The mass number of nucleus having radius equal to half of the radius of nucleus with mass number 192 is:

The mass number of nucleus having radius equal to half of the radius of nucleus with mass number 192 is:
  1. 24
  2. 32
  3. 40
  4. 20

Solution

Given: R1=R22

As we know, size of the nucleus is given by R=R0A1/3

Therefore, we can write R0A11/3=R02A21/3

⇒A1=18A2

⇒A1=1928=24

Asked in: JEE Main 2024 (31 Jan Shift 2)

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