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jenyasd209 [6]
3 years ago
10

What is the angle of reflection?

Physics
2 answers:
Lyrx [107]3 years ago
8 0
<span>The angle of reflection is C). the angle that the reflected ray makes with a line drawn perpendicular to the reflecting surface, that way the reflection can be seen.

Hope I have helped, mark as Brainliest, and have a good day!!!</span>
Sonbull [250]3 years ago
7 0

Explanation :

The process in which the object after striking on a reflecting surface bounces back is called reflection. This process is shown by the light and the sound waves etc.

There are two laws of reflection :

  1. The angle of incidence is equal to the angle of reflection.
  2. The normal, incident ray and the reflected ray and the point of incidence all lie in the same plane.

From the attached figure, it is clear that the angle of reflection is the angle between the reflected ray and the normal to the reflecting surface. It is denoted by \angle r.

Hence, the correct option is (C) " the angle that the reflected ray makes with a line drawn perpendicular to the reflecting surface ".

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Electromagnetic radiation are represented in waves. Each type of wave has a certain shape and length. The distance between two peaks in a wave is called the wavelength. This value is equal to the speed of light divided by the frequency.
Wavelength = c/f
Wavelength = 3x10^8 / <span>5.42x10^15
</span><span>Wavelength = 5.54 x 10^-8 m = 55.35 nm</span>
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Solar energy is a clean, renewable energy source. It is expensive to build a solar plant, but there is no fuel cost only mainten
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Answer:

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Therefore, due to the continuous increasing improvement in solar technology which can observed, the use of the produced energy through solar is evolving, and therefore, will continue to play a continuously increasing but lower role compared to other sources of energy which have been developed to satisfactory level that can drive an industry, considering the financial investment involved

Explanation:

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A 1000 kg elevator accelerates upward at 1.0 m/s2 for 10 m, starting from rest. a. How much work does gravity do on the elevator
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How does the voltage applied to the electric motor affect the coil's number of rotations and its rotational direction
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3 0
3 years ago
a 75 kg man is standing at rest on ice while holding a 4kg ball. if the man throws the ball at a velocity of 3.50 m/s forward, w
AysviL [449]

Answer:

His resulting velocity will be 0.187 m/s backwards.

Explanation:

Given:

Mass of the man is, M=75\ kg

Mass of the ball is, m=4\ kg

Initial velocity of the man is, u_m=0\ m/s(rest)

Initial velocity of the ball is, u_b=0\ m/s(rest)

Final velocity of the ball is, v_b=3.50\ m/s

Final velocity of the man is, v_m=?\ m/s

In order to solve this problem, we apply law of conservation of momentum.

It states that sum of initial momentum is equal to the sum of final momentum.

Momentum is the product of mass and velocity.

Initial momentum = Initial momentum of man and ball

Initial momentum = Mu_m+mu_b=75\times 0+4\times 0 =0\ Nm

Final momentum = Final momentum of man and ball

Final momentum = Mv_m+mv_b=75\times v_m+4\times 3.50 =75v_m+14

Now, initial momentum = final momentum

0=75v_m+14\\\\75v_m=-14\\\\v_m=\frac{-14}{75}\\\\v_m=-0.187\ m/s

The negative sign implies backward motion of the man.

Therefore, his resulting velocity is 0.187 m/s backwards.

3 0
3 years ago
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