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<ul>
<li>The speed of light in air is 3×108m/s.</li>
<li>The speed of light is more in a vacuum than in a medium.</li>
<li>The speed of light decrease as the density of the medium increase</li>
</ul>

3 x 108  m/s is the __________ of light.

Solution for the question - 3 x 108 m/s is the __________ of light. energyspeedforcemass

3 x 108 m/s is the __________ of light.-Turito

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<ul>
<li>Candles, bulbs, and torches are sources of artificial light.</li>
<li>Sun is the source of natural light.</li>
<li>They emits light when they glow</li>
</ul>

Solution for the question - candle is ______ source light. naturalsupernaturalartificialnone

Candle is ______ source light.-Turito

<ul>
<li>Candles, the sun, and bulbs are the sources of light that emit light when they glow.</li>
<li>The energy can also be produced in the form of heat in these sources.</li>
</ul>

Solution for the question - source of light emits ____ magnetismelectricitylightsound

Source of light emits ____ -Turito

<ul>
<li>Objects/particles which emit light of their own are called luminous objects. (Ex-Sun)</li>
<li>Non-luminous particles do not produce their own light, although they can still reflect light from another source, ex- moon.</li>
</ul>

All particles which emit light are called _______

Solution for the question - all particles which emit light are called _______ blackobservenon luminousluminous

All particles which emit light are called _______-Turito

<ul>
<li>The sun is a natural source of light.</li>
</ul>
<ul>
<li>Artificial sources of light are: Electric bulbs, torches, oil lamps, fluorescent tubes, candles, etc </li>
</ul>

Solution for the question - sun is the __________ source of light. nonenaturalsupernaturalartificial

Sun is the __________ source of light. -Turito

<ul>
<li>Light can cause reflection.</li>
<li>It can cause reflection and refraction.</li>
<li>The refraction is bending of light</li>
</ul>

Solution for the question - light causes ________ shiveringreflectionpainacne

Light causes ________-Turito

<ul>
<li>A vacuum is a space devoid of matter.</li>
<li>And the matter is made up of small particles.</li>
<li>The particles can be solids, liquids, and gas</li>
</ul>

Solution for the question - absence of _______ is called vacuum. areavolumespaceparticles

Absence of _______ is called vacuum.-Turito

<ul>
<li>Light can travel through empty spaces, vacuum, air, and water.</li>
<li>It does not need any matter to travel.</li>
</ul>

Solution for the question - light can travel through ______ all of the abovewaterairvacuum

Light can travel through ______-Turito

<ul>
<li>The packets of light energy are called photons.</li>
<li>This means the energy particles in light are the photon.</li>
</ul>

The energy particles in the light are called ________

Solution for the question - the energy particles in the light are called ________ electronvolumephotonproton

The energy particles in the light are called ________-Turito

<ul>
<li>Light is a form of energy.</li>
<li>It travels faster in a vacuum than in a dense medium.</li>
<li>The speed of light decreases the density of the medium increase.</li>
</ul>

Solution for the question - light is the form of ___________. pressureforceenergypower

Light is the form of ___________.-Turito

<ul>
<li>Sound is a mechanical wave that oscillates as vibration.</li>
<li>The amplitude of a vibrating body continuously decreases during damped vibrations because of energy loss.</li>
</ul>

In damped vibration, there is a decrease in _____.

Solution for the question - in damped vibration, there is a decrease in _____. speedfrequencyamplitudewavelength

In damped vibration, there is a decrease in _____. -Turito

<ul>
<li>Decibels are denoted by Db.</li>
<li>The dB is a logarithmic way of describing a ratio of sound waves</li>
<li>SI Unit of the Sound is Decibels.</li>
</ul>

Solution for the question - decibels are denoted by _______. db

Decibels are denoted by _______. -Turito

<ul>
<li>The speed of sound will be more in solids and less in liquids.</li>
<li>The speed of sound in the air is 330m/s</li>
</ul>

Solution for the question - the speed of sound in the air is ____. 155312603302000

The speed of sound in the air is ____.-Turito

<ul>
<li>As, the frequencies of infrasound is less.</li>
<li>The wavelength will be more.</li>
<li>f=v/λ (frequency and wavelength are inversely proportional).</li>
<li>So, the correct option is b.</li>
</ul>

The wavelength of infrasound is _________.

Solution for the question - the wavelength of infrasound is _________. nonerandommoreless

The wavelength of infrasound is _________.-Turito

<ul>
<li>The particles in gases are loosely packed.</li>
<li>In solids it is closely packed.</li>
<li>In liquids it is moderately packed.</li>
<li>So, the correct option is b.</li>
</ul>

The particles in the liquid are __________ packed.

Solution for the question - the particles in the liquid are __________ packed. nonelooselymoderatelyclosely

The particles in the liquid are __________ packed.-Turito

<ul>
<li>Sound travels fastest in solids, slowly in liquids, and slowest in gases.</li>
<li>The speed of sound will be more in solids as they are strong waves that require a strong medium</li>
</ul>

Solution for the question - sound travels faster in ___________. nonegasesliquidssolids

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3 x 108 m/s is the __________ of light.

EnergyMassForceSpeed

The speed of light in air is 3×108m/s.

The correct answer is: Speed

The speed of light in air is 3×108m/s. The speed of light is more in a vacuum than in a medium. The speed of light decrease as the density of the medium increase

Related Questions to study

Candle is ______ source light.

Candle is ______ source light.

Source of light emits ____

Source of light emits ____

All particles which emit light are called _______

All particles which emit light are called _______

Sun is the __________ source of light.

Sun is the __________ source of light.

Light causes ________

Light causes ________

Absence of _______ is called vacuum.

Absence of _______ is called vacuum.

Light can travel through ______

Light can travel through ______

The energy particles in the light are called ________

The energy particles in the light are called ________

light is the form of ___________.

light is the form of ___________.

In damped vibration, there is a decrease in _____.

In damped vibration, there is a decrease in _____.

Decibels are denoted by _______.

Decibels are denoted by _______.

The speed of sound in the air is ____.

The speed of sound in the air is ____.

The wavelength of infrasound is _________.

The wavelength of infrasound is _________.

The particles in the liquid are __________ packed.

The particles in the liquid are __________ packed.

Sound travels faster in ___________.

Sound travels faster in ___________.

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3 x 10⁸ m/s is the __________ of light.

Energy
Mass
Force
Speed

The speed of light in air is 3×10⁸m/s.

The speed of light is more in a vacuum than in a medium.

The speed of light decrease as the density of the medium increase