Advertisements
Advertisements
प्रश्न
Name the spherical mirror which can produce a real and diminished image of an object.
Advertisements
उत्तर
Only a concave mirror can produce a real and diminished image of an object.
संबंधित प्रश्न
One half of a convex lens of focal length 10 cm is covered with a black paper. Can such a lens produce an image of a complete object placed at a distance of 30 cm from the lens? Draw a ray diagram to justify your answer. A 4 cm tall object is placed perpendicular to its principal axis of a convex lens of focal length 20 cm. The distance of the object from the lens is 15 cm. Find the nature, position and the size of the image.
Explain the following term related to spherical lenses:- centres of curvature
Explain the following term related to spherical lenses: focal length
What kind of mirror is required for obtaining a virtual image of the same size as the object?
Write true or false
A virtual image formed by a spherical mirror is always erect and situated behind the mirror.
What is a spherical mirror?
Three mirrors are created from a single sphere. Which of the following - pole, centre of curvature, radius of curvature, principal axis - will be common to them and which will not be common?
Complete the following diagrams in Figure by drawing the reflected rays for the incident rays 1 and 2.
State whether the image in part (a) is real or virtual?
Name the kind of mirror used to obtain:
A virtual and diminished image
The image formed by a convex mirror is of size one third the size of object. How are u and v related?
An object of length 4 cm is placed in front of a concave mirror at distance 30 cm. The focal length of mirror is 15 cm.
- Where will the image form?
- What will be the length of image?
Choose the correct alternative and rewrite the following:
Mirror used by a dental surgeon is ..........................
Answer the following question.
Write the modification in the curvature of the eye lens which enables us to see the nearby objects clearly?
Select the correct option:
Looking into a mirror one finds her image diminished, the mirror is:
Select the correct option:
Which mirror is used in periscope?
Define the following term in relation to concave mirror.
Center of curvature
Define the following term in relation to concave mirror.
Focal length
Does the mirror name by your form a real image for all locations? Give a reason for your answer.
Define the term Aperture.
Complete the following diagrams shown in the below figure by drawing the reflected ray for each incident ray.
Define the term Normal.
The spherical mirror used in a beauty parlour as make-up mirror is _______.
An object is placed at a distance of 0.25 m
in front of a plane mirror. The distance between the object and image will be ______.
The radius of curvature of a spherical mirror is 18 cm. What is the focal length of this mirror?
For a spherical mirror, ______ is true.
Define the following terms in the context of a diverging mirror:
- Principal focus
- Focal length
Draw a labelled ray diagram to illustrate your answer.
