Snow is more heat insulating than ice, because
Easy
Download our app for free and get started
(a)Air is poor conductor of heat.
Download our appand get started for free
Experience the future of education. Simply download our apps or reach out to us for more information. Let's shape the future of learning together!No signup needed.*
Similar Questions
- 1View SolutionIf the temperature of the sun becomes twice its present temperature, then
- 2Hot water cools from ${60^o}C$ to ${50^o}C$ in the first $10$ minutes and to ${42^o}C$ in the next $10$ minutes. The temperature of the surrounding is ......... $^oC$View Solution
- 3The radiation energy density per unit wavelength at a temperature $T$ has a maximum at a wavelength $\lambda _0$. At temperature $2T$, it will have a maximum at a wavelengthView Solution
- 4Surface of the lake is at $2°C$ . Find the temperature of the bottom of the lake..... $^oC$View Solution
- 5A black body at $1227^o C$ emits radiations with maximum intensity at a wavelength of $5000\;\mathring A$ . If the temperature of the body is increased by $1000^o C$, the maximum intensity will be observed at ...... $\mathring A$View Solution
- 6Liquid is filled in a vessel which is kept in a room with temperature ${20^o}C$. When the temperature of the liquid is ${80^o}C$, then it loses heat at the rate of $60\;cal/\sec $. What will be the rate of loss of heat when the temperature of the liquid is ${40^o}C$ ....... $cal/\sec $View Solution
- 7Many exoplanets have been discovered by the transit method, where in one monitors, a dip in the intensity of the parent star as the exoplanet moves in front of it. The exoplanet has a radius $R$ and the parent star has radius $100 \,R$. If $I_0$ is the intensity observed on earth due to the parent star, then as the exoplanet transitsView Solution
- 8Which of the following circular rods. (given radius $ r$ and length $l$ ) each made of the same material as whose ends are maintained at the same temperature will conduct most heatView Solution
- 9A hot black body emits the energy at the rate of $16\ J\ m^{-2}\ s^{-1}$ and its most intense radiation corresponds to $20,000\ Å$ . When the temperature of this body is further increased and its most intense radiation corresponds to $10,000\ Å$ , then the energy radiated in $Jm^{-2}\ s^{-1}$ will beView Solution
- 10Three rods made of the same material and having same cross-sectional area but different lengths $10\, cm, 20\, cm$ and $30\, cm$ are joined as shown. The temperature of the junction is......... $^oC$View Solution