science
Grade6
Easy
Question
Light causes ________
- Acne
- Pain
- Reflection
- Shivering
Hint:
The Light rays reflect from a surface
The correct answer is: Reflection
- Light can cause reflection.
- It can cause reflection and refraction.
- The refraction is bending of light
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Absence of _______ is called vacuum.
Absence of _______ is called vacuum.
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Light can travel through ______
Light can travel through ______
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The energy particles in the light are called ________
The energy particles in the light are called ________
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light is the form of ___________.
light is the form of ___________.
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In damped vibration, there is a decrease in _____.
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Decibels are denoted by _______.
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The wavelength of infrasound is _________.
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The particles in the liquid are __________ packed.
The particles in the liquid are __________ packed.
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Sound travels faster in ___________.
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Sounds of 15 Hz frequency are called _______.
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If a steel plate is vibrated, it will produce_______.
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20 Hz to 20000 Hz is called _______.
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If particles are loosely packed, then the sound propagates ______.
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If particles are closely packed, then the sound propagates ______.
If particles are closely packed, then the sound propagates ______.
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