science
Grade6
Easy
Question
The curtains of a house were such that the inside of the house was somewhat visible from the outside. The curtains are ____.
- Luminous
- Non-luminous
- Translucent
- Transparent
Hint:
- Translucent Objects: There are some objects through which we can see, but not very clearly. Such objects are known as translucent. For example: Butter paper, ground glass etc.
The correct answer is: Translucent
- Transparent Objects: If you are able to see clearly through an object, it is allowing light to pass through it and is transparent. For example: water, clear glass etc.
- Opaque Objects: If we cannot see through an object at all, it is an opaque object. For example: wooden door, wall etc.
- Translucent Objects: There are some objects through which we can see, but not very clearly. Such objects are known as translucent. For example: Butter paper, ground glass etc.
- Hence Curtains are translucent.
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b.The signals from the retina are carried to the brain via optic nerve.
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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.
d. The light from the sun falls on the object and gets reflected.
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.
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 44 degrees. The angle of reflection is ___ degrees.
The angle between the incident ray and the reflecting surface is 44 degrees. 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 laws of reflection hold for reflection from a ____.
The laws of reflection hold for reflection from a ____.
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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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