हिंदी
सी.आई.एस.सी.ई.आईसीएसई ICSE Class 8

Name the kind of mirror used to obtain(a) a real and enlarged image(b) a virtual ard enlarged image(c) a real and diminished image, and(d) a virtual and diminished image.

Advertisements
Advertisements

प्रश्न

Name the kind of mirror used to obtain
(a) a real and enlarged image
(b) a virtual and enlarged image
(c) a real and diminished image, and
(d) a virtual and diminished image.

एक शब्द/वाक्यांश उत्तर
Advertisements

उत्तर

a) Concave

b) Concave

c) Concave

d) Convex

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 5: Light Energy - Short/long Answer Question [पृष्ठ १०१]

APPEARS IN

सेलिना Concise Physics [English] Class 8 ICSE
अध्याय 5 Light Energy
Short/long Answer Question | Q 50 | पृष्ठ १०१

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.


We can obtain an enlarged and erect image by a convex mirror.


What is the name of the phenomenon in which the right side of an object appears to be the left side of the image in a plane mirror?


Write true or false 

A virtual image formed by a spherical mirror is always erect and situated behind the mirror.


State the number of images of an object placed between two mirrors, formed in each case when mirrors are inclined to each other at (a) 90°, and (b) 60°.


The diagram below in Figure, shows a convex mirror. C is its centre of curvature and F is its focus. (i) Draw two rays from A and hence locate the position of image of object OA. Label the image IB. (ii) State three characteristics of the image.


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.

  1. Where will the image form?
  2. What will be the length of image?

An object 5 cm high is placed at a distance 60 cm in front of a concave mirror of focal length 10 cm. Find the position and size of the image. 


An object of height 2 cm is placed at a distance of 20 cm in front of a concave mirror of a focal length of 12 cm. Find the position, size, and nature of the image.


The minimum length of the mirror required to see the full image of the person is half ‘ of his height.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×