Questions

Alcohol thermometer can measure the temperature on an ice but cannot measure the boiling point of water. Why?

Mention two reasons for using nichrome wire in electric heaters.

During the winter, animals sit into curl, why?

Differentiate: Clinical Thermometer and Laboratory Thermometer

Prove that heat loss or gain by an object is equal to the product of mass of object, specific heat capacity and change in temperature.

If three liquids A, B, and C having equal masses are taken in three same-sized beakers and exposed in sunlight. After 10 minutes the increased temperature in each is given in the table:

Liquid | Increased Temperature

A   |  10 ^oC

B   |  8 ^oC

C  |  6 ^oC

i) Which liquid has the highest specific heat capacity? Why?
ii) If all three liquids are heated to the same temperature and put in the same beakers separately. Which one cools down faster? Why?

Write the relation between heat gain or loss by a body with its surface area.

What is heat equation?

Write the boiling point and freezing point of mercury.

A hydraulic press is called a force multiplier. Why?