"Physics 2": HTML5 Crossword

Across

2. In a shop, people use a _____ mirror as surveillance mirror as it provides wider field of view. (6)
3. If the light rays are reflected off a rough surface, _____ reflection occurs. No image is formed. (8)
5. When a beam of white light travels through a prism, it is split into a _____ of seven colours. (8)
7. An _____ object does not allow light to pass through it. (6)
8. The bending of light as it travels from one medium to another of a different density is known as _____. (10)
9. A _____ image cannot be captured on a screen. (7)
10. An electric _____ is the rate of flow of electric charges. (7)
11. _____ colours are formed by mixing primary colours, for example, cyan, magenta and yellow. (9)
12. _____ colours are basic colours which cannot be obtained by mixing other colours together, for example, red, green and blue. (7)
13. The splitting of white light as it passes through a prism is called _____. (10)
14. The bouncing of light rays off a surface is called _____. (10)
16. The SI unit of current is _____. (6)
17. When light is blocked by an opaque object, a _____ is formed. (6)
18. The anchor of a ship prevents the shop from drifting. It sinks in seawater because it has _____ density than seawater. (6)
19. Refraction occurs because light changes its _____ as it travels from one medium to another. (5)

Down

1. The _____ _____ flows from the positive terminal of a battery to the negative terminal. (12,7)
4. _____ mirror is used in a dance studio for dancers to check if their dance moves are correct. (5)
6. A _____ consists of a tube in which two plane mirrors are set up at 45° to the horizontal. It is used to see objects at elevated level. (9)
14. If the light rays are reflected off a smooth surface, _____ reflection occurs. A clear image is formed. (7)
15. Dentist uses a _____ mirror to have an enlarged view of our teeth. (7)