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Optics_book

Increase your vocabulary

Exercise 1. Read the collocations and translate them.

Intellectual horizons, transparent solids of glass, a predictable size and location, refractive index, curved glass lenses, in semi-permanent form, far-off objects, a convex objective lens, incident light rays.

Exercise 2. Match the synonyms.

Verbs

1

2

  1. broaden

  1. watch

  1. bend

  1. alter

  1. devise

  1. widen

  1. modify

  1. achieve

  1. observe

  1. curve

  1. reach

  1. reflect

  1. pass

  1. invent

  1. go

  1. enlarge

  1. enter

  1. leave

  1. travel

Nouns

1

2

  1. aid

  1. observer

  1. device

  1. beam

  1. glasses

  1. help

  1. enlargement

  1. fall

  1. ray

  1. eyepiece

  1. viewer

  1. spectacles

  1. incidence

  1. increase

  1. mechanism

  1. pupil

  1. goggles

  1. side

  1. speed

Exercise 3. State the part of speech of the following words and determine their meaning without using a dictionary.

    1. approximate, to approximate, approximation, approximative, approximately;

    2. most deficient, deficiency;

    3. to emit, emitter, emission, emissive, emissivity;

    4. the use, to use, user, using, usage, useless, useful, usefulness.

Exercise 4.

a) Make up singular-plural pairs.

Phenomenon, spectra, index, spectrum, radius, indices, phenomena, radii.