Bifocal Lens was invented by which scientist? – McqOptions

MCQOPTIONS

1.	Bifocal Lens was invented by which scientist?
A.	Benjamin Franklin
B.	Edmond Becquerel
C.	Dmitri Mendeleev
D.	Joseph Priestley
Answer» B. Edmond Becquerel

Discussion

No Comment Found

Related MCQs

How many Gigabyte is equal to 1 Petabyte?
How much is one decalitre?
A geostationary satellite is positioned at a distance of how many kilometres above mean sea level?
For the popularisation of Science & Technology in the State, the Government has established Science Centres and Science Parks in Rajasthan. Identify the correct places where Science Parks have been established so far:
Microbial fuel cells are considered a source of sustainable energy. Why?1. They use living organisms as catalysts to generate electricity from certain substances.2. They use a variety of inorganic materials as substrates.3. They can be installed in wastewater treatment plants to cleanse water and produce electricity.Which of the statements given above is/are correct?
Alpha particles are ________.
A top American university will expand genetic testing in India in partnership with the AIIMS in Delhi and the ________.
IKE stands for ________.
Barak - 8 Missile (next generation) has been developed by India in collaboration with which of the following countries?
A technology has been developed by Dr Chiranjib Bhattacharjee, Professor at the Chemical Engineering Department in Jadavpur University in which city?