MCQ:Sound and Its Reflection:Multiple Choice Questions

By -

      Chapter Sound and Reflection of sound
       Objective:  Multiple choice Questions
1. A sound wave travels from east to west, in which direction do the particles of air move?
(A) East – west                           (B) North - south
(C) Up and down                         (D) None of these

2. In which medium sound travels faster ?
(A) Solid                                   (B) Liquid
(C) Gas                                      (D) None of these

3. What is the name of short duration wave?
(A) Pulse                                    (B) Frequency
(C) Time period                           (D) Velocity

4. What is the velocity of sound in water at room temperature?
(A) 1500 m/s                              (B) 340 m/s
(C) 1500 km/s                             (D) 330 km/s

5. The unit of quantity on which pitch of the sound depends is :
(A) Hertz                                    (B) metre
(C) metre/second                        (D) second

6. The unit of quantity on which loudness of found depends is :
(A) metre                                   (B) Hertz
(C) metre/second                        (D) Decibel

7. Nature of sound wave is :
(A) transverse                             (B) longitudinal
(C) electromagnetic                    (D) seismic

8. Pitch of high frequency sound is :
(A) high                                     (B) low
(C) zero                                     (D) infinite

9. Voice of a friend is recognized by its :
(A) Pitch                                     (B) quality
(C) Intensity                               (D) velocity

10. S I unit of Intensity of Sound waves is :
(A) watt/m^2                                  (B) j/s
(C) w/m                                          (D) kwh

Ans: . 1-A                  2-A                     3-A  
           4-A                 5-A           6-A      7-B  
           8-A                 9-B         10-A
Objective:  Fill in the blanks
1. Pitch is the sensation  of the ---------- of an emitted sound.

2. A high pitch sound is called a ------ sound

3. A low pitch sound is called a -----------  sound.

4. Loudness of sound wave is ditectly proportional to -------- amplitude

5. The sound energy transferred per unit area per unit time is called -------- of sound.

6. When a body moves with a speed which is greater than the speed of sound in air, it is said to be traveling at --------------

7. When wound waves traveling in air enter into the medium of water, ------- remains unchanged

8. Sound travels faster as the  ------------ of the medium increases by 0.61 m/s with every 1 deg C
  
9. -----is an apparatus which is used to find the depth of a sea or to locate the under water things.

10. A sound wave of single frequency is called ---------

Ans:
1. Frequency 
6. supersonic speed
2. shrill
7. Frequency
3. hoarse
8. temperature
4. Square
9. Sonar
5. intensity
10.Tone

Comments

Post a Comment

Ask me anything here...

Popular posts from this blog

Gove confirms mandatory housebuilding targets for councils will be abolished in face of Tory rebellion – UK politics live

By Anonymous -
Levelling up secretary confirms government will change levelling up bill after number of Tory MPs tabled rebel amendment Starmer is now taking questions. Q: [Beth Rigby from Sky] When people are struggling with the cost of living, you are talking about constitutional issues. This might look to people as if you are out of touch. Are you talking to Westminster about stuff that won’t happen. What in this will improve people’s lives from day one of a Labour government? When you come to the next election, it may be that the Scottish National party will have a one-line manifesto and want a one-issue general election. But we have done a huge amount of research on Scottish public opinion and people want a better health service immediately, people want living standards improved immediately, people want jobs for young people immediately, people want better housing immediately and people of course want change in the way that we are suggesting immediately. People up and down this country are cryin...
Read more

Kotak Mahindra Bank Recruitment 2022 Released for Graduate Candidates And Apply Online

By Anonymous -
Image
Kotak Mahindra Bank Recruitment 2022 Released for Graduate Candidates And Apply Online Kotak Mahindra Bank Recruitment 2022 Released for Fresher & Graduate Candidates. The Kotak Mahindra Bank has released latest notification for the post of Asst Acquisition Manager on the Official Website. Any Interested candidates can apply to Kotak Mahindra bank for the post of Asst Acquisition Manager. Kotak Mahindra Bank Recruitment 2022 Kotak Mahindra Bank Recruitment Details 2022 Organisation - Kotak Mahindra Bank Post Name - Asst Acquisition Manager Apply Starting Date - 16.05.2022 Last Date to Apply - 30.06.2022 Mode of Apply - Only Online Status - Job Notification Released Job Role For Kotak Mahindra Bank Recruitment 2022: Acquisition of a new client (NTB) through external personal efforts for the bank's current account, savings account products. Getting customers from individuals, small businesses, trusts, associations, societies, corporates. Revenue generation, customer acquisition, ...
Read more