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insens350 [35]
3 years ago
7

What is the answer to my question

Physics
2 answers:
Andrew [12]3 years ago
7 0
Well that depends...what is your question?
trapecia [35]3 years ago
5 0
74, you have to subtract the onion rings first. 
You can also do it this way: November+potato-right sock= cheese pumpkin.
That would equal 54

I hope I helped:)
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Light of wavelength 600nm illuminates a diffraction grating. The second-order maximum is at angle 39°. How many lines per millim
fomenos

Answer:

the number of lines is 526

Explanation:

The wavelength  λ =600nm = 600 × 10⁻⁶ mm

The diffraction angle θ = 39°

Recall the expression for the relation between the wavelength, angle and central maxima distance.

Recall the expression for the relation between the wavelength, angle and central maxima distance.

Recall the expression for the relation between the wavelength, angle and central maxima distance.

relation between the wave length, angle and central maxima distance

d =  nλ / sinθ

Here n = 2 for second order maxima and d is the distance

= 2(600 × 10⁻⁶) / sin 39°

= 1200 × 10⁻⁶ / 0.6293

= 1.9 × 10⁻³ mm

N = 1/d

= 1 / 1.9 × 10⁻³

= 526

The grating has a line density of 526 lines per millimeter

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3 years ago
Question 3 of 25 What is the period of a wave that has a frequency of 3 Hz?​
Katarina [22]

Answer:

use the formula

Explanation:

F = 1/ T

where F stands for frequency and T stands for period

sub in 3 Hz into frequency

3 = 1/T

0.333 = T

or in a fraction form

1/ 3

hope this helps

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3 years ago
The SI system of units is better than the MKS system, New Creative Science, Class 9​
bagirrra123 [75]

Answer:

Yes true SI unit is better as it applies same over international level ..

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28 g of iron shot is added to a graduated cylinder containing 40 ml of water The water level rises to the 44 ml mark. From this
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From what process energy is liberated in the sun?explain it in brief.<br>​
lbvjy [14]

Answer:The sun produces energy through nuclear fusion.

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