science
Grade-4-
Easy

Question

Plastic lunch boxes are _____.

  1. Luminous
  2. Non-luminous
  3. Emit light
  4. None of the above

hintHint:

  • The objects which don't emit light for their own are known as non luminous objects.

The correct answer is: Non-luminous


    Non luminous
    • Plastic lunch boxes are non luminous as they can't emit light for their own.

    • Plastic lunch boxes are not able to emit light for their own.
    • Plastic lunch boxes are an example of non luminous objects.

    Related Questions to study

    Grade-4-
    science

    The stars can be seen because they emit light.

    • Stars emit light for their own and are known as luminous objects.
    • They are visible to us because of emission of light by them.

    The stars can be seen because they emit light.

    scienceGrade-4-

    • Stars emit light for their own and are known as luminous objects.
    • They are visible to us because of emission of light by them.

    Grade-4-
    science

    A lantern fish can be seen at night as it reflects light.

    • At night there is no another luminous object that can make a lantern fish visible.
    • A lantern fish emits light for it's own due to which it is visible even at night.

    A lantern fish can be seen at night as it reflects light.

    scienceGrade-4-

    • At night there is no another luminous object that can make a lantern fish visible.
    • A lantern fish emits light for it's own due to which it is visible even at night.

    Grade-4-
    science

    The following object can be seen because it reflects light.

    • Reflection of light or emission of light is necessary to make an object visible.

    The following object can be seen because it reflects light.

    scienceGrade-4-

    • Reflection of light or emission of light is necessary to make an object visible.

    parallel
    Grade-4-
    science

    The object shown below can be seen because it reflects light.

    • The given object is emitting light or radiations.
    • It is a luminous object.
    • Emission of light is the reason which makes the given object visible.

    The object shown below can be seen because it reflects light.

    scienceGrade-4-

    • The given object is emitting light or radiations.
    • It is a luminous object.
    • Emission of light is the reason which makes the given object visible.

    Grade-4-
    science

    The object shown below can be seen because it reflects light.

    • The given object is visible due to the light which is bouncing off the surface of the object.
    • Reflection of light is necessary to make an object visible.

    The object shown below can be seen because it reflects light.

    scienceGrade-4-

    • The given object is visible due to the light which is bouncing off the surface of the object.
    • Reflection of light is necessary to make an object visible.

    Grade-4-
    science

    The toy shown below is _____.

    • The given toy car is emitting light for it's own so it is a luminous object.

    The toy shown below is _____.

    scienceGrade-4-

    • The given toy car is emitting light for it's own so it is a luminous object.

    parallel
    Grade-4-
    science

    The toy shown below is _____.

    • The given toy is emitting light for it's own so it is a luminous object.

    The toy shown below is _____.

    scienceGrade-4-

    • The given toy is emitting light for it's own so it is a luminous object.

    Grade-4-
    science

    A pie is _____.

    • The given object is non luminous.
    • It is not emitting light for it's own.

    A pie is _____.

    scienceGrade-4-

    • The given object is non luminous.
    • It is not emitting light for it's own.

    Grade-4-
    science

    Identify the following object as luminous and/or non-luminous.

    • The mug is a non luminous object as it doesn't emit light for it's own.

    Identify the following object as luminous and/or non-luminous.

    scienceGrade-4-

    • The mug is a non luminous object as it doesn't emit light for it's own.

    parallel
    Grade-4-
    science

    The process of light bouncing off surfaces of objects is called ______.

    • Reflection of light is necessary to see any object.

    The process of light bouncing off surfaces of objects is called ______.

    scienceGrade-4-

    • Reflection of light is necessary to see any object.

    Grade-4-
    science

    Which of the following objects is non-luminous? 

    • Chair doesn't emit light for it's own so it is a non luminous object.
    • Other the three options are images of luminous objects.

    Which of the following objects is non-luminous? 

    scienceGrade-4-

    • Chair doesn't emit light for it's own so it is a non luminous object.
    • Other the three options are images of luminous objects.

    Grade-4-
    science

    Pick the odd one out

    • All the other three options are non luminous objects i.e tree, table and the toy. As these are not light emitting objects.
    • The option a is containing image of tube lights which are emitting light for their own and hence are called luminous objects.

    Pick the odd one out

    scienceGrade-4-

    • All the other three options are non luminous objects i.e tree, table and the toy. As these are not light emitting objects.
    • The option a is containing image of tube lights which are emitting light for their own and hence are called luminous objects.

    parallel
    Grade-4-
    science

    Pick the odd one out

    • Option b has image of moon which doesn't emit light for it's own so it is a luminous object.
    • Other the three options have luminous objects which don't emit light for their own.

    Pick the odd one out

    scienceGrade-4-

    • Option b has image of moon which doesn't emit light for it's own so it is a luminous object.
    • Other the three options have luminous objects which don't emit light for their own.

    Grade-4-
    science

    The toy car shown below is ____.

    • The toy car given in the image is not emitting light for it's own so it is a non luminous object.

    The toy car shown below is ____.

    scienceGrade-4-

    • The toy car given in the image is not emitting light for it's own so it is a non luminous object.

    Grade-4-
    science

    A water bottle is ____

    • A water bottle doesn't emit light for it's own means it needs light from another luminous object to be luminous so a water bottle is non luminous.

    A water bottle is ____

    scienceGrade-4-

    • A water bottle doesn't emit light for it's own means it needs light from another luminous object to be luminous so a water bottle is non luminous.

    parallel

    card img

    With Turito Academy.

    card img

    With Turito Foundation.

    card img

    Get an Expert Advice From Turito.

    Turito Academy

    card img

    With Turito Academy.

    Test Prep

    card img

    With Turito Foundation.