Question
In an experimental arrangement of a Fresnel's biprism,
monochromatic light of wavelength 2. is used to produce interference fringe pattern. On introducing a thin, transparent glass sheet of refractive index 1.50 and thickness of 7 microns in the path of one of the interfering beams, the central fringe of the pattern is shifted to the position of 6th bright fringe. Then, the wavelength of the monochromatic light used is nearly:Solution
The correct answer is D
Archaeological Survey of India (ASI) of Ministry of Culture, organised two-day international conference ‘Devayatanam – An odyssey of Indian ...
Which company received final authorization from RBI to act as a payment aggregator in August 2024?
According to the Indian Constitution, which article requires states to obtain the Centre's consent for borrowing if they have an outstanding loan to the...
Which Indian astrophysicist received the COSPAR Harrie Massey Award 2024? Â
What is the mission called that the Punjab state government has initiated to make the state completely drug-free?
What was the theme of the International Day for Biological Diversity (IDB) 2025?
How many Ramsar sites were there in India before the increase to 85, and how many are projected soon?
Which rivers are included in the ‘Jalvahak’ scheme to promote cargo movement on National Waterways?
Consider the following statements aboutGreen rising initiative:Â
1.   Recently, UNESCO in collaboration with India's Ministry of Environment...
Which organization signed an MoU with RBI to improve coordination under the Prevention of Money Laundering Act (PMLA)?