logo
Optics_book

Increase your vocabulary

Exercise 1. Match the synonyms.

1

2

  1. spectacles

  1. processing

  1. sight

  1. eyeglasses

  1. speed

  1. view

  1. technology

  1. velocity

  1. to start

  1. to discover

  1. to enlarge

  1. to improve

  1. to find

  1. to begin

  1. to update

  1. to magnify

  1. to invent

  1. to polarize

  1. to replace

  1. to design

  1. to store

Exercise 2. Compare two columns and find Russian equivalents to words or word-combinations.

1

2

1) adjacent pinholes

  1. роговая оболочка

2) particle

  1. линза из изумруда

3) cornea

  1. окуляр

4) corpuscular nature of light

  1. постоянный

5) bifocal

  1. оптические технологии

6) emerald lens

  1. корпускулярная природа света

7) eyepiece

  1. система коррекции

8) immutable

  1. сетчатка

9) optical processing

  1. зрачок

10) pupil

  1. сосуд

11) refractor

  1. увеличение

12) retrieval systems

  1. очки

13) retina

  1. частота

14) spectacles

  1. зрительное восприятие

15) vessel

  1. рефрактор

16) magnification

  1. частица

17) frequency

  1. бифокальные очки

18) vision

  1. точечные источники света, расположенные друг против друга

  1. свойство

  1. фотоаппарат

  1. микроскоп

LANGUAGE ACTIVITY

Exercise 1. Form plurals of the following nouns and translate them into Russian.

a) ray, device, history, lens, star, paper, sound, source, datum, chief, glass, spectrum, radius, formula;

b) freshman, man-servant, text-book, eyeglass, cross-section, pinhole, headphone, keyboard, paperboard, twin-engine, statesman, eyepiece.

Exercise 2. Insert articles where necessary.

  1. … Sir Isaac Newton, a great scientist and thinker, is known by… invention of … reflecting telescope.

  2. … people not only wanted to admire distant stars through telescopes, but to make closer some minor things.

  3. … story about Archimedes is … legend written centuries later.

  4. Some think that eyeglasses were invented by … Chinese.

  5. … first great improvement of … microscope was due to Robert Hooke.

  6. The construction of … first laser in … 1960 led to … revolutionary advances in optics in … 20th century.

Exercise 3. Insert prepositions of time where necessary.

  1. … 1801 Thomas Young discovered the interference of light from adjacent pinholes.

  2. … the 20th century the revolutionary advances in optics began with the construction of the first laser … 1960.

  3. I’m busy … the moment (now).

  4. It sometimes snows … Christmas.

  5. I often work … night.

  6. The movie was to start … nine … the morning.

  7. I was there … last night.

  8. It happened … Sunday.