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Physical Science > Finals exam reviewer > Flashcards

Finals exam reviewer Flashcards

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1
Q

It is part of the electromagnetic radiation spectrum, which is a form of energy.

A

Light

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2
Q

These are those PROPERTIES OF LIGHT

A

• REFLECTION
• REFRACTION
• TRANSMISSION
• ABSORPTION

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3
Q

Refers to the bouncing of light wave off the boundary

A

Reflection

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4
Q

is the bending of light. It is an attraction between the molecules of the medium and the particles of light which contribute to the change of speed and direction as the particles of the light travel inside the medium

A

Refraction

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5
Q

The change in the direction of a wave when it passes from one medium to another

A

Refraction

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6
Q

Refers to the process where light passes through an object or medium without being absorbed.

A

Transmission

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7
Q

Atoms contain electrons that can vibrate at certain frequencies.

A

Absorption

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8
Q

When light waves strike an atom that has similar frequency, electrons will absorb the energy and will be set into vibration.

A

Absorption

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9
Q

He proposed the wave theory of light.

A

Christian Huygens

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10
Q

proposed the corpuscular theory of light in 1704. According to this theory, light consists of tiny particles or corpuscles coming from a luminous object.

A

Isaac Newton

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11
Q

is the capability of a light ray to be refracted.

A

Refrangibility

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12
Q

It is a disturbance that travels through a medium or a vacuum and carries energy.

A

Wave

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13
Q

is one in which the direction of energy transfer is perpendicular to the vibration of particles.

A

Transverse Waves

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14
Q

It is the direction of energy transfer

A

Perpendicular

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15
Q

One in which the direction of energy transfer or wave motion is parallel to the particle motion.

A

Longitudinal Waves

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16
Q

is the distance between two identical points on a wave.

A

Wavelength

17
Q

It is a wave is the number of vibrations completed in one second,

A

Frequency

18
Q

consist of both electric and magnetic field waves.

A

LIGHT AS ELECTROMAGNETIC WAVE

19
Q

a Scottish physicist and mathematician, calculated that speed of the EM waves in a vacuum is approximately 𝟑 × 𝟏𝟎𝟖 𝒎/𝒔 which is the same as the speed of light.

A

James Clerk Maxwell

20
Q

The energy of an EM wave is a function of its frequency. In other words, the greater the frequency of an EM wave is, the energy is also greater.

A

ENERGY OF ELECTROMAGNETIC WAVES

21
Q

because frequency is inversely proportional to wavelength,

A

the energy of an EM wave is also inversely proportional to its wavelength.

22
Q

is the continuous range of electromagnetic waves arranged in order of frequency or wavelength

A

electromagnetic spectrum

23
Q

Splitting of white light into seven constituent colors when passed through the prism.

A

Dispersion

24
Q

is an optical element which is transparent with flat, polished surfaces that reflect light.

A

Prism

25
Q

the process where light rays deviate from its path due to non-uniformities in the medium through which they pass.

A

Scattering

26
Q

a phenomenon that occurs when two light waves meet while traveling along with the same medium.

A

Interference

27
Q

When waves combine to produce a wave with an amplitude higher than that of the original.

A

Constructive Interference

28
Q

occurs when two interfering waves are with opposite displacements.

A

Destructive Interference

29
Q

a process in which a light ray travels through an obstacle or around a barrier and it spreads out as a result.

A

Diffraction

30
Q

are elementary particles of light and are referred to as packets or bundles of energy.

A

Photons

31
Q

The emitted light has a certain wavelength that corresponds to different colors. It can be observed as a series of colored lines with black spaces in between. This is called

A

Atomic Spectra

32
Q

refers to the ejection of electrons from a surface of a metal in response to light directed to the metal.

A

Photoelectric effect

33
Q

He proposed that light consisted of individual photons, which interacted with the electrons in the surface of the metal.

A

Albert Einstein

34
Q

According to him electrons are emitted from a metallic surface when subjected to an incident light consisting photons.

A

Einstein

Physical Science (1 decks)

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