Physics - General Science Objective Questions and Answers for Competitive Exams

Q.

Who invented Electron Microscope ?

A Galileo
B Knoll and Ruska
C Robert Koch
D Leeuwenhook
Answer & Explanation
Option: [B]

Your Valuable Comments Please...

Important EBooks for Competitive Exams

VIEW ALL

Random GK Questions

A Brazil
B Argentina
C Germany
D Netherlands
Answer: Option [C]
A Tamil Nadu
B Gujarat
C Andhra Pradesh
D West Bengal
Answer: Option [B]
A TISCO at Burnpur
B Durgapur Iron and Steel Plant
C TISCO at Jamshedpur
D None of the above
Answer: Option [C]
A Portuguese
B Dutch
C Danish
D British
Answer: Option [A]
A Taxes other than stamp duties on transactions in stock exchange and future markets<
B Taxes on Railway freights and fares.
C Taxes on mineral rights subject to any limitations imposed by the Parliament.
D Rate of stamp duty in respect of certain financial documents.
Answer: Option [C]