Anti-intellectualism in American LifeKnopf, 1970 - 434 pages |
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Résultats 1-3 sur 77
Page 206
... distance from the ground glass or photographic film are chosen so that the desired object is imaged on the plate ... distance from object to lens a , the image distance b , and the focal length of the lens ƒ are related by the relation 1 ...
... distance from the ground glass or photographic film are chosen so that the desired object is imaged on the plate ... distance from object to lens a , the image distance b , and the focal length of the lens ƒ are related by the relation 1 ...
Page 267
... distance from us . When the surveyor needs to determine a distance which cannot be measured directly he depends upon a trigonometric principle known as triangulation . He observes the inaccessible spot from two positions whose ...
... distance from us . When the surveyor needs to determine a distance which cannot be measured directly he depends upon a trigonometric principle known as triangulation . He observes the inaccessible spot from two positions whose ...
Page
... distance from the lens to the screen and the distance from the lens to the object . Shift the object position a few centimeters along the optical bench . Also shift the screen to again achieve the same screen to object distance ...
... distance from the lens to the screen and the distance from the lens to the object . Shift the object position a few centimeters along the optical bench . Also shift the screen to again achieve the same screen to object distance ...
Table des matières
Conception of the Universe | 2 |
Systems of Measuring Units and Some Basic Physical | 11 |
Energy and Related Concepts | 20 |
Droits d'auteur | |
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Expressions et termes fréquents
acceleration alpha particle altitude amount angle applied atmosphere atomic number axis beam beta particle body called charged particles chemical circuit coil color container cosmic rays curve direct current direction discussed distance Doppler effect earth effect electrical electromagnetic radiation electron volts electrons electrostatic emitted equator example fluorescent force frequency glass gravity greater heat hertz Huygen's principle hydrogen incandescent increase infrared intensity ionization joules kinetic energy lamp length lens light lines liquid magnetic field mass material measured mechanical meter miles mirror molecules motion move muscle neutrons normal nuclear nucleus object observe optical orbit path phenomena physical polarized poles positive pressure waves protons radio radioactive reflection result rotation shown in Fig signal sound space spectrum speed stars surface temperature thermal tube ultraviolet unit vapor velocity vibrating visible voltage volts wavelengths weight wire X-rays