May 31, 2003

1. Name the instrument that is used for measuring the brightness of colours.

2. Name the instrument used for measuring the refractive index of a medium.

3. What is the name of the instrument that converts mechanical energy into electrical energy?

4. Name the instrument used for measuring ocean’s depth.

5. Do you know what a ‘Katheometer’ is used for measuring?

6. What is the instrument ‘Altimeter’ used for?

7. Name the instrument that is used for measuring electric current.

8. Name the instrument that is used for measuring altitudes and angles in navigation and astronomy.

9. What is the name given to the instrument that detects the presence of a radioactive substance?

10. What is the name of the instrument in a highly accurate clock that is used in astronomical observations and other precision work?
 

ANSWERS:

1. Chromometer

2. Refractometer

3. Dynamo

4. Fathometer

5. The thermal conductivity of gases

6. Altitude

7. Galvanometer

8. Quadrant

9. Geiger counter

10. Quartz clock

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