CBSE Class 12 Physics 2020 Outside Delhi Set 1 Paper - Question ...

CBSE Class 12 Physics 2020 Outside Delhi Set 1 Paper

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Question : 5 of 37

Marks: +1, -0

The kinetic energy of a proton and that of an

α

-particle are

4 {\eV}

and

1 {\eV}

, respectively. The ratio of the de-Broglie wavelengths associated with them, will be :

$2: 1$
$1: 1$
$1: 2$
$4: 1$

Solution:

(b)

1: 1

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