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Kobotan [32]
4 years ago
12

What is the difference between pulse and periodic waves, and what is the difference between transverse and longitudinal waves?

Physics
1 answer:
stiv31 [10]4 years ago
7 0

<u>Difference between pulse and periodic waves:</u>

A pulse wave is a sudden disturbance in which only one wave or a few waves are generated, such as in the example of the pebble. Thunder and explosions also create pulse waves. A periodic wave repeats the same oscillation for several cycles, such as in the case of the wave pool, and is associated with simple harmonic motion. Each particle in the medium experiences simple harmonic motion in periodic waves by moving back and forth periodically through the same positions.

<u>Difference between longitudinal and transverse waves:</u>

A transverse wave propagates when the disturbance is perpendicular to the propagation direction. An example of a transverse wave is where a woman moves a toy spring up and down, generating waves that propagate away from herself in the horizontal direction while disturbing the toy spring in the vertical direction.

In a longitudinal wave, the disturbance is parallel to the propagation direction. Example of longitudinal wave is where the woman now makes a disturbance in the horizontal direction—which is the same direction as the wave propagation—by stretching and then compressing the toy spring.

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A flat coil of wire consisting of 20 turns, each with an area of 50 cm2, is positioned perpendicularly to a uniform magnetic fie
Scilla [17]

Answer:

Induced current, I = 0.5 A

Explanation:

It is given that,

number of turns, N = 20

Area of wire, A=50\ cm^2=0.005\ m^2

Initial magnetic field, B_i=2\ T

Final magnetic field, B_f=6\ T

Time taken, t = 2 s

Resistance of the coil, R = 0.4 ohms

We know that due to change in magnetic field and emf will be induced in the coil. Its formula is given by :

\epsilon=\dfrac{-d\phi}{dt}

Where

\phi=BA

\epsilon=\dfrac{-d(NBA)}{dt}

\epsilon=NA\dfrac{B_f-B_i}{t}

\epsilon=20\times 0.005\times \dfrac{6-2}{2}

\epsilon=0.2\ V

Let I is the induced current in the wire. It can be calculated using Ohm's law as :

\epsilon=I\times R

I=\dfrac{\epsilon}{R}

I=\dfrac{0.2}{0.4}

I = 0.5 A

So, the magnitude of the induced current in the coil is 0.5 A. Hence, this is the required solution.

5 0
3 years ago
A pair of slits in a double slit experiment are illuminated with monochromatic light of wavelength 480 nm. The slits are separat
Romashka-Z-Leto [24]

Using the appropriate approximations:

dx/L = mλ

d = slit separation

x = fringe spacing

L = distance between slits and screen

m = some integer, used to determine the distance from the central bright fringe to another bright fringe


We don't really need a value for m because we're calculating the distance between any pair of consecutive fringes. Let's just set m = 1


Given values:

d = 1.0mm

L = 2.0m

λ = 480nm


Substitute the terms in the equation with our given values and solve for x:

1.0*10⁻³*x/2 = 480*10⁻9

<h3>x = 0.96mm</h3>
8 0
3 years ago
The apartment’s explosion, reportedly caused by a gas leak, produced a violent release of gas and heat. the heat increased the _
uranmaximum [27]
<h2>Apartment Explosion Reported </h2>

The apartment’s explosion, reportedly caused by a gas leak, produced a violent release of gas and heat. The heat increased the temperature of the air in the room, which means an increase in the air's molecular kinetic energy.

When heat is provided then temperature increases and the molecules of substances move rapidly by increase of kinetic energy (K.E) temperature increases. It is understood that heat increases temperature.

6 0
4 years ago
Read 2 more answers
What type of particle found inside the atom is uncharged
soldi70 [24.7K]

The neutron is uncharged.  That's why it was
given a name built on "neu" from "neutral".


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3 years ago
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Newton’s first law relates motion to balanced and unbalanced forces.
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True, an object at rest stays and rest and an object in motion stays in motion
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