Optics and Light Quiz

Play an AI-generated podcast conversation about this lesson

What is the speed of light in glass?

$1.5 imes 10^8$ m/s

$3.0 imes 10^8$ m/s

$4.5 imes 10^8$ m/s

$2.0 imes 10^8$ m/s (correct)

Which refractive index is associated with glass in this context?

1

1.75

1.33

1.5 (correct)

At what angle does total internal reflection occur in water-air interface?

60.1

30.5

48.8 (correct)

72.3

If the angle of incidence increases beyond the critical angle, what will occur?

Light will reflect back into water. Signup and view all the answers

What formula is used to calculate the critical angle?

$n_2 ext{sin}( heta_1) = n_1 ext{sin}( heta_2)$ Signup and view all the answers

What occurs when the angle of incidence ($θ_1$) exceeds the critical angle?

Total internal reflection happens, and light is completely reflected. Signup and view all the answers

Which of the following is an application of total internal reflection?

Fiber optic communication Signup and view all the answers

What is a notable advantage of fiber optic communication over traditional wiring?

Less weight and reduced interference Signup and view all the answers

In the context of medical applications, how is total internal reflection utilized?

To transmit images from a camera through a fiber optic cable Signup and view all the answers

What is the critical angle condition for total internal reflection defined by?

$ heta_1 > heta_critical$ Signup and view all the answers

What causes a pool of water to appear deeper than it really is?

Refraction of light at the air-water interface Signup and view all the answers

Why do mirages occur in hot climates?

The refractive index of hot air is higher than that of cold air Signup and view all the answers

Which of the following best explains why gemstones appear to sparkle?

Their high refractive index causes internal reflections Signup and view all the answers

What phenomenon explains why not all colors of light refract equally?

Dispersion of light at different wavelengths Signup and view all the answers

What is the refractive index value of a typical gemstone like diamond?

Approximately 2.42 Signup and view all the answers

What is the central maximum in a diffraction pattern?

The brightest spot in the pattern Signup and view all the answers

How does the distance from the light source to the screen affect brightness in a diffraction pattern?

Brightness increases as one moves further away Signup and view all the answers

Which color of light diffracts more based on the characteristics provided?

Red light Signup and view all the answers

What phenomenon causes the bright lines observed in the interference pattern in Young's experiment?

Constructive interference Signup and view all the answers

What does a first-order maximum in a diffraction pattern represent?

The first point of maximum intensity after the central maximum Signup and view all the answers

In the context of light diffraction, how does color influence the observed pattern?

Different colors exhibit different rates of diffraction Signup and view all the answers

Which statement correctly describes the effect of diffraction on light?

Light spreads out when passing through narrow openings. Signup and view all the answers

What did Young's double-slit experiment demonstrate about the nature of light?

Light has both wave and particle characteristics. Signup and view all the answers

What aspect of light does the equation $v = f imes heta$ represent?

The relationship between speed, frequency, and wavelength. Signup and view all the answers

In the context of the double-slit experiment, what would be expected if light were only a particle?

Only two distinct lines on the screen. Signup and view all the answers

Which color of light refracts the least when passing through a prism?

Red light Signup and view all the answers

What phenomenon describes the separation of white light into its component colors?

Dispersion Signup and view all the answers

According to the principles of refraction, which statement is correct?

Blue light has a higher refractive index than red light. Signup and view all the answers

What occurs when white light is recombined after being dispersed through a prism?

It becomes white light again. Signup and view all the answers

What does refraction of light depend on when moving from air to glass?

The color of the light Signup and view all the answers

What is the value of the angle of maximum deviation calculated for the Young's double slit experiment with the given parameters?

25.5 degrees Signup and view all the answers

In Exercise 2, what was identified as the error in the calculation of the anti-node position?

An incorrect formula was used Signup and view all the answers

What does the variable 'd' represent in the context of Young's double slit experiment?

Distance between the slits Signup and view all the answers

Based on the provided formula for the anti-node position, what is a key factor that influences the position on the screen?

The order of maximum Signup and view all the answers

What type of light is used in the Young's double slit experiment as described?

Monochromatic light Signup and view all the answers

Which of the following examples demonstrates thin-film interference?

Ammonite gemstones Signup and view all the answers

What does the term 'Poisson spot' refer to in the context of diffraction?

A bright spot at the center of the shadow of a small circular object Signup and view all the answers

In a diffraction grating, what is the primary purpose of having multiple slits?

To disperse light into its component colors Signup and view all the answers

What is the significance of Fresnel's experiment with circular openings?

It proved that light behaves as a transverse wave Signup and view all the answers

What role does slit width play in single-slit diffraction?

It affects the location and spread of the diffraction pattern Signup and view all the answers

What is the width of a human hair in millimeters?

0.163 mm Signup and view all the answers

How many lines per mm can be calculated from a DVD based on the given parameters?

711 lines/mm Signup and view all the answers

What formula is used to determine the value of K in this context?

K = λ * d1 / (d2 * d2) Signup and view all the answers

When converting the value of K to lines per mm, what factor is used?

1000 mm/m Signup and view all the answers

What is the calculated distance for d when using the given parameters?

1.625E-7 m Signup and view all the answers

What happens to non-polarized light when it passes through a polarizing filter?

It is partially absorbed and vibrates in a single plane. Signup and view all the answers

How is polarized light related to the orientation of a polarizing filter?

Polarized light isn't vibrating in the same direction as the filtr. Signup and view all the answers

What is an essential feature of high-quality sunglasses?

They are designed to be vertically polarized. Signup and view all the answers

Which statement best describes the nature of light waves in terms of polarization?

Light waves vibrate in many planes, making polarization variable. Signup and view all the answers

Why is it misleading to say that light cannot be polarized?

Because light produced in a single plane of vibration can be polarized. Signup and view all the answers