The wave emitted by any atom or molecule must have some finite total length. For sodium light this length(called coherence length)is 2.4 cm.Deduce
the number of oscillations in this length

The wave emitted by any atom or molecule must have some finite total length. For sodium light this length(called coherence length)is 2.4 cm.Deduce the number of oscillations in this length

The wave emtted by any atom or molecule must have some finite total length .For sodium light this length(called coherne length)is 2.4 cm.Deduce the cohernece time.Given that gamma=5*9 xx 10^(-7) cm and c=3.0 xx 10^8 m s^(-1) .

2 xx 10^(8) atoms of carbon are arranged side by side. Calculate the radius of carbon atom if the length of this arrangement is 2.4 cm.

An element (density 7.2 gcm^-3) crystallizes in a body centred cubic structure having its unit cell edge length 2.88oversetcircA . Calculate the number of atoms present in 156 g of the element.

Sarita bought 2/5 metre of ribbon and Lalita 3/4 metre of ribbon.What was the total length of the ribbon.What was the total length of the ribbon they bought?

The perimeter of a rectangle is 13 cm and its width is 2(3)/4 cm. Find its length.

A solenoid of length 30 cm, having 150 turns carries of 2.1 A. calculate the magnitude of magnetic field in the interior of the solenoid.

The area of an isosceles triangle having base 2 cm and the length of one of the equal sides 4 cm, is :

A solenoid of length 50cm, having 100 turns carries a current of 2.5A. Find the magnetic field at one end of the solenoid.