science
Grade6
Easy
Question
light is the form of ___________.
- Power
- Energy
- Force
- Pressure
Hint:
Light is a form of energy.
The correct answer is: Energy
- Light is a form of energy.
- It travels faster in a vacuum than in a dense medium.
- The speed of light decreases the density of the medium increase.
Related Questions to study
science
In damped vibration, there is a decrease in _____.
- Wavelength
- Amplitude
- Frequency
- Speed
In damped vibration, there is a decrease in _____.
scienceGrade6
- Wavelength
- Amplitude
- Frequency
- Speed
science
Decibels are denoted by _______.
- λ
- П
- Α
- Db
Decibels are denoted by _______.
scienceGrade6
- λ
- П
- Α
- Db
science
The speed of sound in the air is ____.
- 2000
- 330
- 1260
- 1553
The speed of sound in the air is ____.
scienceGrade6
- 2000
- 330
- 1260
- 1553
science
The wavelength of infrasound is _________.
- Less
- More
- Random
- None
The wavelength of infrasound is _________.
scienceGrade6
- Less
- More
- Random
- None
science
The particles in the liquid are __________ packed.
- Closely
- Moderately
- Loosely
- None
The particles in the liquid are __________ packed.
scienceGrade6
- Closely
- Moderately
- Loosely
- None
science
Sound travels faster in ___________.
- Solids
- Liquids
- Gases
- None
Sound travels faster in ___________.
scienceGrade6
- Solids
- Liquids
- Gases
- None
science
Sounds of 15 Hz frequency are called _______.
- Ultrasound
- Infrasound
- Audible sound
- None
Sounds of 15 Hz frequency are called _______.
scienceGrade6
- Ultrasound
- Infrasound
- Audible sound
- None
science
If a steel plate is vibrated, it will produce_______.
- Force
- Pressure
- Gravity
- Sound
If a steel plate is vibrated, it will produce_______.
scienceGrade6
- Force
- Pressure
- Gravity
- Sound
science
20 Hz to 20000 Hz is called _______.
- Ultrasound
- Infrasound
- Audible sound
- None
20 Hz to 20000 Hz is called _______.
scienceGrade6
- Ultrasound
- Infrasound
- Audible sound
- None
science
If particles are loosely packed, then the sound propagates ______.
- Slow
- Fast
- Moderate
- None
If particles are loosely packed, then the sound propagates ______.
scienceGrade6
- Slow
- Fast
- Moderate
- None
science
If particles are closely packed, then the sound propagates ______.
- Slow
- Fast
- Moderate
- None
If particles are closely packed, then the sound propagates ______.
scienceGrade6
- Slow
- Fast
- Moderate
- None
science
Speed of sound in air is _______.
- 100
- 1000
- 150
- 330
Speed of sound in air is _______.
scienceGrade6
- 100
- 1000
- 150
- 330
science
If the frequency increases, the wavelength _________.
- Increases
- Decrease
- Constant
- All of the above
If the frequency increases, the wavelength _________.
scienceGrade6
- Increases
- Decrease
- Constant
- All of the above
science
Vibrations ____________ after sometime.
- Increases
- Decrease
- Constant
- All of the above
Vibrations ____________ after sometime.
scienceGrade6
- Increases
- Decrease
- Constant
- All of the above
science
Audible sound range is 0 Hz to 10 Hz.
- True
- False
Audible sound range is 0 Hz to 10 Hz.
scienceGrade6
- True
- False