science
Grade-4-
Easy
Question
A lantern fish can be seen at night as it reflects light.
- True
- False
Hint:
- An object needs light to be visible and the light should be of another object or emitted by itself.
The correct answer is 'False'.
False
- A lantern fish can be seen at night because it emits light for it's own.
- 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.
Related Questions to study
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
science
Mark the following as true or false.
1. True
2. False
The object shown below is luminous.
- The given image is showing light emitting objects so the objects given are called as luminous objects.
Mark the following as true or false.
1. True
2. False
The object shown below is luminous.
scienceGrade-4-
- The given image is showing light emitting objects so the objects given are called as luminous objects.
science
Mark the following as true or false.
1. True
2. False
The object shown below is non-luminous.
- The object given in the image is emitting light and the light emitting objects are known as luminous objects.
Mark the following as true or false.
1. True
2. False
The object shown below is non-luminous.
scienceGrade-4-
- The object given in the image is emitting light and the light emitting objects are known as luminous objects.
