EASY
Earn 100
On an X temperature scale, water freezes at –125.0° X and boils at 375.0° X. On a Y temperature scale, water freezes at –70.0° Y and boils at –30.0° Y. The value of temperature on X-scale equal to the temperature of 50.0°Y on Y-scale is
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Important Questions on Thermal Properties of Matter
MEDIUM
The linear expansion of a solid rod is independent of its _____.
EASY
The instrument used to regulate temperature to a particular degree is called:
1. Thermostat
2. Thermometer
3. Pyrometer
4. Thermocouple
EASY
Temperature is measured by the instrument called _____.
HARD
The figure that is not a direct manifestation of the quantum nature of atom is :
HARD
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
EASY
Which one of the following is a bad Thermal Conductor?
EASY
During summer, water kept in an earthen pot becomes cool because of the phenomenon of:
EASY
There are some plastics that when moulded once cannot be softened by heating. These are called _____.
EASY
The SI unit of mechanical equivalent of heat is
EASY
At what temperature do the Fahrenheit and Celcius scales of temperature coincide?
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
_____ expansion makes the Eiffel Tower taller during summers.
EASY
Temperature is measured by the instrument called:
EASY
The difference in temperature between the two bodies is degrees centigrade. What is the difference in degrees Fahrenheit?
EASY
The sun heats the earth through:
EASY
Which chemical law proposes that 'soft drinks and soda bottles are sealed under high pressure to
increase the solubility of 'CO2'?
EASY
Pyrometer is a device for measuring
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?
