How many scales
are used to measure the temperature of a body?
a) two
b) three
c) four
d) five
Explanation:1. Kelvin scale, 2. Celsius scale and 3. Fahrenheit scale
To form a temperature scale, how many fixed or reference points are marked?
a) two
b) three
c) four
d) five
Explanation:1. Lower reference point and 2. Upper reference point
Which of the following is taken as lower reference point for making a temperature scale?
a) boiling point of water
b) melting point of ice
c) boiling point of alcohol
d) melting point of iron
Which of the following is taken as upper reference point for making a temperature scale?
a) boiling point of water
b) melting point of ice
c) boiling point of alcohol
d)melting point of iron
Kelvin Scale:
The kelvin, symbol K, is the primary unit of
temperature in the International System of Units, used alongside its prefixed
forms and the degree Celsius.
On Kelvin
scale, what is freezingpoint of water?
a) 0◦ K
b) 100◦ K
c) 273◦ K
d) 373◦ K
