Question 1
Which of the following physical phenomena is primarily responsible for the separation of white light into its constituent colors when passing through a glass prism?
Correct Answer:
Dispersion
Question 2
Which optical phenomenon explains the formation of a mirage in hot deserts?
Correct Answer:
Total internal reflection
Question 3
What is the primary characteristic of LASER light that distinguishes it from ordinary light?
Correct Answer:
It is highly coherent and monochromatic.
Question 4
At what decibel (dB) level does sound generally become painful to the human ear?
Correct Answer:
120 dB
Question 5
What is the minimum distance required between the source of a sound and a reflecting surface to hear a distinct echo under standard atmospheric conditions?
Correct Answer:
17.2 meters
Question 1
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Prepare with the BCS Written General Science & Tech Practice Questions - BCS Written Compulsory General Science & Technology Exam practice quiz. This question bank includes 100 questions covering primary, responsible, layer, physical, and light. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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BCS Written General Science & Tech Practice Questions - BCS Written Compulsory General Science & Technology Exam

This practice set contains 100 questions from the matching question bank and focuses on primary, responsible, layer, physical, and light. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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