a proton
a gamma ray
a helium particle
an alpha particle
Correct answer is D
2713Al + 10n ⇒ 2411Na + baX
a + 11 = 0 + 13 ⇒ a = 2
b + 24 = 1 + 27 ⇒ b = 4
baX = 42α
Which of the following statements is Not true about atoms? ...
Lenz's law of electromagnet states that ...
Steam burn is more severe than that of boiling water because ...
Which of the following statements about distance and displacement is not correct? ...
Convex mirror are used as driving mirrors because images formed are? ...
When two cells of negligible internal resistances and equal e.m.f. denoted by E1 and E\(_2...
A cell of internal resistance 1Ω supplies current to an external resistor of 3Ω. The efficiency ...