Flag Wave Motion> in young doble slit expt the bandwitdh of...
question mark

in young doble slit expt the bandwitdh of the fringe obtained with red light in 2mm. the apprutus is immersed in water then the resutant bandwidth

Vaishnavi Para , 8 Years ago
Grade 12
anser 1 Answers
cool matrix

Last Activity: 8 Years ago

The resultant fringewidth orbandwidth will decrease by putting the entire setup in water. This is bcoz u know that lambda(wavelength) decreases in water than air keeping frequency constant as speed changes. It becomes (lamda)/u where u is refractive index of water.Thats why fringe width given by (lamda)D /d gets changed to (lambda)D/ud. where `u` is refractive index of water. so your answer will be 2/(4/3) which is 3/2. Hope u got it.

Provide a better Answer & Earn Cool Goodies

star
LIVE ONLINE CLASSES

Prepraring for the competition made easy just by live online class.

tv

Full Live Access

material

Study Material

removal

Live Doubts Solving

assignment

Daily Class Assignments


Ask a Doubt

Get your questions answered by the expert for free