Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa
  • Home
  • Engineering
  • Help me solve this A piece of iron is heated in a flame. It first becomes dull red then becomes reddish yellow and finally turns to white hot. The correct explanation for the above observation is possible by using:

A piece of iron is heated in a flame. It first becomes dull red then becomes reddish yellow and finally turns to white hot. The correct explanation for the above observation is possible by using:

  • Option 1)

    Newton's Law of cooling

  • Option 2)

    Stefan's Law

  • Option 3)

    Wien's displacement Law

  • Option 4)

    Kirchoff's Law

 

Answers (2)

best_answer

Temperature and wavelength (colour) is related through wiens displacement law \lambda mT=b


Option 1)

Newton's Law of cooling

This is incorrect option

Option 2)

Stefan's Law

This is incorrect option

Option 3)

Wien's displacement Law

This is correct option

Option 4)

Kirchoff's Law

This is incorrect option

Posted by

Aadil

View full answer

Wiens displacement law

Posted by

Shrutin pradhan

View full answer

Similar Questions