"To be" and its functions. "To have" and its functions

10. A detailed discussion of the exact nature of all the funda­mental particles dealt with in physics is unnecessary in this book.
11. In this chapter we shall give some examples of calculations of various types frequently met with in radar.
12. Electrons play an important part in the operation of thermionic valves, including the magnetron and the klystron.
13. This property of the eye, known as "persistence of vision", is utilized in the cinema and in television.
14. The picture we see on the screen really consists of a single spot of light traveling at great speed.
15. Two reflected rays are needed to locate any image formed by a mirror.
16. Some of the video waveforms met with in radar are very different from sine waves, but it is still possible to deal with these waveforms in certain cases on the sine wave basis, by the use of Fourier's theory.
17. We shall not describe the laws of motion in detail here but they enable us to calculate the subsequent movements of objects acted upon by any set of forces.


XI. Translate the sentences with participles, state their functions:


1. Vectors are essentially geometrical quantities, being defined by a magnitude and a direction.
2. If the type of a particle being detected can be identified, then its energy can be calculated.
3. Being bombarded with slow neutrons, uranium splits approximately into halves producing radioisotopes.
4. A little more complicated example is shown in the picture, which shows a box being pulled by a man.
5. Having studied the electronic structure of electricity, we shall now discuss the quantum structure of light on the basis of the photoelectric effect.
6. The light from the object being photographed causes a permanent change in the chemical emulsion.
7. Being heated magnetized steel loses its magnetism.