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alexdok [17]
3 years ago
11

Which electromagnetic wave has wavelengths just longer than visible light? A. infrared radiation B. ultraviolet radiation C. mic

rowaves D. radio waves
Physics
2 answers:
Zanzabum3 years ago
8 0

Answer:

A). Infrared Radiation

Explanation:

As we know that all electromagnetic waves can propagate without any medium by inducing each other

So here we know that all the electromagnetic waves when arrange in increasing order of energy then

1) Radio Waves

2) Microwaves

3) Infrared radiations

4) Visible light

5) Ultraviolet radiation

6) X rays

7) Gamma Rays

So we will say that wavelength just more than visible light must have energy just less than visible light

So as per above energy order correct answer will be

A). Infrared Radiations

Nady [450]3 years ago
7 0

Answer:

The correct answer is A and B

Explanation:

Light is part of the spectrum of electromagnetic energy along with radio waves, microwaves, infrared, visible light, ultraviolet, X rays and Gamma rays.

Radio waves and microwaves lie on one end of the spectrum, the longer end of electromagnetic energy.

X rays and Gamma rays have very short wavelengths .

I hope it helps!

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A bakery measured the mass of a whole cake as 0.870 kg. A customer bought one slice of the cake and measured the mass of the sli
Brrunno [24]

Answer:

0.7549kg

Explanation:

The mass of the slice + mass of the remaining cake = total mass of cake.

mass of remaining cake = total mass of cake - the mass of the slice

total mass=0.870kg

mass of slice = 0.1151kg

mass of remaining cake = 0.870 - 0.1151

mass of remaining cake=0.7549kg

6 0
4 years ago
Please answer ASAP for brainliest
OlgaM077 [116]

Answer:

Question #1- Scientists agree to a standard way of reporting measured quantities in which the number of reported digits reflects the precision in the measurement- more digits, more precision; less digits, less precision. You just studied 14 terms!

Question #2-  Units are important because without proper measurement and units to express them, we can never express physical laws precisely just from qualitative reasoning. Units are incredibly important to physics. Two of the most important reasons are the following: (1) they help us. to avoid making mistakes in computation, and (2) they serve as a check on computations once they are completed. In the first case, you can avoid adding 3m and 25cm and coming up with the wrong answer.

Explanation: Hope this helps please mark brainliest!

4 0
3 years ago
Read 2 more answers
A
dangina [55]

Answer:

C 2000v its obviously ans because if o is 1000 2 vo is 2000v

7 0
3 years ago
Suppose light from a 632.8 nm helium-neon laser shines through a diffraction grating ruled at 520 lines/mm. How many bright line
Leya [2.2K]

Answer:

1 bright fringe every 33 cm.

Explanation:

The formula to calculate the position of the m-th order brigh line (constructive interference) produced by diffraction of light through a diffraction grating is:

y=\frac{m\lambda D}{d}

where

m is the order of the maximum

\lambda is the wavelength of the light

D is the distance of the screen

d is the separation between two adjacent slit

Here we have:

\lambda=632.8 nm = 632.8\cdot 10^{-9} m is the wavelength of the light

D = 1 m is the distance of the screen (not given in the problem, so we assume it to be 1 meter)

n=520 lines/mm is the number of lines per mm, so the spacing between two lines is

d=\frac{1}{n}=\frac{1}{520}=1.92\cdot 10^{-3} mm = 1.92\cdot 10^{-6} m

Therefore, substituting m = 1, we find:

y=\frac{(632.8\cdot 10^{-9})(1)}{1.92\cdot 10^{-6}}=0.330 m

So, on the distant screen, there is 1 bright fringe every 33 cm.

6 0
3 years ago
PLSSSS HELPPPP PLSSSS 25 POINTS PLS I REALLY NEED THIS AND GET THEM RIGHT SO PLS DONT ANSWER IF U DONT KNOW
denis23 [38]

Answer:

1- C   2-B    3-B   - these are ur best answers

Explanation:

4 0
3 years ago
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