English

The image formed by a concave mirror is of the same size as the object, if the object is placed - Physics

Advertisements
Advertisements

Question

The image formed by a concave mirror is of the same size as the object, if the object is placed

Options

  • at the focus

  • between the pole and focus

  • between the focus and centre of curvature

  • at the centre of curvature.

MCQ

Solution

at the centre of curvature.

shaalaa.com
  Is there an error in this question or solution?
Chapter 5: Light Energy - Objective Questions [Page 99]

APPEARS IN

Selina Concise Physics [English] Class 8 ICSE
Chapter 5 Light Energy
Objective Questions | Q 4.09 | Page 99

RELATED QUESTIONS

It is desired to obtain an erect image of an object, using concave mirror of focal length of 12 cm.

Where will the image of this object be, if it is placed 24 cm in front of the mirror? Draw ray diagram for this situation also justify your answer. Show the positions of pole, principal focus and the centre of curvature in the above ray diagrams


Name the mirror that can give an erect and enlarged image of an object.


A concave mirror produces three times magnified image on a screen. If the object is placed 20 cm in front of the mirror, how far is the screen from the object.


If an object is placed at a distance of 8 cm from a concave mirror of focal length 10 cm, discuss the nature of the image formed by drawing the ray diagram.


Draw a ray diagram showing how a concave mirror can be used to produce a real, inverted and diminished image of an object.


An object is placed 15 cm from (a) a converging mirror, and (b) a diverging mirror, of radius of curvature 20 cm. Calculate the image position and magnification in each case. 


Which of the following can make a parallel beam of light from a bulb falls on it?

(a) concave mirror as well as concave lens
(b) convex mirror as well as concave lens
(c) concave mirror as well as convex lens
(d) concave mirror as well as convex lens


Draw a ray diagram to show the formation of image of an object placed between the pole and focus of a concave mirror. State the position, size and nature of the image.


A student obtained a sharp image of the grills of a window on a screen using a concave mirror. His teacher remarked that for getting better results a well lit distant object (preferably the sun) should be focussed on the screen. What should be done for this purpose?

(A) Move the screen slightly away from the mirror

(B) Move the mirror slightly towards the screen

(C) Move the screen and the mirror away from the object

(D) Move the screen and the mirror towards the object


The image formed by concave mirror is real, inverted and of the same size as that of the object. The position of object should be ______.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×