EASY
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The reflecting rays meet on the principal axis of the mirror. This point is called the _____ of the concave mirror.

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Important Questions on Light- Reflection and Refraction

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Science>Physics>Light- Reflection and Refraction>Spherical Mirrors
A spherical mirror and a thin spherical lens each of focal length -10 cm are given. The mirror and lens are likely to be:
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Science>Physics>Light- Reflection and Refraction>Spherical Mirrors
Define the radius of curvature of the spherical mirror.
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Science>Physics>Light- Reflection and Refraction>Spherical Mirrors

What is meant by the pole of a spherical mirror?

MEDIUM
Science>Physics>Light- Reflection and Refraction>Spherical Mirrors

Correct relation between radius of curvature(R) and Focal length (F) of a spherical mirror is:

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Science>Physics>Light- Reflection and Refraction>Spherical Mirrors
Define the principal focus of a concave mirror.
MEDIUM
Science>Physics>Light- Reflection and Refraction>Spherical Mirrors
An object is placed at a distance of 10 cm. From a convex mirror of focal length 15 cm. The position and nature of the image are :
EASY
Science>Physics>Light- Reflection and Refraction>Spherical Mirrors
The distance between pole and principal focus of a spherical mirror is called
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Science>Physics>Light- Reflection and Refraction>Spherical Mirrors
The image formed by a concave mirror is observed to be virtual, erect and larger than the object. Where should be the position of the object?
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Science>Physics>Light- Reflection and Refraction>Spherical Mirrors
Define the centre of curvature of the spherical mirror?
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Science>Physics>Light- Reflection and Refraction>Spherical Mirrors
Define the focal length of a spherical mirror.
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Science>Physics>Light- Reflection and Refraction>Spherical Mirrors
A ray of light makes an angle of 50° with the surface S1 of the glass slab. Its angle of incidence will be 
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Science>Physics>Light- Reflection and Refraction>Spherical Mirrors
Define the radius of curvature of a spherical mirror.
MEDIUM
Science>Physics>Light- Reflection and Refraction>Spherical Mirrors

Observe the following diagram and answer the question given below

Question Image

Explain why a ray of light passing through the centre of curvature of a concave mirror gets reflected back along the same path.

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Science>Physics>Light- Reflection and Refraction>Spherical Mirrors
_____ is located behind a convex mirror :
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Science>Physics>Light- Reflection and Refraction>Spherical Mirrors
At focus F and between F and 2F, a concave mirror always forms a
HARD
Science>Physics>Light- Reflection and Refraction>Spherical Mirrors

A concave mirror of focal length 15cm forms an image. The position of the object when the image is virtual and linear magnification is 2 is.

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Science>Physics>Light- Reflection and Refraction>Spherical Mirrors
An object is placed 5 cm in front of convex mirror whose radius of curvature is 3 cm. Find the position and nature of image.
MEDIUM
Science>Physics>Light- Reflection and Refraction>Spherical Mirrors

What will be the angle of incidence when a ray of light passes through the centre of curvature of a concave mirror?

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Science>Physics>Light- Reflection and Refraction>Spherical Mirrors
Does focal length of a spherical mirror changes when it is completely immersed in water? Predict and write the reason.
MEDIUM
Science>Physics>Light- Reflection and Refraction>Spherical Mirrors

A student holding a mirror in his hand, directed the reflecting surface of the mirror towards the Sun. He then directed the reflected light on to a sheet of paper held close to the mirror.

Will he be able to determine the approximate value of focal length of this mirror from this activity ? Give reason and draw ray diagram to justify your answer in this case.