state gov UP Police Head Operator (Radio Cadre) Mock Test General Knowledge Science Technology and Inventions

Who discovered the X-rays?

1
Thomas Savery
2
Thomas Newcomen
3
Isaac Newton
4
Wilhelm Roentgen
Share: WhatsApp Telegram X

Sponsored

hivanix.in

Visit

This quiz is brought to you by hivanix.in

🌐 Web App Development

Other Tools: chatwiz.hivanix.in mmspace.hivanix.in unogame.hivanix.in

Quick Navigation

Home

Subjects

Chapters