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EXAMS > SCIENCE ON REFLECTION AND REFRACTION OF LIGHT > Flashcards

SCIENCE ON REFLECTION AND REFRACTION OF LIGHT Flashcards

1
Q

IT IS ELECTROMAGNETIC RADIATION THAT HAS PROPERTIES OF WAVES AND PARTICLES.

A

LIGHT

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2
Q

LIGHT WAVES ALSO BOUNCE OFF FROM A REFLECTING SURFACE AND THIS PROPERTY IS CALLED REFLECTION.

A

REFLECTION OF LIGHT OR REFLECTION

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3
Q

TWO KINDS OF REFLECTION

A

SPECULAR REFLECTION

DIFFUSED REFLECTION

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4
Q

OCCURS WHEN THE REFLECTIVE SURFACE IS VERY SMOOTH SUCH AS A MIRROR OR A SURFACE OF CALM WATER.

A

SPECULAR REFLECTION

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5
Q

IS OBSERVED WHEN LIGHT HITS A ROUGH SURFACE RESULTING IN THE BOUNCING BACK OF LIGHT WAVES IN A DIFFERENT DIRECTION

A

DIFFUSED REFLECTION

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6
Q

A SMOOTH REFLECTING SURFACE THAT PRODUCES A SPECULAR REFLECTION OF RED RAYS MAY PRODUCE DIFFUSE REFLECTION WHEN INCIDENT UPON BY VIOLET RAYS

A

DIFFUSION

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7
Q

DISPERSAL OF REFLECTED LIGHT IS CALLED

A

DIFFUSION

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8
Q

IS THE TRANSFER OF ENERGY CARRIED BY THE LIGHT WAVES TO THE PARTICLES OF MATTER

A

ABSORPTION

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9
Q

IS THE REFLECTION OF LIGHT BY PARTICLES.

A

SCATTERING

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10
Q

IS STRICTLY OBSERVED WHEN THE REFLECTING SURFACE IS SMOOTH.

A

LAW OF REFLECTION OR LAW OF REFLECTION OF LIGHT

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11
Q

IN LAW OF REFLECTION OR LAW OF REFLECTION OF LIGHT

WHEN THE LIGHT IS EXITING FROM A MEDIUM, _____ _______ ________ CAN OCCUR IF THE ANGLE OF INCIDENCE IS GREATER THAN THE CRITICAL ANGLE.

A

TOTAL INTERNAL REFLECTION

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12
Q

THE 2 LAW OF REFLECTION OF LIGHT

A

A. THE ANGLE OF INCIDENCE IS EQUAL TO THE ANGLE OF REFLECTION

B. THE INCIDENT RAY, THE NORMAL TO THE MIRROR AT THE POINT OF INCIDENCE, AND THE REFLECTED RAY ALL LIE IN THE SAME PLANE.

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13
Q

IT IS THE BENDING OF LIGHT AS IT PASSES FROM ONE MEDIUM TO ANOTHER.

A

REFRACTION OF LIGHT

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14
Q

THE EFFECT ASSOCIATED WITH THE SEPARATION OF LIGHT INTO COLORS BY A PRISM

A

DISPERSION

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15
Q

NEWTON’S EXPERIMENT CONFIRMED THAT WHEN A LIGHT WAS MADE TO PASS THROUGH A PRISM, ITS COMPONENTS REFRACTED AT THE DIFFERENT ANGLES ON ACCOUNT OF THEIR DIFFERENT WAVELENGHTS.

A

DISPERSION

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16
Q

IN DISPERSION

___ _____ WAS OBSERVED TO BE BENT THE LEAST,

A

RED LIGHT

17
Q

THE SPEED OF LIGHT VARIES IN DIFFERENT SUBSTANCES

A

INDEX OF REFRACTION

18
Q

THE SPEED OF LIGHT IN A VACUUM IS USUALLY DENOTED BY C, FOR

A

“CONSTANT”

19
Q

FOR “CONSTANT” OR THE LATIN

A

“CELERITAS”

20
Q

THE LATIN “CELERITAS” (MEANING

A

“SWIFTNESS”)

21
Q

DEFINES THE METER AS THE DISTANCE LIGHT TRAVELS IN A VACUUM IS 1/299,792,458 OF A SECOND.

A

SYSTEME INTERNATIONALE

22
Q

THIS DEFINITION FIXES THE SPEED OF LIGHT IN A VACUUM AT EXACTLY

A

299, 792, 458 M/S.

23
Q

IN DISPERSION
______ _____ WAS BENT THE MOST.

A

VIOLET LIGHT

EXAMS (34 decks)

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