# Kohul

### 2 point sources vibrate in phase at the same frequency. They set up an interference pattern in which a point on the 2nd nodal line is 29.5cm?

from one source and 25cm from the other. The speed of the waves is 7.5cm/s.

a) Calculate the wavelength

b) Calculate the frequency at which the sources are vibrating.

1 AnswerPhysics10 hours ago### Two point sources S1 and S2 vibrate in phase and produce waves of length 2.5m. The 2 waves overlap at a nodal point. Calculate the smallest?

smallest corresponding difference in path length for this point.

1 AnswerPhysics10 hours ago### A point on the 3rd nodal line from the center of an interference is 35cm from one source and 42cm from the other. The sources are 11.2cm ?

apart and vibrate in phase at 10.5 Hz.

a) Calculate the wavelength of the waves.b) What is the speed of the waves?

Physics10 hours ago### Calculate the wavelength of light used in a double-slit experiment with a slit separation of 5.6m and a spacing of 28cm between 3 light ?

3 light bands if the screen is 1.1m away.

What would be the spacing (x) for light of wavelength 510nm?

What is the distance from the center to the 3rd maximum?

Physics10 hours ago### Light from a red monochromatic source is shone through a pair of slits, creating an interference pattern. At the 2nd-order maximum, light ?

travels 0.800 000 1 m from slit 1 and 0.800 001 4 m from slit 2. Find the wavelength of light used.

hint: the path-difference equation

1 AnswerPhysics12 hours ago### A monochromatic source of 450nm illuminates 2 slits that are 3 x 10^-6 m apart. Find the angle at which the first order maximum occurs. For ?

For a screen that is 1m away from the slit, how far will the first-order maximum be from the center line?

1 AnswerPhysics12 hours ago### a) Calculate the angle of refraction for red and blue light traveling from air into the left boundary of the prism. The angle of incidence?

incidence at the left boundary of the prism is 40 degrees. The index of refraction for the blue light in the prism is 1.47 and 1.46 for red light. Air's refraction index is 1.0003

b) Calculate the angle of incidence for blue and red light at the right boundary of the prism.

c) Calculate the angle of refraction for blue and red light as the rays exit the prism

1 AnswerPhysics12 hours ago### A monochromatic light source of wavelength 450nm illuminates 2 slits that are 6 x 10^-6 m apart. Find the distance to the 3rd order maximum?

if the screen is 1.3m away.

1 AnswerPhysics12 hours ago### Find the wavelength of light used if the 2nd order minimum is located 21cm from the central maximum on a screen 90cm away. The separation?

between the double slits is 6 x 10^-6 m.

1 AnswerPhysics12 hours ago### Prove that the distance between 2 fringes can be found by Δx=Lλ/d?

1 AnswerPhysics12 hours ago### A laser shines red light with wavelength 630nm onto an adjustable slit. What is the maximum slit width that will cause significant ?

significant diffraction of the light?

1 AnswerPhysics1 day ago### What is the critical angle between diamond (n=2.42) and air? Between crown glass (n=1.52) and air? Between Zircon (n=1.92) and air?

Why is diamond so much more sparkly compared to the others?

1 AnswerPhysics1 day ago### a) Calculate the critical angle for light passing through water into air. b) Describe what an underwater simmer would see if she looks ?

looks towards the surface at angles of 40 degrees θc from a), and 60 degrees relative to the normal.

θc is the critical angle.

1 AnswerPhysics1 day ago### There is a prism shaped like an equilateral triangle. Monochromatic light is incident on this prism. The index of refraction is 1.6. The?

The angle of incidence is 55 degrees. What angle does the outgoing ray make with the horizontal.

1 AnswerPhysics1 day ago### There is a prism shaped like an equilateral triangle. Only one colour of light hits it. The incident ray hits the left side, and ?

The angle of incidence is 40 degrees. The index of refraction for this colour in the prism is 1.465.

a) Determine the angle of refraction for this light at the left boundary of the prism.

b) Determine the angle of refraction for this light as it exits the prism.

1 AnswerPhysics1 day ago### Light with a wavelength of 450nm in a vacuum enters a sample of glass. The index of refraction of the glass is 1.45. Determine the light's?

the light's frequency inside the glass.

1 AnswerPhysics1 day ago