Physics Crossword

1. It is a straight line perpendicular to the refracted surface
5. Meter, The unit of moment of a force
7. An upward force exerted by a fluid
8. It denoted shrillness or flatness of a sound
9. Splitting of light into various components
10. Image, Image which can be obtained on a screen
11. The Device used for measuring atmospheric pressure
12. Rate at which work is done or transmitted
14. It occurs when the partial pressure of vapour is lesser than the equilibrium vapour pressure
17. Materials which absorb the sound vibrations falling on them and prevent echoes
19. The capacity to do work
22. Mass per unit volume
23. The point at which the principal axis touches the mirror surface

2. Objects which produce lights of their own
3. It is rapid process
4. expansion, Increase in length due to thermal expansion
6. It is a device based on principle of floatation to read the relative density of the liquid
10. It is formed due to refraction of sunlight by water droplets in the atmosphere
13. It refers to a sound which has single frequency and does not vary
15. Force per unit area
16. An activity involving a force and movement in the direction of force
18. Dryer, A device which uses hot air to dry vegetables and grains
20. , The hot and glowing state of matter
21. SI unit of frequency