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Which of the following, is the longest wave? (a) X-rays (b) y-rays (c) Microwaves (d) Radio waves



Which of the following, is the longest wave?


(a)    X-rays


(b)    y-rays


        (c)    Microwaves       


(d)    Radio waves


Grade:11

1 Answers

Hrishant Goswami
343 Points
7 years ago

(d)

        Rays                  Wavelength [Range in m]

        X-rays               1 × 10-11 to 3 × 10-8

        Y-rays               6 × 10-14 to 1 × 10-11

        Microwaves        10-3 to 0.3

        Radio waves       10 to 104

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