7.
For the measurement of varying temperature we use
Answer : A. Mercury thermometer
8.
The instrument used to measure the intensity of ionization of radiation is
Answer : A. Geiger counter
9.
The instrument used to test the purity of milk is
Answer : C. Lactometer
10.
The instrument which is used to measure the current flow through a circuit is
Answer : B. Ammeter
11.
MAtch List I correctly with List II and select your answer using the codes given below:
Answer : B. a-3 ,b-4 ,c-1 ,d-2
12.
which one of the following is correctly matched?
Answer : A. Anemometer- speed and velocity of wind