13.Nuclei
medium

${ }^{40} Ca$ तथा ${ }^{16} O$ के नाभिकों के द्रव्यमान घनत्व के अनुपात का सन्निकट मान ..... होगा।

A

$0.1$

B

$5$

C

$2$

D

$1$

(JEE MAIN-2019)

Solution

Mass densities of all nuclei are same so their ratio is $1$.

Standard 12
Physics

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