Question : Mercury is a:

Option 1: solid metal

Option 2: liquid metal

Option 3: Solid non-metal

Option 4: liquid non-metal

Question : An anemometer is an instrument meant for measuring

Option 1: Velocity

Option 2: Air Masses

Option 3: Wind Speed

Option 4: Temperature

Question : The instrument used for measuring air pressure is called

Option 1: Anemometer

Option 2: Barometer

Option 3: Hygrometer

Option 4: Thermometer

Question : Curie point is the temperature at which 

Option 1: Matter becomes radioactive

Option 2: A metal loses magnetic properties

Option 3: A metal loses conductivity

Option 4: Transmutation of metal coures

Question : The curved surface area and the volume of a cylindrical object are 88 cm² and 132 cm³, respectively. The height (in cm) of the cylindrical object is: (Take $\pi=\frac{22}{7}$ )

Option 1: $4 \frac{2}{3}$

Option 2: $4$

Option 3: $6$

Option 4: $3 \frac{2}{3}$