CTET Sample paper for science

1. A device measuring temperatures at a distance

Ans: radiation pyrometer

2. The unit of universal gas constant is

Ans: joule/mole k

3. Focal length of concave mirror depends on

Ans: Radius of curvature

4. Tea will be hotter if prepared by boiling

Ans: River water

5. Max Plank is associated with

Ans: quantum theory

6. The unit of the intensity of electric field is

Ans: Newton/coulomb

7. The depolariser used in Lacanche cell is

Ans: Manganese dioxide

8. Cathode rays were first studied by:

Ans : W.D. Coolidge

9. Sound travel in air in the form of :

Ans: longitudinal elastic wave

10. A jet engine work on the principal of :

Ans: conservation of momentum

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