science
Grade6
Easy
Question
A wooden block is a/an ____ object.
- Transparent
- Translucent
- Opaque
- Luminous
Hint:
Objects that do not allow any light to pass through them are known as opaque materials.
The correct answer is: Opaque
- A wooden piece is an opaque object.
- When a block of wood is placed in the path of light, It completely blocks the light and forms a shadow.
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Arrange the following events in the right order.
a. Light from the object enters the eyes of the person.
b.The signals from the retina are carried to the brain via optic nerve.
c. The eye lens focuses a real and inverted image of the object onto the retina.
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e. The brain interprets the signals and shows an upright image to the person.
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An incident ray hits the surface perpendicular to it. The angle of reflection is ____ degrees.
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The angle between the incident ray and the reflecting surface is 53 degrees. The angle of incidence is ___ degrees.
The angle between the incident ray and the reflecting surface is 53 degrees. The angle of incidence is ___ degrees.
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The angle between the incident ray and the reflecting surface is 35 degrees. The angle of incidence is ___ degrees.
The angle between the incident ray and the reflecting surface is 35 degrees. The angle of incidence is ___ degrees.
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The angle made by the incident ray with the reflecting surface is ____ the angle made by the reflected ray with the reflecting surface.
The angle made by the incident ray with the reflecting surface is ____ the angle made by the reflected ray with the reflecting surface.
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The incident ray, the reflected ray, and the normal at the point of incidence, all lie ___.
The incident ray, the reflected ray, and the normal at the point of incidence, all lie ___.
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____ focuses the light coming from an object onto the ____.
____ focuses the light coming from an object onto the ____.
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Which of the following materials are apt for diffuse reflection?
Which of the following materials are apt for diffuse reflection?
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The angle between the incident ray and the reflecting surface is 24 degrees. The angle of reflection is ___ degrees
The angle between the incident ray and the reflecting surface is 24 degrees. The angle of reflection is ___ degrees
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