Physics
Grade-8
Easy
Question
1.65 kHz = ____ Hz.
Hint:
1.65 kHz= 1650 Hz.
The correct answer is: 1650
- A kilohertz is a unit that equals thousand hertz.
- 1 kilohertz is equal to 1000 hertz.
- 1.65 kHz is equal to 1650 Hz ( 1.65 x 1000).
Related Questions to study
Physics
In which of the following mediums does the sound propagate at the lowest speed?
In which of the following mediums does the sound propagate at the lowest speed?
PhysicsGrade-8
Physics
At a particular temperature, the speed of sound in a medium was found to be 450 m/s. The speed of sound in that medium will be _____ if the temperature of the medium is decreased?
At a particular temperature, the speed of sound in a medium was found to be 450 m/s. The speed of sound in that medium will be _____ if the temperature of the medium is decreased?
PhysicsGrade-8
Physics
Which of the following sound waves shown would move faster in the air medium?
Which of the following sound waves shown would move faster in the air medium?
PhysicsGrade-8
Physics
Sonic boom is a phenomenon caused by the sound emitting objects moving at _____.
Sonic boom is a phenomenon caused by the sound emitting objects moving at _____.
PhysicsGrade-8
Physics
The distance covered by a rarefaction of a sound wave per unit time is _____.
The distance covered by a rarefaction of a sound wave per unit time is _____.
PhysicsGrade-8
Physics
When a sound producing object moves at a speed greater than that of sound in a medium, it produces _____.
When a sound producing object moves at a speed greater than that of sound in a medium, it produces _____.
PhysicsGrade-8
Physics
An object is said to be moving at a supersonic speed when its speed is ____ the speed of sound in a medium.
An object is said to be moving at a supersonic speed when its speed is ____ the speed of sound in a medium.
PhysicsGrade-8
Physics
Which of the following does the speed of sound in a medium not depend on?
Which of the following does the speed of sound in a medium not depend on?
PhysicsGrade-8
Physics
As the temperature of a medium increases, the speed of sound in it ___.
As the temperature of a medium increases, the speed of sound in it ___.
PhysicsGrade-8
Physics
Speed of light ____ speed of sound.
Speed of light ____ speed of sound.
PhysicsGrade-8
Physics
1 kHz = ____Hz.
1 kHz = ____Hz.
PhysicsGrade-8
Physics
The SI unit of speed of sound is ____.
The SI unit of speed of sound is ____.
PhysicsGrade-8
Physics
The audible frequency range of an average human ear is ____.
- Sound which has frequency less than 20Hz is called infrasound.
- Sound which has frequency more than 20KHz is called Ultrasound.
The audible frequency range of an average human ear is ____.
PhysicsGrade-8
- Sound which has frequency less than 20Hz is called infrasound.
- Sound which has frequency more than 20KHz is called Ultrasound.
Physics
The formula for calculating the speed of a sound wave is v = ____.
The formula for calculating the speed of a sound wave is v = ____.
PhysicsGrade-8
Physics
The distance covered by a sound wave in a unit time is called ____.
The distance covered by a sound wave in a unit time is called ____.
PhysicsGrade-8
