Q: In Lanthanum flint glass, what is the wavelength of light with a frequency of 128 MHz
A: Given data: Frequency (υ) = 128 MHz =128×106 Hz Speed of light (c) = 3×108 m/s Wavelength (λ) =?
Q: The sound waves travel with speed of 564 m/s. If is wavelength is 7 cm. Find the frequency of wave ?
A: Given data: Speed (v) = 564 m/s Wavelength (λ) = 7 cm = 0.07 m Required: Frequency (f)
Q: The frequency of a light wave in a material is 2 *1014 Hz and the wavelength is 5000A. The…
A: Given: Frequency of light wave in material, f=2×1014 Hz Wavelength, λ = 5000 A° To find: The…
Q: What is the speed of light in oil, with index of refraction 1.5 O 2.0x10^8 m/s O 3.0x10^8 m/s O…
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Q: What is the speed of light in a precious stone that has an index of refraction of 2.7980? m/s
A: CONCEPT: Refractive index is defined as the ratio of speed of light in air medium to the speed of…
Q: The index of refraction of ice is 1.31. What is the speed of light in ice?
A: c=Speed of light=3×108 m/sv=Speed of light in icen=Refractive index of ice=1.31
Q: Light with a wavelength of 880 nm enters a material with an index of refraction of 1.49. What is the…
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Q: what is the speed of wavelength light in a material whose index of refraction is 1.75 regarding that…
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Q: Calculate the speed of light in a material with refraction index=9.
A: Given, Refractive index = 9
Q: A slab of glass 0.2mthick absorbs 50% of the light passing through it. How thick must a slab of…
A: Given data: Thickness of the material, x=0.5 m
Q: What is the speed of light in a fluorite crystal whose index of refraction is 1.90.
A: Given data *The given index of refraction of a fluorite crystal is n = 1.90 *The speed of the light…
Q: Light travels a distance of 0.80 m in 4.00 ns in a given substance.What is the index of refraction…
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Q: The sound waves travel with speed of 240 m/s. If is wavelength is 5 m. Find the frequency of wave ?
A: Given data : Speed of sound = v Wavelength =…
Q: The sound waves travel with speed of 5.02 m/s.if is wavelength is 2.01m. Find the frequency of wave?
A: Introduction : In this question we are provided it value of wavelength and wave speed . With these…
Q: The speed of light in a material is 0.37c. What is the critical angle of a light ray at the…
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Q: A parallel beam of light in air makes an angle of 47.5° with the surface of a glass plate having a…
A: According to the Snell's law, n =sin i sin r where, n is the refractive index, i is the angle of…
Q: The speed of light in a certain medium is 2.2 × 10 m/s. What is the index of refraction of this…
A: Given, speed of light c=3×108 m/s Speed of light in a certain medium v=2.2×108 m/s Refractive…
Q: A laser light traveling in fiber optics glass with index of refraction of N=1.5 is amplified every…
A: Refractive index of fiber optic glass , N = 1.5 Distance = 150 km Speed of light in fiber = Speed of…
Q: The sound waves travel with speed of 160 m/s. If is wavelength is 4 m. Find the frequency of wave ?
A: Given data : Speed of sound = v Wavelength…
Q: The sound waves travel with speed of 458 m/s. If is wavelength is 12 m. Find the frequency of wave?
A: Given Speed of sound = 458 m/s Wavelength = 12 m We have to calculate the frequency of wave.
Q: The speed of light in air is 300, 000 km/s. What is the speed of light in glass if the refractive…
A: The expression for speed of light in glass is given by vglass=cnglass=300000 kms×103 m1 km1.5=2×108…
Q: The sound waves travel with speed of 484 m/s. If is wavelength is 5 cm. Find the frequency of wave ?
A: Given: Speed/Velocity(V): 484ms-1 Wavelength(λ): 5cm To Find: Frequency(F)
Q: If a light with wavelength 413 nm, is the same light with a frequency of 6.26×1014 Hz?
A: Given: wavelength = 413 nm velocity = 3 x 108 m/s
Q: What is the speed of a ray of light traveling through a substance having an absolute index of…
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Q: What is the speed of X-rays in vacuum?
A: Vibrating electric field sand magnetic fields together creates electromagnetic waves.
