Wellcome!

 

 

Asked/Added Questions From NCERT:


Question 1. Asked on :05 October 2019:10:13:19 AM

 Write the laws of reflection of sound.

-Added by Himanshi Verma Science » Chapter 13 Sound

Answer:

priyanshu kumar

1) The direction in which the sound is incident and the reflected make equal angles.

2) The angle of incidence, angle of reflection and the normal to the reflecting surface are in the same plane.

-Answered by priyanshu kumar On 05 October 2019:03:27:30 PM


Question 2. Asked on :05 October 2019:10:03:17 AM

 Write the applications of Ultrasound.

-Added by Himanshi Verma Science » Chapter 13 Sound

Answer:

priyanshu kumar

1) Ultrasound is generally used to clean parts located in hard to reach places. For example Spiral tube, odd shaped parts electronic components etc.

2) Ultrasound can be used to detect cracks and flaws in metal blocks.

3) Ultrasound is used in the medical field to detect illness diseases.

4)  Ultrasound is used in a device named SONAR which is used to measure the depth of ocean in the ships.

5) Ultrasound are used extensively in industries and for medical purpose.

6) Ultrasound are highly frequency waves.

-Answered by priyanshu kumar On 05 October 2019:03:33:18 PM


Question 3. Asked on :26 April 2019:08:07:54 AM

 what part in humans produces sound

-Added by Hitesh kumar English » Chapter 13 Sound

Answer:

Gunnaj sheikh

 It is voice box in humans That produces sound.

-Answered by Gunnaj sheikh On 27 April 2019:07:21:33 PM


Question 4. Asked on :26 April 2019:08:05:34 AM

 how is frequency of oscillation expressed

-Added by Hitesh kumar English » Chapter 13 Sound

Answer:

priyanshu kumar

 The frequency of oscillation is expressed in terms of hertz its symbol is hz. A frequency of one hz is one oscillation per second.

-Answered by priyanshu kumar On 26 April 2019:08:16:45 AM


Question 5. Asked on :26 April 2019:08:03:19 AM

 Do you hear any sound

-Added by Hitesh kumar English » Chapter 13 Sound

Answer:

Sohail alam

I cannot hear any sound on the computer


 If you cannot hear any sounds on your computer, for example when you try to play ... that you have not muted the application that you are using to play sound

-Answered by Sohail alam On 26 April 2019:08:15:47 AM


Question 6. Asked on :26 April 2019:07:59:16 AM

do you feel the vibrations 

-Added by Hitesh kumar English » Chapter 13 Sound

Answer:

priyanshu kumar

 Yes I feel don't hear the sound.

-Answered by priyanshu kumar On 26 April 2019:08:43:30 AM


 

You can see here all the solutions of this question by various user for NCERT Solutions. We hope this try will help you in your study and performance.

This Solution may be usefull for your practice and CBSE Exams or All label exams of secondory examination. These solutions or answers are user based solution which may be or not may be by expert but you have to use this at your own understanding of your syllabus.

 

 

What do you have in your Mind....

Ask Your Question? From your text book.

Our Expert Team reply with answer soon.

 

Ask Your Question

 

* Now You can earn points on every asked question and Answer by you. This points make you a valuable user on this forum. This facility is only available for registered user and educators.

Next moment you answer is ready .... go ahead ...

 

 

 

Search your Question Or Keywords

 

 

Do you have a question to ask?

 

Ask Your Question

User Earned Point: Select

 

 

 

All Tags by Subjects:

 

Science (1765)
History (182)
Geography (196)
Economics (122)
Political Science (51)
Mathematics (181)
General Knowledge (5125)
Biology (89)
Physical Education (12)
Chemistry (26)
Civics (18)
Home Science (10)
Sociology (8)
Hindi (8)
English (169)
Physics (24)
Other (39)
Accountancy (11)
Business Study (25)
Computer Science (6)

 

 

Sponsers link