# AIPMT-NEET Physics MCQ Wave and Sound Sample Papers-ezyexamsolution

NEET Gravitation, Solved Physics Sample Paper with Solution Problems AIPMT Wave and Sound, Electrostatics, Capacitors, Current and Electricity, EMI AC Electromagnetic Waves, The Reflection of Light, The Refraction of Light,

# WAVES SOUND

A wave is a disturbance from a normal or equilibrium condition that propagates without the transport of matter. A wave transports both energy and momentum. The disturbance created by a wave is represented by a wave function y(x, f). For a string the wave function is a vector quantity displacement, where as for sound waves it is a scalar quantity pressure or density variation. In the case of electromagnetic wave it is an electric or magnetic field vector.

(1) Necessary properties of the medium for wave propagation (2) Characteristics of wave motion (3) Mechanical waves (4) Non-mechanical waves (5) Transverse waves (6) Longitudinal waves (7) One dimensional wave (8) Two dimensional wave (9) Three dimensional wave

# AIPMT / NEET Physics Waves and Sound MCQ Practice Sample Papers / Problems free Pdf Download with Solution 2017 – 2018

Subtopic : (a)  Transverse and longitudinal waves (b) Displacement relation in a progressive wave (c) The speed of a travelling wave (d) The principle of superposition of waves (e) Reflection of waves (f) Beats (g) Doppler effect Summary

## 01.   NEET Physics Waves and Sound MCQ Pattern Sample Papers / Problems | Download pdf |

### 02.  AIPMT Physics Waves and Sound MCQ Pattern Sample Papers / Problems | Download pdf |

Hints and Solution for Wave and Sound Question Paper | Download pdf |

## 03.  Physics NEET AIPMT Wave and Sound MCQ Pattern Mock / Model Test Paper | Download pdf |

### Equation of progressive wave

If the source of the wave is a simple harmonic oscillator, it produces a harmonic wave train or simply, a plane progressive wave. When such a wave passes through a given region, the particles of the medium execute simple harmonic motion.

### Superposition of waves

The superposition principle tells us that when two or more waves move in the same linear medium, the net displacement of the medium (the resultant wave) at any point equals the algebraic sum of the displacements caused by all the waves. Let us apply this principle to two sinusoidal waves travelling in the same direction in a medium.

STATIONARY WAVES IN STRINGS

A string of length L is stretched between two points. When the string is set into vibrations, a transverse progressive wave begins to travel along the string; it is reflected at the other fixed end. The incident and the reflected waves interfere to produce a stationary transverse wave in which the ends are always nodes, if both ends of string are fixed.

### SOUND

The energy to which the human ears are sensitive is known as sound. In general all types of waves are produced in an elastic material medium, Irrespective of whether these are heard or not are known as sound.

### SOUND AS PRESSURE WAVE

A longitudinal wave in a fluid is described either in terms of the longitudinal displacements suffered by the particles of the medium or in terms of the pressure difference generated due to the compression or rarefaction.

Consider a wave going in the x-direction in a fluid. Suppose that at a time t, the particle at the undisturbed position x suffers a displacement y in the x-direction.

BEATS

When two interacting waves have slightly, different frequencies the resultant disturbance at any point due to the superposition periodically fluctuates causing waxing and wanning in the resultant intensity. The waxing and waning in the resultant intensity of two superposed waves of slightly different frequency are known as beats.

DOPPLER EFFECT

When a sound source and an observer are in relative motion with respect to the medium in which the waves propagate, the frequency of waves observed is different from the frequency of sound emitted by the source. This phenomenon is called Doppler effect. This is due to the wave nature of sound propagation and is therefore applicable to light waves also. The apparent change of colour of a star can be explained by this principle.

### Important Dates of AIPMT / NEET 2018

Application form submitting Last date Starting week of March 2018

In the month Starting week of April 2018 “AIPMT application reopens for applicant more than 25 years of age”

 S.No Notice/ Events Dates 1. NEET-UG/ AIPMT Form Start First Feb 2017 2. NEET UG 2017 Fees (paytm, sbi buddy, debit, credit card, netbanking etc. First March 2017 3. Correction in Registration Form Starting week of March 2017 4. Issue of Call Letter (MBBD/ BDS) April 20 2017 5. NEET-UG 2017 Exam Date May 7 2017 6. Answer Key (All Series) May 15 2017. 7 Result Declaration June 8 2017. 8. Challenge to Answer key May 16 to May 19 2017. 9. Counselling Starts June 15 to July 30 2017

### How to Increase Our AIPMT (NEET) Entrance Exam Score.. 2018

Preparation Tips

(a) Always clear your concepts, and At least 3-4 revisions are a must before you start taking mock tests.

(c) Test yourself on individual topics. Once you feel you are doing well in a given topic, obtain a sample test for the subject.

(d) Take mock tests (of the same three and a half hour length) one month prior to the test.

(e) Evaluate how many questions you marked incorrectly. Identify problem topics and revise before proceeding to the next chapter or next section.

(f) Do not study the day before the test. What you have studied until then is enough. Do not think at all.

(g) Many candidates use coaching centers or private tutors to prepare. You may choose to do so, but before choosing one, identify your needs.

(h) Do not buy too many books. It’s better to read one book 10 times than read 10 books one time.

(i) Sample test questions will give you a feel for what the test looks like. Make sure to go through these before test day.

(j) Stop reading new fundamentals just before the exam. One month before the exam, concentrate on taking mock tests and revise what you have studied.

(k) Have a light snack before leaving for the examination center. This is a must to keep you energized during exam. Keep a water bottle with you during the exam, this will not only help with thirst, but help you to maintain a cool temperament during the examination.

(l) Reach your examination center at least 30-40 minutes in advance to avoid any last minute hassle.

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• More over NEET exam is more conceptual rather numerical. So, try to improve the knowledge related to the concepts.
• Prepare your own plan/time table so that all the topics are covered just two/three days before the final exam.
• While going through every topic list out the important formulae and conceptual points so that these can be again revised two/three days before the exam.
• While doing the assignments/tests take care about the time management.
• Completing the biology and chemistry paper within 2hrs is also very important to get more score in physics.
• Study regularly and moderately. Do not pick new topic at this point of time.
• The most difficult topics all together may be 10 % to 20 %. It doesn’t matter even if you leave this part.
• Most of the BIPC students feel physics very difficult. Even in solving simple mathematical calculations also they try to avoid. This is all mere psychological rather real.
• They lose marks in physics not because of its difficultness, but due to their psychology.
• Go through academy text book for theory questions especially topics like Physical Optics, Nuclear Physics etc.
• Give equal importance for both first and second year topics..

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Updated: October 5, 2018 — 8:06 am
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