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Ivanshal [37]
3 years ago
13

Which sequence shows electromagnetic waves arranged from shorter to longer wavelengths?. A. visible light, infrared radiation, m

icrowaves, and ultraviolet rays. B.infrared radiation, Visible light,ultraviolet rays, microwaves. C. Microwaves, infrared radiation,visible light, ultraviolet rays. D.ultraviolet rays, visible light, infrared radiation, microwaves.
Physics
2 answers:
Doss [256]3 years ago
6 0

Answer:

the answer is d

Explanation:

joja [24]3 years ago
5 0

Answer: D.ultraviolet rays, visible light, infrared radiation, microwaves.

Explanation:

Shorter wavelength means higher frequency and higher energy.

Thus, the correct sequence of electromagnetic waves from shorter wavelength to longer wavelength is:

D.ultraviolet rays, visible light, infrared radiation, microwaves.

<u>Ultraviolet rays have shorter wavelength (about 380 nm) and high energy. </u>

<u>Visible light has wavelength: 380 nm to 700 nm</u>

<u>Infrared wavelength: 700 nm to 1 mm</u>

<u>Microwave wavelength: 1 mm to 1 m</u>

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Explanation:

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3 years ago
A particle is projected with velocity v0 directly up a slope which makes an angle α with the horizontal. Assume frictionless mot
Nikolay [14]

Answer:

a)T total = 2*Voy/(g*sin( α ))

b)α = 0º ,  T total≅∞ (the particle, goes away horizontally indefinitely)

α = 90º,  T total=2*Voy/g

Explanation:

  • Velocity in the Y axis:

Voy=Vo*sinα

  • Time to reach the maximal height :

Kinematics equation: Vfy=Voy-at

a=g*sinα ;  g is gravity

if Vfy=0 ⇒ t=T ; time to reach the maximal height

so:

0=Voy-g*sin( α )*T

T=Voy/(g*sin( α ))

  • Time required to return to the starting point:

After the object reaches its maximum height, the object descends to the starting point, the time it descends is the same as the time it rises.

So T total= 2T = 2*Voy/(g*sin( α ))

  • α = 0º , sinα=0

The particle goes totally horizontal, goes away indefinitely

T total= 2*Voy/(g*sin( α )) ≅∞

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6 0
3 years ago
Which is a product of photosynthesis?
evablogger [386]

<u>Answer</u>:-

The main product is glucose despite as the matter of fact it produces several products such as:

•Oxygen

&

•Water too.

Explanation:

The reaction of photosynthesis is given below:

6CO2 + 12H2O + (in the presence of sunlight) → C6H12O6 + 6O2 + 6H2O

Carbon dioxide + Water + Sunlight → Glucose + Oxygen + Water.

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3 years ago
A storm cloud has a charge of 0.055 C. Due to polarization, the top of a tree gains a charge of -0.006 C. The cloud moves to 98
Anastasy [175]

Answer:

F = 309.24 N

Explanation:

Given that,

Charge on a strom cloud, q₁ = 0.055 C

The charge gained by the top of a tree, q₂ = -0.006 C

The cloud moves to 98 meters above the tree.

We need to find the amount of force between the cloud and the tree. The electrical force between two charges is given by :

F=\dfrac{kq_1q_2}{r^2}\\\\F=\dfrac{9\times 10^9\times 0.055\times 0.006 }{(98)^2}\\\\F=309.24\ N

So, the force between the cloud and the tree is equal to 309.24 N.

5 0
3 years ago
What is the definition of force according to the Newton's first law of motion ​
Norma-Jean [14]

Answer:

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Explanation:

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3 years ago
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