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Popular Questions
- Infrared radiations are detected by
- Surface of the lake is at 2°C
- Water is heated from 0°C to 10°C, then its volume
- The temperature on celcius scale is 25° C
- A metal rod of Youngs modulus Y and coefficient of thermal expansion α is held at its two ends such that its length remains inv..
- On Centigrade scale, the temperature of a body increases by 30. The increase in temperature on Fahrenheit scale is
- Two rods (one semicircular and other straight) of same material and of same cross-sectional area are joined as shown in the figure..
- The readings of a constant volume gas thermometer at 0 °C and 100 °C are 40 cm and 60 cm of mercury respectively. If its rea..
- A metal rod of Youngs modulus Y and coefficient of thermal expansion α is held at its two ends such that its length remains inv..
- In an experiment, on the specific heat of a metal, a 0.20 kg block of the metal at 150 degree C is dropped in a copper calorimeter..
- A pendulum clock lose 12 s a day if the temperature is 40°C
- A scientist proposes a new temperature scale in which the ice point in 25 X (X is the new unit of temperature) and the steam point..
- A copper block of mass 4 kg is heated in a furnance to a temperature 425 degree C and then placed on a large ice block. The mass o..
- The wooden wheel of radius R is made of two semicircular parts (see figure). The two parts are held together by a ring made of a m..
- The temperature of equal masses of three different liquids A, B and C are 12 degree C, 19 degree C and 28 degree C respectively. T..
- A pendulum made of a. uniform wire of cross
- The resistance of the wire in the platinum resistance thermometer at ice point is 5 Ω and at steam point is 5.25 Ω . When th..
- Mercury boils at 367°C. However, mercury thermometers are made such that they can measure temperature upto 500°C. This is do..
- In a mercury thermometer, the ice point (lower fixed point) is marked as 10°C and the steam point (upper fixed point) is marked..
- A steam at 100 degree C is passed into 1 kg of water contained in a calorimeter of water equivalent 0.2 kg at 9 degree C till the ..
- There is some change in length when a 33000 N tensile force is applied on a steel rod of area of cross-section 10^-3 m^2. The chan..
- On a new scale of temperature (which is linear) and called
- The pressure that has to be applied to.the
- A solid ball of metal has a concentric spherical cavity within it
- Two solid spheres of the same material have the same radius
- The coefficient of volume expension of a liquid is
- The temperature of a body on Kelvin scale is found to be x
- An iron bar of length l and having a cross-section A is
- Two rods, one of aluminum and the other made of steel
- In a mercury thermometer the ice point (lower fixed point) is mark as
- When a bimetallic strip is heated, it
- The absolute zero temperature in Fahrenheit scale is
- On centigrade scale the temperature of a body increases by
- When the room temperature becomes equal to the dew point, the relative humidity of the room is
- At what temperature the centigrade (Celcius) and Fahrenheit, reading are the same
- A constant volume gas thermometer shows pressure reading of 50cm and 90cm of mercury at
- A composite rod made of copper (a=1.8 × 10^=5 K^1 ) and steel (a =1.2 × 10^-5 K^-1 ) is heated. Then,
- The coefficient of apparent expansion of a liquid when
- If mass energy equivalence is taken into account, when water is cooled to form ice, the mass of water should
- Work done is converting 1 g of ice at -10 degree C into steam at 100 degree C is
