science
Grade-7
Easy
Question
A light ray traveling through water enters air. It ___.
- Goes along the normal
- Bends towards the normal
- Bends away from the normal
- Goes along the interface
Hint:
Rarer to denser
The correct answer is: Bends away from the normal
- Light bends away from the normal when it enters rarer medium from denser medium.
- When a ray of light travels from water into air, it bends away from the normal.
- So, the correct option is c.
Related Questions to study
science
A light ray traveling through air enters a glass slab. It ___.
A light ray traveling through air enters a glass slab. It ___.
scienceGrade-7
science
____ is a cuboidal piece of glass.
____ is a cuboidal piece of glass.
scienceGrade-7
science
A beam of light enters the air from a magnifying glass. It ___.
A beam of light enters the air from a magnifying glass. It ___.
scienceGrade-7
science
A coin is lying at the bottom of a tumbler filled with water. How many mediums does the light from the coin go through to reach the eyes of the observer?
A coin is lying at the bottom of a tumbler filled with water. How many mediums does the light from the coin go through to reach the eyes of the observer?
scienceGrade-7
science
The actual tip of a pencil lies at the bottom of a tumbler filled with water. However, its position appears to be raised because ___.
The actual tip of a pencil lies at the bottom of a tumbler filled with water. However, its position appears to be raised because ___.
scienceGrade-7
science
Pick the odd one out.
Pick the odd one out.
scienceGrade-7
science
An eye lens ____ light in order to focus an image on the retina.
An eye lens ____ light in order to focus an image on the retina.
scienceGrade-7
science
Observe the picture below which shows a man aiming at a fish under water. Which of the following statements is correct?
Observe the picture below which shows a man aiming at a fish under water. Which of the following statements is correct?
scienceGrade-7
science
Which of the following does not refract light?
Which of the following does not refract light?
scienceGrade-7
science
A light ray traveling through air enters a pond. It ___.
A light ray traveling through air enters a pond. It ___.
scienceGrade-7
science
A light ray traveling through a glass slab enters the air. It ___.
A light ray traveling through a glass slab enters the air. It ___.
scienceGrade-7
science
A light ray traveling through air enters a magnifying glass. It ___.
A light ray traveling through air enters a magnifying glass. It ___.
scienceGrade-7
science
A coin lies at the bottom of the tumbler with water. However, its position appears to be raised because ___.
A coin lies at the bottom of the tumbler with water. However, its position appears to be raised because ___.
scienceGrade-7
science
The angle between the incident ray and the emergent ray for refraction through a glass slab is ___ degrees.
The angle between the incident ray and the emergent ray for refraction through a glass slab is ___ degrees.
scienceGrade-7
science
A pencil dipped inside a tumbler with water appears to be bent. How many mediums does the light from the pencil go through to reach the eyes of the observer?
A pencil dipped inside a tumbler with water appears to be bent. How many mediums does the light from the pencil go through to reach the eyes of the observer?
scienceGrade-7