PUMPA - SMART LEARNING

எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

Book Free Demo
  1. Fix a concave mirror on a stand and place it on a table.
  2. Paste a piece of white paper on a cardboard sheet (say about \(15\ cm\) \(×\) \(10\ cm\)) as a screen.
  3. Keep a lighted candle on the table at a distance of about \(50\ cm\) from the mirror.
  4. Try to obtain the image of the flame on the screen.
  5. For this, move the screen till a sharp image of the flame is obtained.
  6. Make sure that, the screen does not obstruct the light from the candle falling on the mirror.
Is the image real or virtual?
 
The image is .
 
Is it of the same size as the flame?
 
The image formed will be .
 
Now move the candle towards the mirror and place it at different distances from it. In each case try to obtain the image on the screen. Record your observation in the table below.
 
Distance of the
object
from the mirror
Smaller/
larger than
the object
Inverted / erect
Real / virtual
\(50\ cm\)
 
 
 
\(40\ cm\)
 
 
 
\(30\ cm\)
 
 
 
\(20\ cm\)
 
 
 
\(10\ cm\)
   
\(5\ cm\)
   

Is it possible to obtain the image on the screen when the candle is too close to the mirror?
 
, the image will be when the candle is too close to the mirror.