A pond of water appears less deep due to
1). reflection
2). diffraction
3). refraction
4). polarization
1. A ball rolling along the ground gradually slows down and finally comes to rest is due to ________.
3. Light beam which is highly directional is called:
4. What is the unit of the physical quantity "Inductance"?
5. Which of the following scientific discoveries was made by C.V. Raman?
7. Stars in the sky appear to twinkle due to
8. A body absorbs heat most if it is