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Consider the figures of a metal ball and a metal ring given below-

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The metal ball can just pass through the hole of a metal ring formed out of a strip. When the ball is heated it gets stuck but when the metal rings are heated, _____.

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Important Questions on Physics

EASY
General Studies>General Science>Physics>Heat and Thermodynamics
At what temperature does iron melt?
EASY
General Studies>General Science>Physics>Heat and Thermodynamics
The difference in temperature between the two bodies is 30 degrees centigrade. What is the difference in degrees Fahrenheit?
EASY
General Studies>General Science>Physics>Heat and Thermodynamics
Iron boils at about _____ degree Celsius.
EASY
General Studies>General Science>Physics>Heat and Thermodynamics
What will happen if a glass bottle is completely filled with water, sealed with a lid and put into a freezer?
MEDIUM
General Studies>General Science>Physics>Heat and Thermodynamics
The linear expansion of a solid rod is independent of its _____.
EASY
General Studies>General Science>Physics>Heat and Thermodynamics
The sun heats the earth through:
EASY
General Studies>General Science>Physics>Heat and Thermodynamics
There are some plastics that when moulded once cannot be softened by heating. These are called _____.
EASY
General Studies>General Science>Physics>Heat and Thermodynamics
What is the boiling point of water at sea level?
EASY
General Studies>General Science>Physics>Heat and Thermodynamics
Temperature is measured by the instrument called:
EASY
General Studies>General Science>Physics>Heat and Thermodynamics
Which one of the following is a bad Thermal Conductor?
EASY
General Studies>General Science>Physics>Heat and Thermodynamics
Which of the following is also called the First Law of Thermodynamics?
EASY
General Studies>General Science>Physics>Heat and Thermodynamics
During summer, water kept in an earthen pot becomes cool because of the phenomenon of:
EASY
General Studies>General Science>Physics>Heat and Thermodynamics
Heat, in _____, is a type of energy transfer from a warmer substance to a colder one.
EASY
General Studies>General Science>Physics>Heat and Thermodynamics
Which chemical law proposes that 'soft drinks and soda bottles are sealed under high pressure to
increase the solubility of 'CO2'?

 

MEDIUM
General Studies>General Science>Physics>Heat and Thermodynamics
Which of the following is a process in which hot, less dense materials rise upward and are replaced by colder, more dense materials?
MEDIUM
General Studies>General Science>Physics>Heat and Thermodynamics
What is the boiling point at standard atmospheric pressure at sea-level and 45° latitude of water on the Celsius scale?
EASY
General Studies>General Science>Physics>Heat and Thermodynamics
The lowest temperature at which a substance catches fire is called its_____.
EASY
General Studies>General Science>Physics>Heat and Thermodynamics
_____ expansion makes the Eiffel Tower taller during summers.
EASY
General Studies>General Science>Physics>Heat and Thermodynamics
Temperature is measured by the instrument called _____.
EASY
General Studies>General Science>Physics>Heat and Thermodynamics

The instrument used to regulate temperature to a particular degree is called:

1. Thermostat

2. Thermometer

3. Pyrometer

4. Thermocouple