Question

Plz reply fast it's urgent ​

Answer 1

Answer:

Ratio of wavelengths of waves associated with

two moving particles A & B with kinetic energy

E & E, is 2 : 3 then E /E, is :

(1) 4:9 (2) 9:4 (3) 3:3 (4) 2:3

Answer 2

Answer:

Ans - {4}

Explanation:

The process of exchange of chromatid parts between maternal and paternal chromatids of homologous chromosomes.

Hope it helped.