Popular Questions
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- 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..
- 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..
- Which curve shows the rise of temperature with the amount of heat supplied, for a piece of ice?
- 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..
- 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,
- 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 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 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 ..
- 250 g of water and equal volume of alcohol of mass 200 g are replaced successively in the same calorimeter and cool from 60° to..
- When the room temperature becomes equal to the dew point, the relative humidity of the room is
- The relative humidity on a day when partial pressure of water vapour is 0.012 * 105 Pa at 12 degree C is (take, vapour pressure of..
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- 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..
- Two rods (one semicircular and other straight) of same material and of same cross-sectional area are joined as shown in the figure..
- Two wires are made of the same material and
- Two wires are made of the same material and
- Two wires are made of the same material and have
- A wooden wheel of radius R is made of two
- The pressure that has to be applied to.the
- A pendulum made of a. uniform wire of cross
- A pendulum clock loses 12s a day if the temperature
- An external pressure P is applied on a cube at
