onelinerinfo@gmail.com
Home | About Us | Contact Us
onelinerinfo@gmail.comHome | About Us | Contact Us
|
Q 1.
Full form of SONAR?
Ans.
Sound Navigation and Ranging.
|
|
Q 2.
SI unit of frequency?
Ans.
Hertz.
|
|
Q 3.
What will be the effect on speed of sound on increasing the temperature?
Ans.
Increases.
|
|
Q 4.
What will be the effect on speed of sound on increasing the pressure?
Ans.
Remains same.
|
|
Q 5.
Sound travel in the medium as?
Ans.
Successive compression and rarefactions.
|
|
Q 6.
Sound can't travel in?
Ans.
Vacuum.
|
|
Q 7.
Define Wavelengt?
Ans.
Distance between two consecutive compression or two consecutive rarefactions.
|
|
Q 8.
Define Reverberation?
Ans.
The persistent of sound in an auditorium is the result of repeated reflection of sound.
|
|
Q 9.
Which frequency is used by Bat to catch prey?
Ans.
Ultrasound.
|
|
Q 10.
What will be the speed of sound in any medium?
Ans.
Frequency × Wavelength.
|
|
Q 11.
What frequency of sound can hear by children and dogs under the age of five?
Ans.
25 KHZ.
|
|
Q 12.
What frequency is using by Rhinoceroses for communication?
Ans.
5 HZ.
|
|
Q 13.
In which medium speed of sound is maximum?
Ans.
Solid.
|
|
Q 14.
Sound will travel faster in?
Ans.
Solids.
|
|
Q 15.
Speed of sound in air at 0°C?
Ans.
331m/s.
|
|
Q 16.
Name the single sound frequency is called?
Ans.
Tone.
|
|
Q 17.
SI unit of wavelength?
Ans.
Metre.
|
|
Q 18.
SI unit of wavelength?
Ans.
Metre.
|
|
Q 19.
How the properties of sound like pitch, quality and loudness are determined?
Ans.
Through Corresponding wave property.
|
|
Q 20.
How sound produced?
Ans.
Vibration of different objects.
|