Measurement and effects of heat

The bulb and the part of liquid in the thermometer is filled with what?

• water

• mercury

• both 1 and 2

• none of the above

What is the boiling point of water in Fahrenheit?

• 273⁰F

• 232⁰F

• 212⁰F

• 221⁰F

Formula for calculating amount of heat is?

• Q = mcT

• Q = m / cT

• Q = mc (T2 – T1)

• Q = mc / T2−T1

Which thermometer does not work by the principle of expansion of the liquid due to heat ?

• Clinical Thermometer

• Digital Thermometer

• both 1 and 2

• None of the obve

What is the CGS unit of heat ?

• Joule

• Erg

• Calorie

• Newton

Which of the following effects of heat does a mercury thermometer work on?

• Expansion of gases.

• Expansion of liquids.

• Change of state.

• Anomalous behaviour.

One Calorie is equal to

• 4.18 J

• 1.48 J

• 8.14 J

• 4.81 J

Q is dependent on

• specific heat

• mass

• time

• temperatures

Which of the following is not an effect of heat?

• Expansion

• Contraction

• Change of state

• None of the above

CGS unit of specific heat is

• Joule/Kg Celsius

• Calorie/ Kg Celsius

• Calorie/ gm Celsius

• Calorie/ Kg Fahrenheit