Electromagnetic spectrum and applications
- Match List - I with List - II :List - I (Electromagnetic waves): (a) AM radio waves (b) Microwaves (c) Infrared radiations (d) X-raysList - II (Wavelength): (i) 10^-10 m (ii) 10^2 m (iii) 10^-2 m (iv) 10^-4 mChoose the correct answer from the options… Answer: 1. (a) - (ii), (b) - (iii), (c) - (iv), (d) - (i) Recall typical wavelength ranges of the electromagnetic spectrum. AM radio waves:... 1
- Which colour of the light has the longest wavelength ? Answer: 1. red In the visible spectrum wavelength decreases from red to violet (about 700 nm for red, 400 nm for violet). So red has the lon... 1