Assertion : Threshold frequency is a characteristic for a metal Reason : Threshold frequency is a maximum frequency required for the ejection of electron from the metal surface. Assertion : Threshold frequency is a characteristic for a metal Reason : Threshold frequency is a maximum frequency required for the ejection of electron from the metal surface. November 27, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related