1
KCET 2019
MCQ (Single Correct Answer)
+1
-0

A hydrogen atom is ground state absorbs $$10.2 \mathrm{~eV}$$ of energy. The orbital angular momentum of the electron is increased by

A
$$1.05 \times 10^{-34} \mathrm{~Js}$$
B
$$2.11 \times 10^{-34} \mathrm{~Js}$$
C
$$3.16 \times 10^{-34} \mathrm{~Js}$$
D
$$4.22 \times 10^{-34} \mathrm{~Js}$$
2
KCET 2019
MCQ (Single Correct Answer)
+1
-0

The end product of decay of $${ }_{90} \mathrm{Th}^{232}$$ is $${ }_{82} \mathrm{~Pb}^{208}$$. The number of $$\alpha$$ and $$\beta$$ particles emitted are respectively

A
$$3,3$$
B
$$6,4$$
C
$$6,0$$
D
$$4,6$$
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