science
Grade6
Easy
Question
A ____ object casts a shadow.
- Transparent
- Translucent
- Opaque
- Luminous
Hint:
Transparent and translucent objects do not cast shadows because they let light pass through them
The correct answer is: Opaque
- Opaque objects cast shadows because they do not let light to pass through them. Hence, they form a dark patch on the other side of the object. Transparent and translucent objects do not cast shadows because they let light pass through them. Hence, they don't form any dark patches.
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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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