Transparent, opaque and translucent objects - class-VII
Description: transparent, opaque and translucent objects | |
Number of Questions: 41 | |
Created by: Gauri Chanda | |
Tags: light and shadows light and shadow light, shadows and reflections physics light and the formation of shadows celestial shadow sights reflection of light and shadow light, mirrors and lenses light, shadows and images |
Transparent objects:
Water is
Substances that allow light to pass through them are called
Transparent objects.
A substance through which light can pass is called a/an :
Which of the following body allows only a part of the light to pass through it ?
A thin layer of water is transparent but a very thick layer of water is :
Name the body which absorbs all colours.
A body which allows most of the light to pass through it is called a :
Which of the following is a $non-luminous$ body?
A substance through which light can pass completely is called a/an
An object looks red when seen through a piece of red glass. What is the actual colour of the object ?
Air is not visible because it :
Which of the following is a non-luminous body?
A thin layer of water is transparent but a very thick layer of water is
A body which allows most of the light to pass through it is called a
Air is not visible because it
Which of the following is a transparent?
A cyan colour light ray is passed through a blue filter. What is the colour of the light which comes out through the filter?
What is the colour of a green leaf, when white light passing through a yellow filter is incident on it?
A body which allows almost all the light to pass through it and does not reflect any light is a-
A medium which partially allows the light rays to pass through it is called -
Glass allows light to pass through it because it is -
Cellophane paper is an example of -
A leaf appears green when observed in sunlight because:
Gold is an example of a translucent metal. State whether true or false.
Thin glass is a transparent body. State whether true or false.
Select the odd one out w.r.t. transparency (wood, stone, cement, glass)
Select the odd one out w.r.t. transparency (air, fog, mist, tissue paper)
In ........................... lens, all the rays diverge after refraction.
An object is transparent if you can see through it clearly.
You can clearly see through a blue-tinted drinking glass.
Wood is an example of opaque object.
You can clearly see through opaque objects.
Which of the following is transparent?
Which of the following is an opaque object?
Opaque objects: