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<ul>
<li>Wavelength is usually denoted by the Greek letter lambda (λ)</li>
<li>It is equal to the speed (v) of a wave in a medium divided by its frequency (f).</li>
<li>λ = v/f.</li>
</ul>

Solution for the question - wavelength is denoted by __________.

Wavelength is denoted by __________.-Turito

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<ul>
<li>Sound travels much slower than the speed of light.</li>
<li>The speed of sound in air is about 330m/s.</li>
<li>Whereas, the light will travel through the vacuum at a speed of 3×108m/s.</li>
<li>So, the given statement is false.</li>
</ul>

Solution for the question - sound travels faster than light.

Sound travels faster than light.-Turito

<ul>
<li>Compression is a region where the particles are closest together.</li>
<li>Rarefaction is a region where the particles are furthest apart. </li>
<li>So, the correct option is a.</li>
<li><img src="https://mycourses.turito.com/tokenpluginfile.php/c161933dbfaab094c54655ab71e9b8f0/1/question/generalfeedback/898202/1/907947/download.png" alt="" width="358" height="141" /></li>
</ul>

In compression the particles are ___________ to each other. <div> </div>

Solution for the question - in compression the particles are ___________ to each other. abovebelowfarcloser

In compression the particles are ___________ to each other. -Turito

<ul>
<li>Sound cannot travel through a vacuum.</li>
<li>Because there is no matter for the vibrations.</li>
<li>Sound needs a material medium for its propagation like a solid, liquid, or gas to travel.</li>
</ul>

Solution for the question - sound cannot travel through _________ vacuumsolidwaterair

Sound cannot travel through _________-Turito

<ul>
<li>Sound needs a medium for their propagation.</li>
<li>Like solid, liquid or gas to travel.</li>
<li>Because the molecules of solid, liquid and gases carry sound waves from one point to another.</li>
<li>So, the correct option is d.</li>
</ul>

Solution for the question - sound requires _______ to propagate. mediumvolumespaceparticles

Sound requires _______ to propagate. -Turito

<ul>
<li>Sound waves are mechanical waves.</li>
<li>Because they need a material medium for propagation, like air or liquids like water, or metals like gold,silver etc.</li>
<li>So, the correct option is a.</li>
</ul>

Solution for the question - sound is a __________ wave. broadlongnon-mechanicalmechanical

Sound is a __________ wave.-Turito

<ul>
<li>A sound is a form of energy.</li>
<li>Sound is the movement of energy through substances.</li>
<li>Sound is a mechanical wave that need a strong medium to travel</li>
</ul>

Solution for the question - sound is the form of ______________. energytemperatureforcepressure

Sound is the form of ______________.-Turito

<ul>
<li>Stars are the emitter of light.</li>
<li>Stars emit light own light and hence are called luminous objects.</li>
</ul>

Solution for the question - stars are the emitter of ______. arealightvolumepressure

Stars are the emitter of ______.-Turito

<ul>
<li>Transparent objects allow all light to pass through them.</li>
<li>Therefore, they don't form shadows.</li>
<li>Opaque object forms a shadow.</li>
</ul>

Solution for the question - transparent objects cannot form _______. reverbshadowforcemass

Transparent objects cannot form _______.-Turito

<ul>
<li>Shadow of an object is always black.</li>
<li>Shadow has no colour.</li>
<li>Shadow has size/shape similar as that of objects.</li>
<li>So, the correct option is c.</li>
</ul>

Solution for the question - shadows have no _______. nonecolorsizeshape

Shadows have no _______.-Turito

<ul>
<li>The objects that allow all light rays to travel through them are transparent objects.</li>
<li>Ex- glass, air, water, etc.</li>
</ul>

Glass is the example of _________ object.

Solution for the question - glass is the example of _________ object. nonetranslucentopaquetransparent

Glass is the example of _________ object.-Turito

<ul>
<li>The umbra, penumbra, and antumbra are three distinct parts of a shadow</li>
<li>The darkest region is the umbra.</li>
<li>The less dark region of a shadow is called the penumbra.</li>
<li><img src="https://mycourses.turito.com/tokenpluginfile.php/c161933dbfaab094c54655ab71e9b8f0/1/question/generalfeedback/897065/1/907883/What%20is%20Umbra%20and%20Penumbra~2.jpg" alt="" width="1041" height="398" /></li>
</ul>

The not so dark region of a shadow is called as _________

Solution for the question - the not so dark region of a shadow is called as _________ utensilumbrellapenumbraumbra

The not so dark region of a shadow is called as _________-Turito

<ul>
<li>An opaque object is something that allows no light through it.</li>
<li>Concrete, wood, rock, and metal are some examples of opaque materials.</li>
</ul>

Solution for the question - rock is the example of _______ object. nonetranslucentopaquetransparent

Rock is the example of _______ object.-Turito

<ul>
<li>Translucent objects partially allow light to travel through them.</li>
<li>An opaque object doesn't allow light to pass through them.</li>
<li>Transparent objects allow light to pass through them.</li>
</ul>

Objects from which light can travel 70 percent are called _______.

Solution for the question - objects from which light can travel 70 percent are called _______. nonetranslucentopaquetransparent

Objects from which light can travel 70 percent are called _____-Turito

<ul>
<li>Electric bulbs, candles, and torches are examples of artificial light.</li>
<li>Sun is the source of natural light.</li>
<li>The light emitted from these object</li>
</ul>

Electric bulb is an example of _______ source of light.

Solution for the question - electric bulb is an example of _______ source of light. nonenaturalsupernaturalartificial

Electric bulb is an example of _______ source of light.-Turito

<ul>
<li>An opaque object forms a dark shadow.</li>
<li>Because it doesn't allow any light to pass through them.</li>
<li>So, the correct option is c.</li>
</ul>

Solution for the question - all opaques objects can form ________. source of lightshadowdirectionmass

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Wavelength is denoted by __________.

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Lambda is the unit of wavelength.

The correct answer is: λ

Wavelength is usually denoted by the Greek letter lambda (λ) It is equal to the speed (v) of a wave in a medium divided by its frequency (f). λ = v/f.

Related Questions to study

Sound travels faster than light.

Sound travels faster than light.

In compression the particles are ___________ to each other.

In compression the particles are ___________ to each other.

Sound cannot travel through _________

Sound cannot travel through _________

Sound requires _______ to propagate.

Sound requires _______ to propagate.

Sound is a __________ wave.

Sound is a __________ wave.

Sound is the form of ______________.

Sound is the form of ______________.

Stars are the emitter of ______.

Stars are the emitter of ______.

Transparent objects cannot form _______.

Transparent objects cannot form _______.

Shadows have no _______.

Shadows have no _______.

Glass is the example of _________ object.

Glass is the example of _________ object.

The not so dark region of a shadow is called as _________

The not so dark region of a shadow is called as _________

Rock is the example of _______ object.

Rock is the example of _______ object.

Objects from which light can travel 70 percent are called _______.

Objects from which light can travel 70 percent are called _______.

Electric bulb is an example of _______ source of light.

Electric bulb is an example of _______ source of light.

All opaques objects can form ________.

All opaques objects can form ________.

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Wavelength is usually denoted by the Greek letter lambda (λ)

It is equal to the speed (v) of a wave in a medium divided by its frequency (f).

λ = v/f.