1. A clear liquid in front of the lens maintaining the shape of the cornea in the eye is called _______.
2. The form of energy that is obtained from the flow of electric current is called ______
3. The SI unit of Electrical energy is ______
4. Which of the following is not a source of light ?
5. Which of the following is a source of electrical energy ?
6. Light travel in ________
7. The bouncing back of light from a polished surface is called ________.
8. The law of reflection states that:
9. The 2nd law of refraction is also known as ________.
10. The angle between the incident ray and the normal is called _______.
