A Text-book of Physics |
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Common terms and phrases
acceleration amplitude axis Boyle's law called calorimeter carbon dioxide centimetre centre Charles's laws circle coefficient component constant convex lens curve cylinder density direction displacement distance equal equation equilibrium force acting fork frequency friction gases given glass gram gravity Hence hydrogen incident increase interval kinetic energy length lens light liquid magnitude mass means measured medium mercury mirror molecules motion moving nodal lines obtained overtones parallel particle pass pendulum period piston plane position potential energy poundal pressure produced quantity of heat radiation radius ratio reflected rays refractive index represent resultant right angles rotation scale shown in Fig solid sound-waves specific heat speed sphere square centimetre straight line string substance suppose surface surface tension T₁ temperature tone tube unit vapour velocity of sound vertical vessel vibrations volume wave-front wave-length waves weight
Popular passages
Page 580 - When a ray of light passes from one medium to another, it is refracted so that the ratio of the sine of the angle of incidence to the sine of the angle of refraction is equal to the ratio of the velocities in the two media.