Determine the number of lines per centimeter on the grating

Reference no: EM1310232

Q1. The yellow light from a helium discharge tube has a wavelength of 587.50. When this light illuminates a certain diffraction grating it produces a first-order principal maximum at an angle of 1.050.

Determine the number of lines per centimeter on the grating.

Q2. An object in equilibrium has three forces exerted on it. A(n) 31 N force acts at 79.6?, and a(n) 53 N force acts at 57.6?.

What is the direction of the third force? (Consider all angles to be measured counter- clockwise from the positive x-axis.)

Reference no: EM1310232

Questions Cloud

Force acts on the skateboarder at the bottom of ramp : What is the tangential acceleration of a bug on the rim of an 11.00 in.-diameter disk if the disk accelerates uniformly from rest to an angular speed of 79.03 rev/min in 3.60 s? One second after the bug starts from rest, what is its centripetal accel..

Make a partial amortization table : Prepare a partial amortization table showing the original balance of this note, and the allocation of the first two monthly payments between interest expense and the reduction in the note's unpaid balance.

Computation of fixed operating cost and breakeven sales : Computation of fixed operating cost and breakeven sales and What is his breakeven level of sales at the level of fixed operating costs determined

Explain the presentation of marketable securities : Explain the presentation of marketable securities in Western's balance sheet at December 31, 2007. In 2008, Western engaged in the following transaction.

Determine the number of lines per centimeter on the grating : The yellow light from a helium discharge tube has a wavelength of 587.50. When this light illuminates a certain diffraction grating it produces a first-order principal maximum at an angle of 1.050.

Finding the balance in right-of-use asset : Warren Co. recorded a right-of-use asset of $900,000 in 8-year lease under which no profit was recorded at commencement by lessor-The balance in right-of-use asset after 2 years will be:

Computing the cost in ten years using average home costs : The average home costs= $275,000 today. How much will it cost in ten years if price rises by 5% each year?

What is the speed of the large cart after the collision : A 33.0 g bullet moving at 434 m/s strikes a 5.0 kg bag of flour that is on ice, at rest. The bullet passes through the bag, leaving at 295 m/s. How fast is the bag moving while the bullet exits.

Purpose the journal entry at may 31 : Purpose the journal entry at May 31, 2008, to record the sale of the bonds. and the journal entry at September 30, 2008, to record the semiannual bond interest payment.

User Account

All Pages