Most popular questions and responses by vineeth
  1. astronomy

    The red supergiant Betelgeuse has a surface temperature of 3600 K. a) Using the fact that the Sun's surface temperature is about 5800 K and that its continuous spectrum peaks at a wavelength of 500 nm, find the peak wavelength of Betelgeuse's continuous

    asked on July 5, 2017
  2. astronomy

    Mars has an albedo of 15. Given that it doesn't have much of an atmosphere, estimate the mean surface temperature on Mars. Note: the semimajor axis of the orbit of Mars is 1.52 AU. (Please enter your answer in units of degrees Kelvin)

    asked on July 5, 2017
  3. physical science

    If cathode ray is attracted towards north pole of magnet, then do negatively charged ebonite rod get attracted towards north pole?

    asked on August 21, 2011
  4. science

    25.) Explain the following: (a)Water exists as liquid while H2S exist as a gas (b)HF has higher boiling point than HCl (c)Ice has less density than water (d)Metals have bright luster

    asked on September 7, 2011
  5. social

    what is the physical environment at kajuraho at present?

    asked on May 15, 2010
  1. Physics


    posted on March 22, 2013