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UPSC Exam  >  UPSC Tests  >  Science & Technology for UPSC CSE  >  Test: Sound - 2 - UPSC MCQ

Test: Sound - 2 - UPSC MCQ


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10 Questions MCQ Test Science & Technology for UPSC CSE - Test: Sound - 2

Test: Sound - 2 for UPSC 2024 is part of Science & Technology for UPSC CSE preparation. The Test: Sound - 2 questions and answers have been prepared according to the UPSC exam syllabus.The Test: Sound - 2 MCQs are made for UPSC 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Sound - 2 below.
Solutions of Test: Sound - 2 questions in English are available as part of our Science & Technology for UPSC CSE for UPSC & Test: Sound - 2 solutions in Hindi for Science & Technology for UPSC CSE course. Download more important topics, notes, lectures and mock test series for UPSC Exam by signing up for free. Attempt Test: Sound - 2 | 10 questions in 10 minutes | Mock test for UPSC preparation | Free important questions MCQ to study Science & Technology for UPSC CSE for UPSC Exam | Download free PDF with solutions
Test: Sound - 2 - Question 1
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What effect does a larger amplitude of vibration have on sound?

Detailed Solution for Test: Sound - 2 - Question 1
A larger amplitude of vibration results in a louder sound because it indicates that the sound wave carries more energy.
Test: Sound - 2 - Question 2
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The eardrum senses the __________ of sound and sends signals to the brain.

Detailed Solution for Test: Sound - 2 - Question 2
The eardrum senses the vibrations of sound and converts them into neural signals, which are then interpreted by the brain as sound.
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Test: Sound - 2 - Question 3
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Sound is produced by __________ objects.

Detailed Solution for Test: Sound - 2 - Question 3
Sound is produced by objects that vibrate. These vibrations create sound waves that travel through a medium to reach our ears.
Test: Sound - 2 - Question 4
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The SI unit of frequency is _____________.
Detailed Solution for Test: Sound - 2 - Question 4

The SI unit of frequency is

Test: Sound - 2 - Question 5
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Ultrasound equipment for investigating and tracking medical problems, works at frequency
Detailed Solution for Test: Sound - 2 - Question 5

Ultrasound equipment is used for investigating and tracking medical problems. The sound of frequency greater than 20000 Hz is called ultrasound.

Test: Sound - 2 - Question 6
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How many oscillations per second does an object make if it has a frequency of 20 Hz?
Detailed Solution for Test: Sound - 2 - Question 6
An object with a frequency of 20 Hz oscillates 20 times per second, as frequency (Hz) represents the number of oscillations per second.
Test: Sound - 2 - Question 7
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What is the term used to describe unpleasant sounds?
Detailed Solution for Test: Sound - 2 - Question 7
Unpleasant sounds are referred to as noise. Noise can be disruptive and is often considered unwanted sound.
Test: Sound - 2 - Question 8
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What should be installed in industrial machines to limit noise pollution?
Detailed Solution for Test: Sound - 2 - Question 8
Silencing devices should be installed in industrial machines, as well as aircraft engines and transport vehicles, to control the sources of noise and reduce noise pollution effectively.
Test: Sound - 2 - Question 9
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What health problems can noise pollution cause for humans?
Detailed Solution for Test: Sound - 2 - Question 9

3. All of these

Explanation:

Noise pollution can cause multiple health problems for humans, including:

  • Enhanced irritation: Prolonged exposure to noise can make people more irritable and affect their emotional well-being.
  • Stress and hearing loss: Constant loud noise can lead to stress and potentially cause permanent hearing damage over time.
  • Irregular sleep: Noise can disturb sleep patterns, leading to irregular sleep and related health issues like fatigue and reduced concentration.

Thus, all the options listed are potential health problems caused by noise pollution.

Test: Sound - 2 - Question 10
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The number of oscillations or vibrations per second is called the __________ of oscillation.
Detailed Solution for Test: Sound - 2 - Question 10
The number of oscillations or vibrations per second is referred to as the frequency of oscillation. It determines how often the particles of the medium vibrate when a sound wave passes through.
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Sound - 2 MCQs with Answers

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