Quiz
MODULE 4.3 LIGHT
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Fragen in diesem Quiz (11)
1WHAT IS LIGHT?

- ATHE SUN IS A NATURAL SOURCE OF LIGHT AND SHADOW FORMS WHEN ITS LIGHT IS BLOCKED
- BLIGHT IS A FORM OF ENERGY CALLED ELECTROMAGNETICS RADITION.
- Cprovide with light or lighting; illuminate.
2HOW DOES LIGHT TRAVELS?
- ALIGHT ALSO TRAVELS THROUGH SPACE FROM THE SUN TO EARTH, LIGHTING UP AND OUT DAY.
- BLight travels as a wave.
3WHAT IS THE SPEED OF LIGHT?

- A(300,000 KM)
- B(1,000,000 KM)
- C(6,000 KM)
4WHAT IS LUMINOUS?

- AAN OBJECT THAT RELEASES OR EMIT LIGHT.
- Bbrilliant intellectually; enlightened or enlightening, as a writer or a writer's works:
5WHAT IS REFLECTION?

- ATHE BOUNCING OF LIGHT OFF SOMETHING.
- Ba fixing of the thoughts on something; careful consideration.
- Can image; representation; counterpart.
6WHAT IS REGULAR REFLECTION

- Areflection such that the angle of reflection of the light is equal to the angle of incidence and on the opposite side of the normal to the point of incidence
- BREGULAR REFLECTION OCCURS FROM VERY SMOOTH SURFACES AND FORMS CLEAR, SHARP IMAGES.
- CSpecular reflection, also known as regular reflection, is the mirror-like reflection of waves, such as light, from a surface.
7WHAT IS DIFFUSE REFLECTION?

- ADIFFUSE REFLECTION OCCURS FROM ROUGH SURFACES AND NO CLEAR IMAGE IS FORMED
- BDiffuse reflection is uniform reflection of light with no directional dependence for the viewer, e.g., a matte surface such as cardboard.
8WHAT IS THE LAW OF REFLECTION?

- ATHE LAW STATING THAT LIGHT IS REFLECTED AT THE SAME ANGLE THAT IT IS INCIDENT OR i=r
- BThe law of reflection states that the incident ray, the reflected ray, and the normal to the surface of the mirror all lie in the same plane.
9WHAT IS A PLANE MIRROR?

- AA FLAT MIRROR.
- BTHE FIRST ANSWER
10WHAT IS LATERAL INVERSION?

- ATHE SIDEWAYS OF LEFT-TO-RIGHT REVERSAL OF AN IMAGE IN A PLANE MIRROR.
- BTHE FIRST ANSWER
11WHAT IS A VIRTUAL IMAGE?

- AAN IMAGE FORMED IN WHICH THE RAYS OF LIGHT DO NOT ACTUALLY MEET, BUT ONLY APPEAR TO MEET AT A POINT INSIDE THE MIRROR
- BFIRST ANSWER
Informationen
- Beschreibung
- Quiz am MODULE 4.3 LIGHT, erstellt von mariam said am 30/07/2018.
- Autor
- mariam said
- Sprache
- English
- Aufrufe
- 25
- Schlagwörter
- Bewertung
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