English
Tamil Nadu Board of Secondary EducationSSLC (English Medium) Class 9

State whether true or false. If false, correct the statement. When an object is at the centre of curvature of concave mirror the image formed will be virtual and erect.

Advertisements
Advertisements

Question

State whether true or false. If false, correct the statement.

When an object is at the centre of curvature of concave mirror the image formed will be virtual and erect.

Options

  • True

  • False

MCQ
True or False
Advertisements

Solution

False.

Correct Statement: The image formed is real, inverted and same size of the object.

shaalaa.com
  Is there an error in this question or solution?
Chapter 6: Light - Exercise [Page 77]

APPEARS IN

Samacheer Kalvi Science [English] Class 9 TN Board
Chapter 6 Light
Exercise | Q II. 4. | Page 77

RELATED QUESTIONS

To construct ray diagrams, two rays of light are generally so chosen that it is easy to determine their directions after reflection from a mirror. Choose two such rays and state the path/direction of these rays after reflection from a concave mirror. Use these two rays to find the position and nature of the image of an object placed at a distance of 8 cm from a concave mirror of focal length 12 cm.


A spherical mirror produces an image of magnification -1.0 on a screen placed at a distance of 30 cm from the pole of the mirror.

(i) Write the type of mirror in this case.

(ii) What is the focal length of the mirror ?

(iii) What is the nature of the image formed ?

(iv) Draw the ray diagram to show the image formation in this case.


Which kind of mirror is used in the headlights of a car? Why is it used for this purpose?


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


A converging mirror forms a real image of height 4 cm of an object of height 1 cm placed 20 cm away from the mirror:

  1. Calculate the image distance.
  2. What is the focal length of the mirror?

Draw and complete the following diagrams to show what happens to the beams of light as they enter the glass block and then leave it:


Name the lens which can concentrate sun's rays to a point and burn a hole in a piece of paper. 


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


Concave mirrors are used by dentists to examine teeth. Why?


The concave reflecting surface of a torch got rusted. What effect would this have on the beam of light from the torch?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×