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Consider the following statements :
1. Seismic P-waves are transverse in nature, while Seismic S-waves are longitudinal in nature.
2. Sound is a mechanical wave, while the light is a non-mechanical wave.
Which of the statements given above is/are correct ?
- a)1 only
- b)2 only
- c)Both 1 and 2
- d)Neither 1 nor 2
Correct answer is option 'B'. Can you explain this answer?
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Most Upvoted Answer
Consider the following statements :1. Seismic P-waves are transverse i...
P-waves vibrate parallel to the direction of the wave. This exerts pressure on the material in the direction of the propagation. As a result, it creates density differences in the material leading to stretching and squeezing of the material. The direction of vibrations of S-waves is perpendicular to the wave direction in the vertical plane Secondary waves (S-waves) are transverse and shear waves in nature, while the Primary waves (P-waves) are longitudinal and compressional waves by nature. So, Statement 1 is not correct.
Mechanical Waves are waves which propagate through a material medium (solid, liquid, or gas) at a wave speed which depends on the elastic and inertial properties of that medium. The most familiar type of waves such as waves on a string, water waves, sound waves, seismic waves, etc. is the so-called mechanical waves. These waves require a medium for propagation, they cannot propagate through vacuum. They involve oscillations of constituent particles and depend on the elastic properties of the medium. Not all waves require a medium for their propagation, For example, light waves can travel through vacuum. The light emitted by stars, which are hundreds of light years away, reaches us through inter-stellar space, which is practically a vacuum. Thus Light waves are Non-Mechanical waves. Electromagnetic waves do not necessarily require a medium - they can travel through vacuum. Light, radio waves, X-rays, are all electromagnetic waves. In vacuum, all electromagnetic waves have the same speed.
So, Statement 2 is correct.
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Consider the following statements :1. Seismic P-waves are transverse in nature, while Seismic S-waves are longitudinal in nature.2. Sound is a mechanical wave, while the light is a non-mechanical wave.Which of the statements given above is/are correct ?a)1 onlyb)2 onlyc)Both 1 and 2d)Neither 1 nor 2Correct answer is option 'B'. Can you explain this answer?
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Consider the following statements :1. Seismic P-waves are transverse in nature, while Seismic S-waves are longitudinal in nature.2. Sound is a mechanical wave, while the light is a non-mechanical wave.Which of the statements given above is/are correct ?a)1 onlyb)2 onlyc)Both 1 and 2d)Neither 1 nor 2Correct answer is option 'B'. Can you explain this answer? for UPSC 2024 is part of UPSC preparation. The Question and answers have been prepared according to the UPSC exam syllabus. Information about Consider the following statements :1. Seismic P-waves are transverse in nature, while Seismic S-waves are longitudinal in nature.2. Sound is a mechanical wave, while the light is a non-mechanical wave.Which of the statements given above is/are correct ?a)1 onlyb)2 onlyc)Both 1 and 2d)Neither 1 nor 2Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for UPSC 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Consider the following statements :1. Seismic P-waves are transverse in nature, while Seismic S-waves are longitudinal in nature.2. Sound is a mechanical wave, while the light is a non-mechanical wave.Which of the statements given above is/are correct ?a)1 onlyb)2 onlyc)Both 1 and 2d)Neither 1 nor 2Correct answer is option 'B'. Can you explain this answer?.
Consider the following statements :1. Seismic P-waves are transverse in nature, while Seismic S-waves are longitudinal in nature.2. Sound is a mechanical wave, while the light is a non-mechanical wave.Which of the statements given above is/are correct ?a)1 onlyb)2 onlyc)Both 1 and 2d)Neither 1 nor 2Correct answer is option 'B'. Can you explain this answer? for UPSC 2024 is part of UPSC preparation. The Question and answers have been prepared according to the UPSC exam syllabus. Information about Consider the following statements :1. Seismic P-waves are transverse in nature, while Seismic S-waves are longitudinal in nature.2. Sound is a mechanical wave, while the light is a non-mechanical wave.Which of the statements given above is/are correct ?a)1 onlyb)2 onlyc)Both 1 and 2d)Neither 1 nor 2Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for UPSC 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Consider the following statements :1. Seismic P-waves are transverse in nature, while Seismic S-waves are longitudinal in nature.2. Sound is a mechanical wave, while the light is a non-mechanical wave.Which of the statements given above is/are correct ?a)1 onlyb)2 onlyc)Both 1 and 2d)Neither 1 nor 2Correct answer is option 'B'. Can you explain this answer?.
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