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SAAT (English)

Physics: sample 10

These questions are ETEC/Qiyas's own officially published trial-exam questions, shown here with attribution. They are not sold and are not part of Smart Advanced Network for Education, Development & Achievement's original question bank.
Directions

Read the following questions. Choose the right answer.

There is only ONE correct answer to each question.

A man with nearsightedness needs to wear glasses. If his far point is 3/2 m, what lens power, in diopters, is required?

  1. -2/3
  2. -3/2
  3. -2
  4. -3
Show answer

Correct answer: A. -2/3

Why

For a nearsighted (myopic) correction, power P = 1/f = −1/(far point in m) = −1/(3/2) = −2/3 diopters.

Source: The Standardized Academic Achievement Test (SAAT) for the Science Track Trial Test (ETEC official) Open the official document

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