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