Ray Diagrams for Concave Mirror

IMPORTANT

Important Questions on Ray Diagrams for Concave Mirror

MEDIUM
IMPORTANT

To form the image on the object itself, how should we place the object in front of a concave mirror? Explain with a ray diagram.

MEDIUM
IMPORTANT

Show the formation of image with a ray diagram when an object is placed on the principal axis of a concave mirror away from the centre of curvature.

MEDIUM
IMPORTANT

Draw suitable rays by which we can guess the position of the image formed by a concave mirror.

MEDIUM
IMPORTANT

Draw a ray diagram to show the process of converging of the parallel beam by a concave mirror by taking four parallel incident rays.

EASY
IMPORTANT

Write the answer to the following question based on the data given in the table below.

  Position of the object    Position of the image    Enlarged/ diminished    Erect/ inverted    Real/ virtual
Between mirror and F Behind the mirror Enlarged Erect Virtual
On focal point At infinity      -    -    -
Between F and C Beyond C Enlarged Inverted Real
On centre of curvature On C Same size Inverted Real
Beyond C Between F and C Diminished Inverted Real

If the centre of curvature of a concave mirror is 10 cm, where the object should be placed to get an image at centre of curvature?

EASY
IMPORTANT

Write the answer to the following question based on the data given in the table below.

  Position of the object    Position of the image    Enlarged/ diminished    Erect/ inverted    Real/ virtual
Between mirror and F Behind the mirror Enlarged Erect Virtual
On focal point At infinity      -    -    -
Between F and C Beyond C Enlarged Inverted Real
On center of curvature On C Same size Inverted Real
Beyond C Between F and C Diminished Inverted Real

In which situation inverted images formed by a concave mirror?

MEDIUM
IMPORTANT

How do you form a diminished image by a concave mirror on a screen?

EASY
IMPORTANT

Write the answer to the following question based on the data given in the table below.

  Position of the object    Position of the image    Enlarged/ diminished    Erect/ inverted    Real/ virtual
Between mirror and F Behind the mirror Enlarged Erect Virtual
On focal point At infinity      -    -    -
Between F and C Beyond C Enlarged Inverted Real
On centre of curvature On C Same size Inverted Real
Beyond C Between F and C Diminished Inverted Real

What changes will come gradually in the size of an image, when we move an object away from the concave mirror?

MEDIUM
IMPORTANT

How do you get a virtual image using a concave mirror?

MEDIUM
IMPORTANT

Find the distance of the image (in cm) when an object is placed on the principal axis at a distance of 10 cm in front of a concave mirror whose radius of curvature is 8 cm.

Give the solution with two decimal places.

MEDIUM
IMPORTANT

How do you find the focal length of a concave mirror?

MEDIUM
IMPORTANT

An object is placed at a distance of 10 cm from a convex mirror of focal length 15 cm. Find the position and nature of the image.

MEDIUM
IMPORTANT

A convex mirror with a radius of curvature of 3 m is used as rear-view in an automobile. If a bus is located at 5 m from this mirror, find the position, nature and size of the image.

MEDIUM
IMPORTANT

How do you appreciate the use of reflection of light by a concave mirror in making of TV antenna dishes?

EASY
IMPORTANT

How will our image be in concave and convex mirrors?

MEDIUM
IMPORTANT

Do you get an image when object is placed at F of a concave mirror? Draw a ray diagram. 

MEDIUM
IMPORTANT

How can one see an image formed on the object itself?