Thermal Properties of Matter questions
823 published questions with worked solutions.
- The surface temperature of the sun is about 6000°K. The sun's radiation has maximum energy at a wavelength of 0.5 . A certain...
- A black body emits radiation of maximum intensity an a wavelength of 5000 Å, when the temperature of the body is 1227°C If the...
- Solar radiation emitted by sun resembles that emitted by a black body at a wavelength of about 4800 Å. If the sun were to cool...
- As compared to a person with white skin another person with dark skin, will experience: [CPMT 1988]
- A hot body will radiate maximum energy if its surface is : [MNR 1992]
- If the maximum emission wavelengths of radiations emitted by moon and the sun are 10^ -4 m and 0.5 10^ -6 m respectively, then...
- Spectrum of a perfectly black body is :
- The black body at high temperature emits radiations of:
- The rate of cooling depends upon: 1) nature of radiating surface 2) area and mass of radiating body 3) area and mass of...
- Which of the following law states that _m is inversely proportional to absolute temperature?
- Wines displacement law is valid for:
- The wavelength of thermal radiation is:
- The frequency of thermal radiation is :
- Velocity of heat radiation is V and velocity of light is C they are related by :
- The wavelength _m corresponding to the maximum intensity:
- An ideal black body at room temperature is thrown in to a furnace it is observed that:
- A thin circular plate, a sphere and a cube of same mass and material are heated to 100°C temperature. Now if they are allowed to...
- The maximum wavelength of radiation emitted at 2000°k is 4 . What will be the maximum wavelength of radiation emitted at 2400°k?
- The maximum energy in the thermal radiation from hot source occur at a wavelength of 11 10^ -5 cm. According to Wiens law, the...
- A black body emites radiations of maximum intensity at a wavelength of 5000 A, when the temperature of the body is 1227°C. If the...
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