PHYSICS HIGH SCHOOL

Which of the following describes when light bounces off a surface

Answers

Answer 1
Answer: This is the process of light bouncing off a surface reflection. 
Answer 2
Answer:

Answer:

Its reflection

Explanation:

Light reflects from a smooth surface at the same angle as it hits the surface. For a smooth surface, reflected light rays travel in the same direction. This is called specular reflection. ... Diffuse reflection is when light hits an object and reflects in lots of different directions. Welcome.

Related Questions

Which of these statements about resistance is true? Choose the best answer.A. The greater the resistance, the easier it is for electricity to flowB. The greater the resistance, the less thermal energy is produce.C. The greater the resistance, the more electrical energy is produced.D. The greater the resistance, the more electrical energy is produced.
Which statement correctly defines power?Voltage divided by amperageThe product of voltage times amperageThe product of resistance times voltageResistance divided by voltage
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How is velocity of a body in uniform circular motion related to its time period

Answers

If the radius remains constant, then the speed of an object in uniform
circular motion and its period of revolution are inversely proportional.

A crate is dragged 4.0 m along a rough floor with a constant velocity by a worker applying a force of 400 N to a rope at an angle of 30∘ to the horizontal.

Answers

For the crate moving along the direction of Force with constant velocity the summation of the force alng x-axis should be zero. and too for the y component
In view of this
Fx=Fcos30
=364.4N

Why do different elements emit different colors of light

Answers

Answer:

different photonic energies

Final answer:

Elements emit different colors of light based on their electron configurations and the amount of energy released.

Explanation:

Each element has a unique arrangement of electrons in its atoms. When these electrons transition from higher energy levels to lower energy levels, they release energy in the form of light. The color of light emitted depends on the amount of energy released.

For example, sodium emits yellow light because its electrons transition from a higher energy level to a lower energy level, releasing a specific amount of energy corresponding to the yellow part of the visible spectrum.

Other elements, like copper or lithium, emit different colors of light because they have different electron configurations and release energy at different wavelengths.

Learn more about Emission of light here:

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Ted wants to hang a wall clock on the wall by using a string. If the mass of the wall clock is 0.250 kilograms, what should be the tension of the string so that it can sustain the weight of the wall clock?

Answers

The clock is pulling the force towards earth's center because of gravity.
That force is equal to:
F = m*g   where g is gravitational acceleration. 

We will take that g = 9.81m/s^2

Now:
F = 0.25 * 9.81 = 2.4525 N

The string needs to sustain that force, therefore minimum Force that string has to be able to sustain is:
2.4525 N

The answer is 2.45 newtons because 1 kg = 9.8 newtons so when we use that ratio, we get around 2.45 newtons for 0.25 kg. This would be your (B) option I think.

Which of the following is the primary medium for beach erosion? ice gravity wind water

Answers

i believe it is water that is the medium for beach erosion
I think it would be water because the waves (tides) are repeatedly bringing sand to the shore and dragging more sand back into the ocean. So water seems the most logical.

During a total lunar eclipse, where is the Moon located?a. in the umbra
b. in the penumbra
c. between the Sun and Earth
d. between the umbra and penumbra

Answers

During a total lunar eclipse, the Moon located in the umbra. The answer is letter A. For a total lunar eclipse to occur, the Sun, Earth and Moon must be aligned in a straight line. The Earth’s umbra complete covers the Moon. The earth’s umbra is about 870,000 miles wide.

Answer:

a

Explanation:
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_____ is the combination of two nuclei to produce a nucleus of heavier mass.a. fission b. nuclear radiation c. radioactivity d. fusion
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Salmon often jump waterfalls to reach theirbreeding grounds.Starting 3.16 m from a waterfall 0.379 min height, at what minimum speed must asalmon jumping at an angle of 37.6◦leave thewater to continue upstream? The accelerationdue to gravity is 9.81 m/s2.Answer in units of m/s.