Which of the following arrangements of the components of electromagnetic spectrum is in ascending order of wavelengths?
A
Gamma rays, ultraviolet rays, X- rays, infra - red rays
B
Gamma rays, X-rays, ultraviolet rays, infra-red rays
C
infra-red rays, ultraviolet rays, X-rays, gamma rays
D
Gamma rays, ultraviolet rays, infra-red rays, X-rays
Verified Correct Answer: B.
Physical Principles & Numerical Solution
No expanded working has been attached for this question yet. The verified answer is Option B.
Source: Myschool Past Questions Archive (Record #28095)