science
Grade-4-
Easy
Question
Pick the odd one out
Hint:
- The objects which emit light for their own are known as luminous objects and the others are non luminous objects.
The correct answer is:
Option a
- Option a having image of tube lights which are luminous objects but other three objects are non luminous.
- 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.
Related Questions to study
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.
science
Mark the following as true or false.
1. True
2. False
The object shown below is non-luminous.
- The image given in the question have fruits and vegetables which are non luminous.
- Luminous objects emit light on their own.
- As fruits and vegetables don't emit light on their own these are non luminous objects.
Mark the following as true or false.
1. True
2. False
The object shown below is non-luminous.
scienceGrade-4-
- The image given in the question have fruits and vegetables which are non luminous.
- Luminous objects emit light on their own.
- As fruits and vegetables don't emit light on their own these are non luminous objects.
Physics
When light strikes an object, it may be ________.
When light strikes an object, it may be ________.
PhysicsGrade-6
Physics
In the figure given below, a narrow beam of white light is shown to pass through a triangular glass prism. After passing through the prism, it produces a spectrum, out of which the YX band is selected as shown on the screen. Which of the following can be X and Y?
In the figure given below, a narrow beam of white light is shown to pass through a triangular glass prism. After passing through the prism, it produces a spectrum, out of which the YX band is selected as shown on the screen. Which of the following can be X and Y?
PhysicsGrade-6
Physics
Different wavelengths are refracted by the _________.
Different wavelengths are refracted by the _________.
PhysicsGrade-6
Physics
Choose the correct descending order of the arrangement of the colors of light in a prism.
A. Red
B. Blue
C. Violet
D. Green
Choose the correct descending order of the arrangement of the colors of light in a prism.
A. Red
B. Blue
C. Violet
D. Green
PhysicsGrade-6
Physics
Which of the following colors of white light is deviated the most by the prism?
Which of the following colors of white light is deviated the most by the prism?
PhysicsGrade-6
Physics
Which of the following processes is responsible for splitting white light into its constituent colors when it is passed through a raindrop?
Which of the following processes is responsible for splitting white light into its constituent colors when it is passed through a raindrop?
PhysicsGrade-6
Physics
In a medium, the wavelength of light is maximum for the color _________.
In a medium, the wavelength of light is maximum for the color _________.
PhysicsGrade-6
Physics
In a medium, the speed of light is minimum for the color _________.
In a medium, the speed of light is minimum for the color _________.
PhysicsGrade-6
Physics
Which of the following is the reason for dispersion?
Which of the following is the reason for dispersion?
PhysicsGrade-6
