As the wavelength of electromagnetic radiation increases _______.

Answers

Answer 1

Answer: The wider the waves are spread out, the longer it takes for each cycle to pass a given point. It's this—how FREQUENTLY waves pass a point—that determines the value of 'frequency'. If they are going by less frequently past that point, then the 'frequency' is less: it decreases.

Answer 2

Answer:

Answer:

'frequency' is less: it decreases.

Explanation:

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What would happen if the moon were twice as big

Answers

The universal gravity formula is F = G(Me)(Mm)/r^2. Lets use this formula to help us calculate what would happen if the Moon was twice as big.
Mn = new mass = 2*Mm
Fn = G(Me)(Mn)/r^2
Fn = G(Me)(2Mm)/r^2
Fn = 2*G(Me)(Mm)/r^2
Fn = 2*F
So 2 times the force it was before. The force should be the same, but you never know the moon and space as well know it can work in very mysterious ways.

The force is the same force the moon pulls on the earth is the same as the earth pulls the moon

Slick Willy is in traffic court (again) contesting a $50.00 ticket for running a red light. "You see, your Honor, as I was approaching the light, it appeared yellow to me because of the Doppler effect. The red light from the traffic signal was shifted up in frequency because I was traveling towards it, just like the pitch of an approaching car rises as it approaches you." a. Calculate how fast Slick Willy must have been driving, in meters per second, to observe the red light (wavelength of 687 nm) as yellow (wavelength of 570 nm). (Treat the traffic light as stationary, and assume the Doppler shift formula for sound works for light as well.)

Answers

Answer:

$6.11*10^7m/s$

Explanation:

The Doppler effect formula for an observer approaching a source is given by equation (1);

$f_o=(f(v+v_o))/(v-v_s)...................(1)$

where $f_o$ is the frequency perceived by the observer, v is the actual velocity of the wave in air, $v_o$ is the velocity of the observer, $v_s$ is the velocity of the source and $f$ is the actual frequency of the wave.

The actual velocity v of light in air is $3*10^8m/s$ . The relationship between velocity, frequency and wavelength $\lambda$ is given by equation (2);

$v=\lambda f...........(2)$

therefore;

$f=(v)/(\lambda)...............(3)$

We therefore use equation (3) to find the actual frequency of light emitted and the frequency perceived by Slick Willy.

Actual wavelength $\lambda$ of light emitted is 678nm, hence actual frequency is

given by;

$f=(3*10^8)/(687*10^(-9))\nf=4.37*10^(14)Hz$

Also, the frequency perceived by Slick Willy is given thus;

$f_o=(3*10^8)/(570*10^(-9))\nf=5,26*10^(14)Hz$

The velocity $v_s$ of the source light is zero since the traffic light was stationary. Substituting all parameters into equation (1), we obtain the following;

$5.26*10^(14)=(4.37*10^(14)(3*10^(8)+v_o))/(3*10^8-0)$

We then simplify further to get $v_o$

$10^(14)$ cancels out from both sides, so we obtain the following;

$5.26*3*10^8=4.37(3*10^8+v_o)$

$15.78*10^8=13.11*10^8+4.37v_o\n4.37v_o=15.78*10^8-13.11*10^8\n4.37v_o=2.67*10^8$

Hence;

$v_o=(2.67*10^8)/(4.37)\nv_o=6.11*10^7m/s$

Answer:

61578948 m/s

Explanation:

λ $_(actual)$ = λ $_(observed)$ $(c+v_(o))/(c)$

687 = 570 $((3 * 10^(8) +v_(o) )/(3 * 10^(8)) )$

$v_(o)$ = 61578948 m/s

So Slick Willy was travelling at a speed of 61578948 m/s to observe this.

What is mean by the net displacement in transverse wave

Answers

In a transverse wave, the particles are disturbed in a direction perpendicular to the direction of wave propagation. Thus, waves travel through a medium with no net displacement of the distance between two successive particles of wave that are in wavelength.

The bending of waves around the edge of a barrier is known asa. reflection.
b. refraction.
c. diffraction.
d. interference.

Answers

The answer is C. The bending of waves around the edge of a barrier is called diffraction. It is any phenomena which happens when a wave energy meets an obstacle or a slit. Examples of this are the tracks on a CD act as a grating to form a rainbow pattern in the disk, a hologram on a card, resolution limits on cameras and microscope.

The bending of waves around the edge of a barrier is known as diffraction (Option C)

How do i know which option is correct?

To know which option is correct, we shall define the given options. This is shown below:

Reflection of a wave is simply defined as the bounce back of a wave without a change in the properties of the wave

Refraction is the change in the properties of a wave as it travel from one medium to another.

Diffraction is a property of wave which is defined as the bending of light around the edge of obstacle or barriers.

Interference is the combination of waves to form an entirely different wave with either a reinforce or destructive displacement.

With the above definitions, we can conclude that the correct answer to the question is diffraction (option C)

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Why do the track runners start at different positions on the track?

Answers

Track runners start at different positions on the track to ensure that each runner covers the same distance during the race.

In track events, particularly in sprints, the distance to be covered is the same for all competitors (e.g., 100 meters, 200 meters, 400 meters, etc.).

To compensate for the curved shape of the track, which can create unequal distances for runners in outer lanes compared to those in inner lanes, runners start from staggered positions. The lanes closer to the inner part of the track have a smaller radius and, therefore, a shorter distance to cover in each lap compared to the outer lanes.

By starting at staggered positions, each runner has an equal distance to run during the race. This helps ensure fairness in the competition and eliminates the advantage that could be gained by running in a specific lane.

The starting positions are determined based on the lane number, with the innermost lane (lane 1) starting at the shortest distance from the finish line and the outermost lane starting at a greaterdistance to compensate for the curvature of the track. This ensures that all runners have an equal opportunity to perform at their best regardless of the lane they are assigned to.

Hence, Track runners start at different positions on the track to ensure that each runner covers the same distance during the race.

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Each lane is a different length for one lap. For example, the inside is shorter than than the outside.

Any fracture or system of fractures along which Earth moves is known as a A. strain.
B. deformation.
C. stress.
D. fault.

Answers

Any fracture or system of fractures along which Earth moves is known as a D.fault.

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