PUMPA - SMART LEARNING

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

Book Free Demo
1. Sivarajan placed a meter stick in the playground at 7.00 am in the morning. How will the shadow of the stick at noon look in comparison to the one in the morning
2. The image formed by a pinhole camera is inverted because, 
3. Which of the following facts explain how shadows are formed?
a. Light travels in straight lines
b. Opaque bodies do not allow light to pass through them
c. Reflection occurs at a smooth surfaces like mirrors d. Lateral inversion happens