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<ul>
<li>The number of occurrences of a repeating event like a wave oscillation per unit of time is referred to as frequency</li>
<li>The SI unit for frequency is the hertz (Hz).</li>
</ul>

Solution for the question - the units of frequency are __________. pascalhertzkilosmeter

The units of frequency are __________.-Turito

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<ul>
<li>Ultrasound has a frequency 20,000Hz or larger.</li>
<li>Ultrasound is sound waves with frequencies higher than the upper audible limit of human hearing.</li>
</ul>

Solution for the question - ultrasounds have large frequency.

Ultrasounds have large frequency. -Turito

<ul>
<li>We cannot produce sound without vibration in the body.</li>
<li>Sound requires a strong medium to travel</li>
<li>The speed of sound will be more in solids more than that of liquids.</li>
</ul>

If a body is not vibrating, then it is not producing _______.

Solution for the question - if a body is not vibrating, then it is not producing _______. soundgravitypressureforce

If a body is not vibrating, then it is not producing _______.-Turito

<ul>
<li>Sounds with a frequency of 20 Hz and lower are called infrasound.</li>
<li>The decibel (dB) is a logarithmic unit used to measure sound level</li>
</ul>

Solution for the question - infrasound has a great frequency.

Infrasound has a great frequency. -Turito

<ul>
<li>The human ear can only hear sound in the frequency range of 20 Hz to 20,000 Hz.</li>
<li>This is the audible range.</li>
<li>Above 20,000Hz and below 20Hz is ultrasonic and infrasonic respectively, which are not audible for the human ear.</li>
</ul>

Solution for the question - human ear cannot hear __________. both 1 & 2audible soundinfrasoundultrasound

Human ear cannot hear __________.-Turito

<ul>
<li>The unit of measurement of sound is Decibels.</li>
<li>The dB is a logarithmic way of describing a ratio of sound waves</li>
</ul>

Solution for the question - sound is measured in _______. meterdecibelpascalnewton

Sound is measured in _______.-Turito

<ul>
<li>The human ear responds to frequencies in the range of 20 Hz to 20,000 Hz.</li>
<li>This range is audible to the human ear.</li>
</ul>
<ul>
<li>Frequencies above 20,000 Hz are referred to as ultrasonic.</li>
<li>Frequencies below 20Hz are referred to as infrasonic.</li>
<li>Ultrasonic and infrasonic frequencies are outside the range of human perception.</li>
</ul>

Solution for the question - human ear can hear __________. noneaudible soundinfrasoundultrasound

Human ear can hear __________. -Turito

<ul>
<li>Such vibrations are called damped vibrations in which amplitude decreases.</li>
<li><img src="https://mycourses.turito.com/tokenpluginfile.php/c161933dbfaab094c54655ab71e9b8f0/1/question/generalfeedback/892539/1/906232/images%20%282%29~2.png" alt="" width="564" height="379" /></li>
</ul>

If the amplitude decreases, they are called ________ vibrations.

Solution for the question - if the amplitude decreases, they are called ________ vibrations. shinerampeddampedincrease

If the amplitude decreases, they are called ________ vibrations-Turito

<ul>
<li>Sound waves are produced when the vibrating body causes the medium around it to vibrate. </li>
<li>This means vibrating bodies make sound</li>
</ul>

Solution for the question - vibrating bodies make _______________. soundlightpressureforce

Vibrating bodies make _______________.-Turito

<ul>
<li>A sound is a form of energy.</li>
<li>That energy moves through the substance in waves.</li>
<li>So, the correct option is d.</li>
</ul>

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

Sound is the form of __________________.-Turito

<ul>
<li>Eclipse can not happen on same day because, solar eclipse occurs on new moon and lunar eclipse occurs on full moon day..</li>
</ul>

Solution for the question - all eclipse occur on same day.

All eclipse occur on same day.-Turito

<ul>
<li>Penumbra is not the darkest region of the shadow.</li>
<li>It is the place where a /partial eclipse can be seen.</li>
<li>Umbra is the darkest region and a complete eclipse can be seen in this region.</li>
</ul>

Penumbra is the darkest region of a shadow.

Solution for the question - penumbra is the darkest region of a shadow.

Penumbra is the darkest region of a shadow.-Turito

<ul>
<li>Sun is the source of light in the solar system.</li>
<li>Thus, it can not cast its own shadow on any object to form eclipse.</li>
</ul>

Solution for the question - sun shadow forms _________ eclipse. noneannularlunarsolar

Sun shadow forms _________ eclipse.-Turito

<ul>
<li>Opaque objects do not allow the light to pass through them thus, casting the shadow of these objects.</li>
<li>Wood, and stone are some examples of opaque objects.</li>
</ul>

Shadows are formed by __________ objects.

Solution for the question - shadows are formed by __________ objects. nonetranslucentopaquetransparent

Shadows are formed by __________ objects.-Turito

<ul>
<li>In a lunar eclipse, the earth comes in between the sun and moon and cast its shadow over the moon.</li>
<li>The innermost and darkest part of the shadow is known as the umbral region.</li>
<li>In the umbral region, one can experience the total eclipse as there is complete darkness.</li>
</ul>

Umbral lunar eclipse is also called as _________ lunar eclipse.

Solution for the question - umbral lunar eclipse is also called as _________ lunar eclipse. annulartotalpenumbralpartial

Umbral lunar eclipse is also called as _________ lunar eclipse.-Turito

<ul>
<li>In space, light travels through vacuum.</li>
<li>Because vacuum means devoid of any particle or matter.</li>
<li>In space there is no matter hence, it is vacuum.</li>
</ul>

Light in space travels through _________.

Solution for the question - light in space travels through _________. vacuumglassflaskpressure

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Can’t find what you’re looking for?

The units of frequency are __________.

MeterKilosHertzPascal

Hz is the SI unit of frequency.

The correct answer is: Hertz

The number of occurrences of a repeating event like a wave oscillation per unit of time is referred to as frequency The SI unit for frequency is the hertz (Hz).

Related Questions to study

Ultrasounds have large frequency.

Ultrasounds have large frequency.

If a body is not vibrating, then it is not producing _______.

If a body is not vibrating, then it is not producing _______.

Infrasound has a great frequency.

Infrasound has a great frequency.

Human ear cannot hear __________.

Human ear cannot hear __________.

Sound is measured in _______.

Sound is measured in _______.

Human ear can hear __________.

Human ear can hear __________.

If the amplitude decreases, they are called ________ vibrations.

If the amplitude decreases, they are called ________ vibrations.

Vibrating bodies make _______________.

Vibrating bodies make _______________.

Sound is the form of __________________.

Sound is the form of __________________.

All eclipse occur on same day.

All eclipse occur on same day.

Penumbra is the darkest region of a shadow.

Penumbra is the darkest region of a shadow.

Sun shadow forms _________ eclipse.

Sun shadow forms _________ eclipse.

Shadows are formed by __________ objects.

Shadows are formed by __________ objects.

Umbral lunar eclipse is also called as _________ lunar eclipse.

Umbral lunar eclipse is also called as _________ lunar eclipse.

Light in space travels through _________.

Light in space travels through _________.

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Meter
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Hertz
Pascal

The number of occurrences of a repeating event like a wave oscillation per unit of time is referred to as frequency

The SI unit for frequency is the hertz (Hz).