Advertisements
Advertisements
प्रश्न
Assertion: When water is heated up to 100°C, there is no raise in temperature until all water gets converted into water vapour.
Reason: Boiling point of water is 10°C.
विकल्प
If both assertion and reason are true and reason is the correct explanation of assertion.
If both assertion and reason are true but reason is not the correct explanation of assertion.
If assertion is true but reason is false.
If assertion is false but reason is true.
Advertisements
उत्तर
If assertion is true but reason is false.
APPEARS IN
संबंधित प्रश्न
State the temperature of ice point on the Celsius scale.
The temperature of a body rises by 1°C. What is the corresponding rise on the (a) Fahrenheit scale (b) Kelvin scale?
Who is telling the truth?
Heat flows from an object at higher temperature to an object at lower temperature.
What must be the temperature in Fahrenheit so that it will be twice its value in Celsius?
A bridge is made from 20 m long iron rods. At temperature 18∘C, the distance between two rods in 0.4 cm. Up to what temperature will the bridge be in good shape?
At 0°C and 760 mm Hg pressure, a gas occupies a volume of 10Q cm3. The Kelvin temperature (Absolute temperature) of the gas is increased by one-fifth while the pressure is increased one and a half times. Calculate the final volume of the gas. [80 cc.]
What do you mean by heat?
State the types of thermal expansion. What is the relation between α and γ?
What is a bimetallic strip?
State one use of each of the following type of thermometer:
Six's maximum and minimum thermometer.
Explain the following:
In a solid, heat is not transferred by the process of convection.
Who am I?
I get heated due to the land or water near me
Explain with a diagram, the effect of the spherical shape of the earth on the temperature at different latitudes.
Thermal energy always flows from a system at higher temperature to a system at lower temperature.
For setting curd, a small amount of curd is added to warm milk. The microbes present in the curd help in setting if the temperature of the mixture remains approximately between 35°C to 40°C. At places, where room temperature remains much below the range, setting of curd becomes difficult. Suggest a way to set curd in such a situation.
Heat energy flows from a body at a low temperature to a body at a higher temperature.
Give reasons why –
chimneys are located high up in kitchens and factories
Give reasons why –
we wear woolen clothes in winter
What is the minimum possible temperature? Is there also a maximum possible temperature?
What will be the final temperature if 1,68,000 J of heat is absorbed by 2 kg of water at 30°C?
