Ask question

Ask question

All categories

kolbaska11 [484]

3 years ago

15

Sound waves are described as a.) mechanical and transverse b.) mechanical and longitudinal c.) electromagnetic and transverse or

d.) electromagnetic and longitudinal

1 answer:

natta225 [31]3 years ago

6 0

Answer: B. Mechanical and Longitudinal

You might be interested in

is incident on a polarizer whose transmission axis makes an angle of 30o with respect to the horizontal. What is the average int

postnew [5]

Answer:

Explanation:

Let the incident intensity of light on the polariser is Io.

Let the angle of transmission is θ.

According to the law of Malus,

The intensity of light coming out form the polariser is given by

I = IoCos²θ

The mean or the average value of Cos²θ is 1/2

So, the intensity of light coming out from the polariser is

I = Io/2

Thus, the 50% of light is transmitted by the polariser.

5 0

3 years ago

When the temperature increases, a...

Firdavs [7]

When the temperature increases, a

<em>S</em><em>o</em><em>l</em><em>i</em><em>d</em><em> </em><em>c</em><em>h</em><em>a</em><em>n</em><em>g</em><em>e</em><em>s</em><em> </em><em>i</em><em>n</em><em>t</em><em>o</em><em> </em><em>l</em><em>i</em><em>q</em><em>u</em><em>i</em><em>d</em>

<u>W</u><u>h</u><u>e</u><u>n</u><u> </u><u>w</u><u>e</u><u> </u><u>h</u><u>e</u><u>a</u><u>t</u><u> </u><u>a</u><u> </u><u>s</u><u>o</u><u>l</u><u>i</u><u>d</u><u> </u><u>s</u><u>u</u><u>b</u><u>s</u><u>t</u><u>a</u><u>n</u><u>c</u><u>e</u><u> </u><u>l</u><u>i</u><u>k</u><u>e</u><u> </u><u>m</u><u>e</u><u>t</u><u>a</u><u>l</u><u>,</u><u> </u><u>i</u><u>c</u><u>e</u><u> </u><u>w</u><u>e</u><u> </u><u>s</u><u>e</u><u>e</u><u> </u><u>t</u><u>h</u><u>a</u><u>t</u><u> </u><u>t</u><u>h</u><u>e</u><u>y</u><u> </u><u>s</u><u>t</u><u>a</u><u>r</u><u>t</u><u> </u><u>t</u><u>o</u><u> </u><u>m</u><u>e</u><u>l</u><u>t</u><u> </u><u>a</u><u>n</u><u>d</u><u> </u><u>t</u><u>u</u><u>r</u><u>n</u><u> </u><u>i</u><u>n</u><u>t</u><u>o</u><u> </u><u>l</u><u>i</u><u>q</u><u>u</u><u>i</u><u>d</u><u>.</u><u> </u><u>T</u><u>h</u><u>i</u><u>s</u><u> </u><u>i</u><u>s</u><u> </u><u>d</u><u>u</u><u>e</u><u> </u><u>t</u><u>o</u><u> </u><u>t</u><u>h</u><u>e</u><u> </u><u>t</u><u>e</u><u>m</u><u>p</u><u>e</u><u>r</u><u>a</u><u>t</u><u>u</u><u>r</u><u>e</u><u>.</u><u> </u><u>A</u><u>s</u><u> </u><u>t</u><u>h</u><u>e</u><u> </u><u>t</u><u>e</u><u>m</u><u>p</u><u>e</u><u>r</u><u>a</u><u>t</u><u>u</u><u>r</u><u>e</u><u> </u><u>i</u><u>n</u><u>c</u><u>r</u><u>e</u><u>a</u><u>s</u><u>e</u><u>s</u><u> </u><u>t</u><u>h</u><u>e</u><u>y</u><u> </u><u>m</u><u>e</u><u>l</u><u>t</u><u> </u><u>e</u><u>v</u><u>e</u><u>n</u><u> </u><u>m</u><u>o</u><u>r</u><u>e</u><u>.</u><u>.</u>

5 0

2 years ago

<img src="https://tex.z-dn.net/?f=what%20%5C%3A%20is%20%5C%3A%20reflection%20%5C%3A%20of%20%5C%3A%20light%20%5C%3A%20%20%20%5C%3

strojnjashka [21]

<h2>Answer:</h2>

<h3>When a ray of light approaches a smooth polished surface and the light ray bounces back, it is called the reflection of light. The incident light ray which lands upon the surface is said to be reflected off the surface. The ray that bounces back is called the reflected ray.</h3>

4 0

3 years ago

This chart shows the volumes of four different objects.

Elina [12.6K]

Answer: Object 3 is the most dense

Explanation:

Density $\rho$ is directly proportional to the mass $m$ and inversely proportional to the volume $V$ :

$\rho=\frac{m}{V}$

This means that by increasing the volume of the body, its density will decrease.

So taking into account the four objects have the same mass $m$ , but different volumes, the object with less volume will be the most dense.

Let's prove it:

Object 1

$\rho_{1}=\frac{m}{6}=0.16 m$

Object 2

$\rho_{2}=\frac{m}{8}=0.125 m$

Object 3

$\rho_{3}=\frac{m}{3}=0.33 m$

Object 4

$\rho_{4}=\frac{m}{14}=0.071 m$

Then:

$\rho_{4}$

Hence, <u>object 3 is the most dense</u>.

7 0

4 years ago

Read 2 more answers

A sound wave is produced when a medium begins to

Y_Kistochka [10]

Answer:

Vibrate

Please Mark Brainliest If This Helped!

5 0

2 years ago

Read 2 more answers