Physics Quiz 3

Physics Quiz 3

1. ML2T-2 is the dimensional formula for





2. Rainbow is due to





3. Mach number is used in connection with the speed of





4. Light from the star, Alpha Centauri, which is nearest to the earth after the sun, reaches the earth in





5. Mercury is commonly used as a thermometric fluid rather than water because





6. Stars which appear single to the naked eye but are double when seen through a telescope are





7. On a stationary sail boat, air is blown from a fan attached to the boat. The boat





8. Supersonic plane fly with the speed





9. Optical fibre works on the





10. Out of the following pairs, which one does not have identical dimension?