Stop using modafinil and call your doctor at once if you have any of these serious side effects: 1  fever, sore throat, headache, and vomiting with a severe blistering, peeling, and red skin rash; 2  bruising, severe tingling, numbness, pain, muscle weakness;  easy bruising or bleeding;
Laser light is monochromatic and coherent and the beam does not diverge significantly. White light is a mixture of all the colours and is not coherent.I don't know what you mean by 'stronger'. The energy density of a laser beam is greater than the energy density of a white light beam.Retsum Â· 7 years ago.hite light is a mixture of all the colours and is not coherent. I don't know what you mean by 'stronger'. The energy density of a laser beam is greater than the energy density of a white light beam. Retsum Â· 7 years ago.
(a) Visible light is a form of electromagnetic radiation. (b) The frequency of radiation increases as the wavelength increases. (c) Ultraviolet light has longer wavelengths than visible light. (d) Electromagnetic radiation and sound waves travel at the same speed.