Advertisements
Advertisements
प्रश्न
Who am I?
I make things hot or cold.
उत्तर
I make things hot or cold- Temperature
संबंधित प्रश्न
Write down the temperature of the lower fixed point on the Fahrenheit scale.
What is the Fahrenheit scale of temperature ?
Name the one common unit of temperature. Write their symbols also.
Explain the construction of a calorimeter. Draw the necessary figure.
When a substance having mass 3 kg receives 600 cal of heat, its temperature increases by 10∘C. What is the specific heat of the substance?
Calorie is the unit of :
What is the principle of calorimetry?
What is the unit of coefficient of linear expansion?
What is the unit of coefficient of volume expansion?
What is meant by the lower and upper fixed points of a thermometer?
State one use of each of the following type of thermometer:
Laboratory thermometer
State one use of each of the following type of thermometer:
Six's maximum and minimum thermometer.
Convert the following temperature into Celsius scale:
113oF
Out of metals, liquids, and gases:
Which one is worst conductor of heat?
Give reason for the following
The electric wire which sag in summer become straight in winter.
What is temperature?
Numerical Problems.
An iron ball requires 1000 J of heat to raise its temperature by 20°C. Calculate the heat capacity of the ball.
Thermal energy always flows from a system at higher temperature to a system at lower temperature.
