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The wavelengths of two
electromagnetic radiations are 300nm
and 600nm respectively. Then the
ratio between their en

By Josephine

The wavelengths of two
electromagnetic radiations are 300nm
and 600nm respectively. Then the
ratio between their energies is
(A) 1:2
(B) 2:1
(C) 1:1
(D) 1:3​

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Josephine

(ii) Which one of the following is not true about the dragonflies?

(a) They were looking for sweetness from the flowers

1. Or let autumn fall on me
Where afield I linger,
Silencing the bird on tree,
Biting the blue finger.
a. Why

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