Light, Shadows and reflections - Class 6 - Science
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Extra Questions - Light, Shadows and reflections | NCERT | Science | Class 6
Which of the following is a luminous body?
A. Luminous
B. Stars
C. Moon
D. Torch
The correct options are:
B: Stars
D: Torch
Luminous objects are defined as objects that emit light on their own. Examples of luminous objects include stars, which emit light due to nuclear fusion, and a torch, which emits light when powered by electricity. On the other hand, objects like the Earth and the Moon are considered non-luminous as they do not emit light inherently, but are visible due to the reflection of light from luminous sources.
Choose the odd one out.
A Glass
B Cardboard
C Metal sheet
D Wooden block
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Sign up nowQuestions & Answers - Light, Shadows and reflections | NCERT | Science | Class 6
Rearrange the boxes given below to make a sentence that helps us understand opaque objects.
OWS AKE OPAQ UEO BJEC TSM SHAD
OPAQUE OBJECTS MAKE SHADOWS.
Classify the objects or materials given below as opaque, transparent or translucent and luminous or non-luminous: Air, water, a piece of rock, a sheet of aluminium, a mirror, a wooden board, a sheet of polythene, a CD, smoke, a sheet of plane glass, fog, a piece of red hot iron, an umbrella, a lighted fluorescent tube, a wall, a sheet of carbon paper, the flame of a gas burner, a sheet of cardboard, a lighted torch, a sheet of cellophane, a wire mesh, kerosene stove, sun, firefly, moon
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