HARD
Earn 100
A certain liquid has a melting point of and a boiling point of . A thermometer is designed with this liquid and its melting and boiling points are designated at and . The melting and boiling points of water on this scale are
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Important Questions on Thermal Properties of Matter
EASY
Temperature is measured by the instrument called:
EASY
During summer, water kept in an earthen pot becomes cool because of the phenomenon of:
MEDIUM
The linear expansion of a solid rod is independent of its _____.
EASY
_____ expansion makes the Eiffel Tower taller during summers.
EASY
The SI unit of mechanical equivalent of heat is
HARD
The figure that is not a direct manifestation of the quantum nature of atom is :
EASY
Temperature is measured by the instrument called _____.
EASY
Which chemical law proposes that 'soft drinks and soda bottles are sealed under high pressure to
increase the solubility of 'CO2'?
EASY
At what temperature do the Fahrenheit and Celcius scales of temperature coincide?
EASY
Pyrometer is a device for measuring
MEDIUM
A thin paper cup filled with water does not catch fire when placed over a flame. This is because
MEDIUM
Solar energy is incident normally on the earth's surface at the rate of about . The distance between the earth and the sun is . Energy and mass are related by the Einstein equation, where is the speed of light in free space. The decrease in the mass of the sun is
EASY
The difference in temperature between the two bodies is degrees centigrade. What is the difference in degrees Fahrenheit?
EASY
Which one of the following is a bad Thermal Conductor?
EASY
There are some plastics that when moulded once cannot be softened by heating. These are called _____.
EASY
Which of the following is also called the First Law of Thermodynamics?
EASY
The sun heats the earth through:
EASY
The instrument used to regulate temperature to a particular degree is called:
1. Thermostat
2. Thermometer
3. Pyrometer
4. Thermocouple
EASY
Mercury is often used in clinical thermometers. Which one of the following properties of mercury is not a reason for this?
EASY
Ice is used in a cooler in order to cool its contents. Which of the following will speed up the cooling process?
