An element of nucleon number P and atomic number Q emits ...
An element of nucleon number P and atomic number Q emits an alpha particle from its nucleus. The resultant numbers of the new element formed are respectively
P - 4 and Q + 2
P - 4 and Q - 2
P + 2 and Q + 2
P + 2 and Q - 2
Correct answer is B
No explanation has been provided for this answer.
The diagram shows the variation of volume V of a glass with temperature at the point X is ...
Which of the following statements is applicable to a real image formed by a concave mirror? i. it...
Natural radioactivity consists of emission? ...
The tyre pressure of a car was found to be 150cmHg in the morning at a temperature of 27°C. Hard...