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salantis [7]
3 years ago
14

What do radio waves and microwaves have in common?

Physics
1 answer:
MAVERICK [17]3 years ago
6 0
#3, they both come after infared and are not harmful to living cells.
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When warm air rises, cold air will _____.
Arte-miy333 [17]

Explanation:

sink and fill in space..........

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3 years ago
What is the last step in creating an argumentative essay?
Vitek1552 [10]

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3 years ago
A 100 Ω resistive heater in a tank of water (1kg) increases its temperature from 10°C to 20°C over a period of 1 hour. During th
Nookie1986 [14]

Answer:48.52 kJ

Explanation:

Given

Resistance=100 \Omega

temperature increases from 10^{\circ}C to 20^{\circ}C

Voltage=50 V

Heat given(H)=\frac{V^2t}{R}

Where V=voltage applied

t=time

R=Resistance

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Heat absorbed by water is

Q=mc(\Delta T)

where

m=mass of water

c=specific heat of water

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Q=1000\times 4.184\times (20-10)=41.48 kJ

Therefore  90-41.48=48.52 kJ is not absorbed by water and leaves the system into the surroundings.

8 0
3 years ago
WILL GIVE BRAINLIEST IF YOU GET THEM ALL RIGHT!!! In this problem you shine a light on a square and you have to tell me which co
asambeis [7]

White color light falls on white object , it will appears black because it absorbs all the colors of spectrum.

White color light falls on red object , it will appears red because it absorbs all the colors of spectrum except red.

White color light falls on blue object , it will appears blue because it absorbs all the colors of spectrum except blue.

Red color light falls on white object , it will appears Red.

Red color light falls on Red object , it will appears Red.

Red color light falls on Green object , it will appears black.

Green color light falls on white object , it will appears green.

Green color light falls on Red object , it will appears black.

Green color light falls on Green object , it will appears green.

Purple color light falls on white object , it will appears Purple.

Purple color light falls on Red object , it will appears black.

Purple color light falls on Blue object , it will appears black.

<h3>What is white light?</h3>

White light is the light from the sunlight incident on the surface to appear their color.

Thus, for each colored light and colored square, appearing color is find out.

Learn more about white light.

brainly.com/question/16317768

#SPJ1

8 0
2 years ago
What wavelength ? should the astrophysicist look for to detect a transition of an electron from the n=7 to the n=3 level?
Veseljchak [2.6K]
Using the Debroglies equation,energy can be found,as 1.9773*10*-9
then, energy* wave length= hc
c is the speed of light and is the planks constant.
wave length =1.006*10*-16 m
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