Question Detail

Atmospheric pressure is measured by

Tonometer
Pyrometer
Barometer
Thermometer

Answer: Option C

1. What is the range of mercury thermometer ?

0 degree Celsius to 350 degree Celsius
-10 degree Celsius to 350 degree Celsius
-20 degree Celsius to 350 degree Celsius
-30 degree Celsius to 350 degree Celsius

Answer: Option D

2. Which instrument is used to measure heat radiation ?

Radar
Salinometer
Refractometer
Radio micrometer

Answer: Option D

Explanation:

Radar - is used to detect the direction and speed of an object by means of radiowaves,

Salinometer - is used to determine salinity of solutions,

Refractometer - is used to measure refractive indices.

3. What is the maximum value of deforming force upto which a material shows elastic property and above which the material loses it ?

Elasticity
Strain
Elastic Limit
Stress

Answer: Option C

4. Orbital speed of a satellite is dependent of its mass.

True
False

Answer: Option B

Explanation:

Orbital speed of a satellite is independent of its mass.

5. Which is true

In a static liquid at same horizontal level, pressure is more at centre
In a static liquid at same horizontal level, pressure is less at centre.
In a static liquid at same horizontal level, pressure is same at all points
In a static liquid at same horizontal level, pressure is different at all points

Answer: Option C