(4) རིམ་བརྒལ་རླབས་ཐུང་། 1M-10Mདང་ཟློས་ཕྱོད། 30MHz-300MHz
(iv) The Velocity of light is 3 x 105 km/second
Light, Action, Illumination: These three words can be used to describe the general topics in the given texts