A Grating Is to Be Used to Find the Wavelength

question 9

Short Answer

A grating is to be used to find the wavelength of the emission spectrum of a gas.The grating spacing is not known,but light of a known wavelength of 632.8 nm is deflected by 43.2° in the second order by this grating.Light of the wavelength to be measured is deflected by 34.9° in the second order.What is the wavelength of the light that is to be measured?

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Definitions:

Greater Tubercles

Projections located on the proximal end of the humerus bone, providing attachment for shoulder muscles.

Flexor Carpi Radialis

A muscle in the forearm that assists in bending the wrist towards the thumb side.

Abduct

Abduct refers to the movement of a limb or another part of the body away from the midline or another part of the body.

Flexor Carpi Ulnaris

A muscle of the forearm that flexes and adducts the hand.