'परम शून्य ताप' (Absolute Zero Temperature) क्या है?
What is 'Absolute Zero Temperature'?
Comprehensive collection of questions from General Science asked in recent state service examinations. Each question is verified with official answer keys and step-by-step bilingual solutions.
What is 'Absolute Zero Temperature'?
A room can be cooled by -
To maintain the temperature of beverages inside a thermos flask, its internal walls are coated with a layer of -
When soggy biscuits are kept inside a refrigerator for some time, they become crisp because -
Water in an earthen pot remains cool due to which of the following processes?
If the temperature of air increases, its capacity to absorb water vapour -
On a particular day and time, the temperature in Churu was 48°C and in Shimla was 24°C. Two identical metal cups containing water were kept at 95°C in Churu and 71°C in Shimla. Which of the two cups reached room temperature first?
A thermostat is related to -
A thermostat is a device for maintaining constant _____________?
Assertion (A): Large cold storage plants use ammonia as a refrigerant, whereas domestic refrigerators used chlorofluorocarbons (CFCs). Reason (R): Ammonia can be liquefied at ambient temperatures and low pressures. Code:
Consider the following statements - Assertion (A): Space-Based Solar Power (SBSP) should be made a national goal. Reason (R): The availability of SBSP is unhindered 99% of the year besides being abundant. Select the correct answer using the codes given below -
A metal sphere just passes through a circular hole in a metal ring. If the sphere is heated, it gets stuck, but if the metal ring is heated -
Under which of the following atmospheric conditions will wet clothes dry fastest?
Water loss through sweating from the body surface depends upon -
Assertion (A): A black hole is an astronomical entity that cannot be seen by a telescope. Reason (R): The gravitational field on a black hole is so strong that it does not allow even light to escape. Which of the following is correct regarding the statements above?
Dew is not formed on nights with strong winds because -
Cooling by a desert cooler is based on -
Wearing white clothes in summer is more comfortable because -
Assertion (A): A piece of ice cools a beverage. Reason (R): Ice absorbs latent heat from the beverage for melting, thereby cooling the drink. Select the correct answer from the code given below:
Two strips of different metals A and B are riveted together to form a bimetallic strip. On heating, metal A expands more than metal B. If this composite strip is heated, what shape will it assume?
When common salt is dissolved in water, the boiling point and freezing point of water will -
A thermostat is an apparatus which -
An air conditioner installed in a room controls -
At what temperature do the Celsius and Fahrenheit temperature scales read the same value?
In cold countries, alcohol is preferred over mercury as a thermometric liquid because -