.
State the penetrating range of α, β and γ radiations.
From α, β and γ-rays, name the one which travels with the speed of light?
What is the value of the speed of gamma radiations in air or vacuum?
A radioactive nucleus \[\ce{^A_ZX}\] undergoes spontaneous decay in the sequence \[\ce{^A_ZX -> _{Z-1 }B -> _{Z-3}C -> _{Z-2}D }\], where Z is the atomic number of element X. The possible decay particles in the sequence are ______.
When an α-particle of mass m moving with velocity ν bombards on a heavy nucleus of charge Ze, its distance of closest approach from the nucleus depends on m as:
Assertion (A): Hydrogen atom consists of only one electron but its emission spectrum has may lines.
Reason (R): Only Lyman series is found in the absorption spectrum of hydrogen atom whereas in the emission spectrum, all the series are found.
