Cosmic 350

1. The angle of contact between pure glass and pure water
7. Vectors lying in the same or parallel to the same plane are called
9. The main function of a transistor
11. What is the process of two atomic nuclei combining to form a heavier nucleus?
14. What proves that electromagnetic waves are transverse?
15. A star that suddenly becomes much brighter before fading
16. Dimensions of kinetic energy is the same as that of
19. What is the point at which an object’s potential energy is at its minimum?
20. A pattern of stars that resembles a hunter

2. If a glass prism is dipped in water, what happens to its dispersive power
3. This increases when light is refracted
4. Satellites used for communication purposes
5. In a streamline, the velocity of all fluid particles crossing a given position
6. Infrared radiation is detected by
8. A massive explosion at the end of a star’s life
10. Waves that can be polarized
12. An isotope of _____ is used for nuclear chain reactions
13. Waves having the maximum frequency
17. Impulse is a _____ quantity
18. Rays used to investigate the structure of solids