The substances which do not allow the light to pass through them are called
Non luminous bodies
Opaque substances
Transparent substances
Translucent substances.
Substances which allow only partial transmission of light to pass through them are called
Luminous substances
Translucent objects
An object which is capable of giving light is called
Bio luminous bodies
Source of light
Non-luminous bodies
Luminous bodies
______________ is an important feature of light that it always travels in a straight line when it travels in the same medium
ray of light
rectilinear propagation if light
source of light
none of these
When opaque objects are placed infront of sunlight or torch light ________ is formed behind the object.
Shadow
Light
Sound
Heat
Substance which allow the light to pass through them completely are called
translucent substance
transparent substances
opaque substances
non luminous substances
_________ invented Telescope.
C.V Raman
Galileo
Issac Newton
Einstein
Burning candle, oil lamp, tube light are _____________
Natural source of light
Artificial source of light
Examples of bioluminescence
None of these.
Bodies that emit light on their own are called
Artificial bodies
Objects that cast shadow are _________ objects.
Transparent
Opaque
Luminous
Translucent