Q: If the speed of light in a substance is Ix108 m/sec, then the refractive index of the substance is
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Q: A radar wave reaches the target at a time of 2 x 10-4 sec. The corresponding radar range is
A: Given Information The target time taken by the wave is given as t = 2 x 10-4 s. Known…
Q: What is the frequency of the light with a wavelength 210 nm? (in units of Hz)
A: Relation between frequency and wavelength of light is given by the formula Velocity of light =…
Q: How far does light travel in 90.0 second ?(c=3.00x 10^8 m/s)
A: Given data: Time (t) = 90.0 second Speed of light (v) = c = 3.00 × 108 m/s Required: Distance…
Q: if the speed of light passing through silicon is 7.5 107 m/s, what is the refractive index of…
A: Given: Speed of light passing through silicon (v) = 7.5×107 m/s
Q: The speed of light in a crystal is found to be 1.24 (10)8 m/s. What is the index of refraction of…
A: The expression used to find index of refraction of crystal is n=cv
Q: what is the frequency of light with a wavelenght of 5.10x10-7m
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Q: The speed of light in air is 3x10° m/s. If the R.I of glass is 1.5, then find the time taken by…
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Q: How far does light travel in 1 millisecond?
A: Given: time, t = 1 ms = 1 x 10-3 s
Q: What color of visible light has longest wavelength?
A: If the color of visible light has longest wavelength, then the frequency is lowest.
Q: A ray of light is incident from air to water at 50ᵒ. Find
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Q: The sound waves travel with speed of 236 m/s. If is wavelength is 4 m. Find the frequency of wave?
A: Given(s): Speed of the wave, v=236 m/s. Wavelength, λ=4 m Require: Frequency, f=?
Q: A radar wave reaches the target at a time of 2 x 104 sec, the corresponding radar range is
A:
Q: An observer standing at a sea coasts observes 54 waves reaching the coast per minute. If the…
A: The speed of the wave is
Q: The speed of light is 3 x 108ms-1. Violet light has a wavelength of about 4 x 10-7m. Calculate the…
A: Given : c = 3 × 108 ms-1 λ = 4 × 10-7 m
Q: The wavelength of light in a medium is wavelength of light in a vacuum. the longer than O shorter…
A:
Q: The speed of light in a vacuum is 3 x 108 m/s. What is the ratio of its speed in water (n = 1.33)…
A: Write the expression for the speed in water.
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- An electric current through hydrogen gas produces several distinct wavelengths of visible light. What are the wavelengths of the hydrogen spectrum, if they form first-order maxima at angles 24.2°, 25.7°, 29.1°, and 41.0° when projected on a diffraction grating having 10,000 lines per centimeter?The structure of the NaCl crystal forms reflecting planes 0.541 nm apart. What is the smallest angle, measured from these planes, at which X-ray diffraction can be observed, if X-rays of wavelength 0.085 nm are used?The speed of light in a crystal is found to be 1.24 (10)8 m/s. What is the indexof refraction of this crystal?
- The wavelength of greed light in air is 5300 A. U. (a) What is its wavelength in glass 3 whose refractive index is? (b) Find the speed 2 of this light is glass. (Given : Speed of light in air = 3 x 108 m/s)The fraction of nonreflected radiation that is transmitted through a 5-mm thickness of a transparent material is 0.95. If the thickness is increased to 12 mm, what fraction of light is transmitted?Ex. 29 : A light wavelength 6000 A. U. is 4 incident on a water surface of R.I.. Find the wavelength and frequency-of light in water, if its frequency of air is 5 x 1014 Hz.
- The index of refraction of diamond is 2.42. By definition, this means that a given wavelength of light travels:Find the range in wavelengths (in vacuum) for visible light in the frequency range between 4x1014 Hz (red light) and 7.9 x1014 Hz (violet light). Express the answers in nanometer. (1 nm = 10-9m)Ex. 25: The wavelength of beam of light in a glass is 4000 Å. What is its wavelength in air if R. I. glass is 1.5. -1-1▬▬
- A standing wave of light in glass (index of refraction = 1.5) is observed to have a distance of 1.0 cm between successive nodes. What is the frequency of light in GHz, to the nearest GHz? Answer:Two interfering light waves have intensities of 20,W,m−2 and 40,W,m−2 , and the phase difference between them at some point P is π/3 . The intensity at P, in W m−2 , including interference is:(give your answer as a decimal to 1.d.p.)1.3 X-rays of wavelength A= 1.5 ×10-10 m, are reflected by the (221) plane. Calculate Bragg angle from the given plane if a =3×10-10 m , b=3.5×10-1º m and c = 8×10-10 m .