1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
kumpel [21]
3 years ago
9

A diffraction 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?
Physics
1 answer:
Bumek [7]3 years ago
7 0

Answer:

528.9 nm

Explanation:

For a grating dsinθ = mλ where m = order of grating, d = grating space, λ = wavelength of light and θ = angle of deflection of light

First, we find the grating space d = mλ/sinθ where m = 2 for second order, λ = 632.8 nm = 632.8 × 10⁻⁹ m, θ = 43.2°

d = mλ/sinθ = 2 × 632.8 × 10⁻⁹ m ÷ sin43.2° = 1.849 × 10⁻⁶ m = 1.849 μm

We now find the wavelength of the light to be measured from λ = dsinθ/m

Here, θ = 34.9° and m = 2 for second order. So, we have

λ = dsinθ/m = 1.849 × 10⁻⁶ m × sin34.9° ÷ 2 = 0.5289 × 10⁻⁶ m = 528.9 nm

You might be interested in
A strong man and a weak man are trying to carry a ladder . How should they carry it in such a way that the weak person feels les
dsp73

Answer:

The strong person should carry the ladder at the  front end and the weak person should carry it at the back end.

Explanation:

this is because in such a case the strong person has to pull the ladder whereas the weak person at the back end have to push the ladder. In such case it is easier to push because the weak person can use the force of gravity of his own body for pushing the ladde.

However in case of pulling the ladder one has to overcome his own gravity to pull the heavy object

<u>                                                                                                                                 </u>

<h2><em>I Hope it help you </em></h2>
7 0
2 years ago
Read 2 more answers
Which part of the diagram represents the proton
Alexandra [31]
Protons have a positive charge which is indicated by a + sign.
Hence, the answer is C.
6 0
3 years ago
Read 2 more answers
Pls I need help i will give brainliest answer
katen-ka-za [31]
Mg + 2HCl —> MgCl2 + H2
6 0
3 years ago
WILL MARK BRAINLIEST
ANEK [815]

Answer:

Pressure= force/ area

12/ 2033.33= 24400 N/m2.

i believe this is it :)

3 0
3 years ago
what is the net force of a 6 kg object that goes from a velocity of 0.5 m/s to a velocity of 3 m/s over the course of 1.5 second
baherus [9]

Answer:

∑F = 10.2 N

Explanation:

We have:

Initial velocity: 0.5 m/s

Final velocity: 3 m/s

Time: 1.5 s

We have all of the components needed to calculate acceleration. Let's do that, shall we?

a = vf-vo/t

a = 2.5/1.5

a = 1.7 m/s^{2}

Now, look at the Net Force equation:

∑F = ma

Plug in the variables, to get:

∑F = (6)(1.7)

∑F = 10.2 N (You can round this according to significant digits)

3 0
3 years ago
Other questions:
  • A fluorine atom has 7 valence electrons in its second shell.
    7·1 answer
  • A mass free to vibrate on a level, frictionless surface at the end of a horizontal spring is pulled 35 cm from its equilibrium p
    11·1 answer
  • In which situations can you conclude that the object is undergoing a net interaction with one or more other objects? (Select all
    8·1 answer
  • The superheroine Xanaxa, who has a mass of 67.5 kg , is pursuing the 70.3 kg archvillain Lexlax. She leaps from the ground to th
    5·1 answer
  • The pressure of a gas is reduced from 1200.0 mm hg to 850.0 mm hg as the volume of its container is increased by moving a piston
    14·2 answers
  • Earth’s gravity keeps the moon in orbit by pulling on it.
    14·2 answers
  • How can citizens affect environmental policy at the local, state, and national levels
    6·1 answer
  • How do the !Kung Bushmen teach their children not to be violent?
    14·2 answers
  • A 250-kg moose stands in the middle of the railroad tracks in Sweden, frozen by the lights of an oncoming 10,000kg train traveli
    11·1 answer
  • On an aircraft carrier, a jet can be catapulted from 0 to 250 km/h in 2.05 s
    11·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!