If the temperature of the sun becomes twice its present temperature, then
  • A
    Radiated energy would be predominantly in infrared
  • B
    Radiated energy would be predominantly in ultraviolet
  • CRadiated energy would be predominantly in $X$ -ray region
  • D
    Radiated energy would become twice the present radiated energy
Easy
art

Download our app
and 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

  • 1
    Three 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
  • 2
    Equal masses of two liquids are filled in two similar calorimeters. The rate of cooling will
    View Solution
  • 3
    In Newton's experiment of cooling, the water equivalent of two similar calorimeters is $10 $ gm each. They are filled with $350 gm$ of water and $300 gm$ of a liquid (equal volumes) separately. The time taken by water and liquid to cool from ${70^o}C$ to ${60^o}C$ is $3$ min and $95$ sec respectively. The specific heat of the liquid will be ...... $Cal/gm\,^oC$
    View Solution
  • 4
    Heat is flowing through two cylindrical rods of the same material. The diameters of the rods are in the ratio $1 : 2$ and their lengths are in the ratio $2 : 1$. If the temperature difference between their ends is the same, then the ratio of the amounts of heat conducted through per unit time will be
    View Solution
  • 5
    A liquid in a beaker has temperature $\theta (t)$ at time $t$ and $\theta_0$ is temperature of surroundings, then according to Newton's law of cooling the correct graph between loge $log_e(\theta - \theta_0) $ and $t$ is
    View Solution
  • 6
    A black body radiates at the rate of $W$ watts at a temperature $T$ . If the temperature of the body is reduced to $T/3$ , it will radiate at the rate of (in Watts)
    View Solution
  • 7
    If a black body is heated at a high temperature, it seems to be
    View Solution
  • 8
    A black body at $227^o C$ radiates heat at the rate of $7\; cals/cm^2 s$. At a temperature of $727^o C$, the rate of heat radiated in the same units will be 
    View Solution
  • 9
    In which of the following process, convection does not take place primarily
    View Solution
  • 10
    Wein's constant is $2892 \times {10^{ - 6}}$$MKS$ unit and the value of ${\lambda _m}$ from moon is $14.46$ microns. What is the surface temperature of moon ...... $K$
    View Solution