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3 years ago

Which term describes this diagram

Physics

2 answers:

Y_Kistochka [10]3 years ago

7 0

I believe the answer is C

STALIN [3.7K]3 years ago

4 0

Answer:

the answer is letter; C

Explanation:

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When blue light of wavelength 470 falls on a single slit, the first dark bands on either side of center are separated by 45.0. d

enyata [817]

For Fraunhofer diffraction at a single slit would be represented by:

a sinθ = mλ

It should be noted that the angle needs be halved because we are only concerned with the angle between m=1 and m=0 and they gave you the angle between m=1 to the right of the center and m=1 on the left of the center. We calculate as follows:

a sin(45/2)=(1)(470)
a = 1228 nm

Hope this answers the question. Have a nice day.

3 0

4 years ago

A 69 g particle is moving to the left at 25 m/s . How much net work must be done on the particle to cause it to move to the righ

LekaFEV [45]

Answer:11.59 J

Explanation:

Given

mass of Particle $m=69 gm$

Initially Particle moves towards left $v_1=25 m/s$

Final velocity of Particle is towards Right $v_2=31 m/s$

According to Work Energy theorem

Work done by all the Forces=change in Kinetic Energy

Work done by Force $=\frac{mv_2^2}{2}-\frac{mv_1^2}{2}$

$W=\frac{69\times 10^{-3}}{2}\left [ 31^-25^2\right ]$

$W=\frac{69\times 10^{-3}}{2}\left [ 961-625\right ]$

$W=11.59 J$

5 0

4 years ago

¿Qué trabajo hace una fuerza de 110 N cuando mueve su punto de aplicación 20 mt en su misma dirección? *

lys-0071 [83]

Answer:

W = 2.200 Joules

Explanation:

Datos (data):

Fuerza [force] (F) = 110 N
Metros [meters] (m) = 20 m
Trabajo [work] (W) = ?

Usar la fórmula (use formula):

$\boxed{\bold{W = F*d}}$

Reemplazar (replace):

$\boxed{\bold{W = 110\ N*20\ m}}$

Resolver la multiplicación, recuerda que 1 N * 1 m = 1 J (resolve the multiplication, remember that 1 N * 1 m = 1 J:

$\boxed{\boxed{\bold{W =2.200\ J}}}$

Greetings.

7 0

3 years ago

A whistle you use to call your hunting dog has a frequency of 21 kHz, but your dog is ignoring it. You suspect the whistle may n

jeka94

The whistle you use to call has a frequency of 21 kHz, so you do not recognize it also because your threshold of hearing is only 20 kHz. Since you are unable to hear sounds above this value, you request your friend to blow the whistle and move farther away. The frequency will decrease due to Doppler effect.

4 0

4 years ago

Read 2 more answers

Urgent help for a physics exercise!

Zigmanuir [339]

Amplitude of wave is given as maximum displacement from mean position

So here amplitude is 1.25 cm

Wavelength is the length of the wave that it travels in one time period

From graph we can say the wavelength is given as 3cm

PART C)

Time period of wave is the time after which it repeats its shape

Speed of the wave = 21 cm/s