JEE Main 2016 Physics question

PhysicsElectromagnetic WavesJEE Main 2016

Arrange the following electromagnetic radiations per quantum in the order of increasing energy : A : Blue light B : Yellow light C : X-ray D : Radiowave

Answer: (A)

Solution

Photon energy increases with frequency: radiowave < yellow light < blue light < X-ray, i.e. D, B, A, C.

Question ID VK-008865