Direction: Write the word TRUE if the statement is correct. If the statement is false, write the word which makes it wrong and write the correct answer. Question:The two phenomena based on straight light propagation are reflection and refraction, wherein the reflection deals with the bouncing of light rays whereas the refraction talks about bending of light rays.

Q: ¡Q-1 A student wants to compare the luminous flux of a lightbulb with that of a 2 =1750 (lm) lamp.…

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Q: When light moves from a material with a smaller index of refraction into a material with a larger…

A: Solving approach: The speed of the light in the medium is      v=c/n Here c is the speed of light in…

Q: A light wave has a wavelength of 4.25x10-7m. a) What is its frequency? b) How much energy is…

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Q: The index of refraction of diamond is 2.42.  By definition, this means that a given wavelength of…

A: Given : Index of refraction of diamond (n) = 2.42

Q: How far away is the Moon if a reflected beam of light takes 2.56 seconds to travel from Earth to the…

A: Given Reflected beam of light takes a time (t) = 2.56 seconds

Q: The speed of a light wave in a certain transparent material is 0.617 times its speed in vacuum,…

A: Given: The speed of the wave is 0.617  times of the speed of the light. The frequency of the yellow…

Q: Ex. 16: The speed of light in air is 3 × 108 m/s and that in diamond is 1.4 x 108 m/s. Find R. I. of…

A: To find-R.I. of diamond (aμd)=?Given-Speed of light in air (Ca)=3×108 m/sSpeed of light in diamond…

Q: Light passes from air into ice with part of the ray reflected and part refracted. The reflected and…

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Q: 1. Choose and mark the true one from the statements below. (a) The light is nothing but the beams…

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Q: Learning Goal: To practice Problem-Solving Strategy 4.1 for projectile motion problems. A rock…

A: Learning Goal:To practice Problem-Solving Strategy 4.1 for projectile motion problems.A rock thrown…

Q: Which of the following statements is true for the direction of polarization for a polarized light…

A: a) The direction of polarized light is not parallel to the direction of propagation, but is…

Q: A monochromatic ray of light passes from air to glass. The wavelength of light in air is A, the…

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Q: A ray in glass arrives at the glass-water interface at an angle of 48° with the normal. The…

A: Given: The angle made in the glass medium is = 48°. The refracted ray makes and angle in water is =…

Q: The ratio of the velocity of light in a vacuum to the velocity of light in a medium is called the…

A: We have tell about ratio of velocity of light in vacuum to the velocity of light in a medium.

Q: الإنجليزية Definition of an electrical cell of aluminum?

A: Answer:- Electrical cell of Aluminium :- Aluminium battery produce electricity from the reaction of…

Q: It is the fundamental SI unit of length. It is the length of the path traveled by light in a vacuum…

A: Given value--- time = 1 / (3×108 ) sec. We have to find--- travel distance by light?

Q: The wavelength of light is 5000 A. Find the wave number. (E) 5x10 (b) 3 x 10 1 x 100

A: To find- Wave number (v)=? Given- Wavelength of light=5000 A0 Wavelength of light=5 x 10-7 m

Q: Q1: The electric field in a monochromatic electromagnetic (em) wave propagating in free space is…

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Q: a. A scale balances with four blue x-blocks on one side and 36 green blocks on the other side.…

A: A scale balances with four blue x-blocks on one side and 36 green blocks on the other side. From…

Q: Ex. 4: The velocity of light in air is 3 × 108 m/s. Find the frequency and wavelength of a beam of…

A: We need to compute-(i) Frequency of light in diamond (vd)=?(ii) Wavelength of light in diamond…

Q: 1. When you see an object, you're either seeing the light it made/created by itself, or the light…

A: (a) The bodies which have their own source of energy to emit light are called luminous bodies. (b)…

Q: what is 5b angle of -A

A: 5b) Given that, the x component of the vector A is Ax=-36 The magnitude of vector A is A=82   Then…

Q: O. 20:Time taken by the light to travel through 5 cm of glass is same as that through (x) cm of air.…

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Q: The distance between the Sun and the earth is 93 × 10° km. If velocity of light in air is 3 × 10®…

A: Given Data : The distance between the sun and the earth is given as D=93×106 Km The velocity of the…

Q: A ray of light travels from one medium to another medium. The total internal reflection of the light…

A: Total internal reflection occurs when meet two necessary conditions :  the angle of incidence (…

Q: Determine the change in wavelength of light during its passage from air to glass, if the refractive…

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Q: Ultraviolet radiation: O is invisible to human eyes. O travels at a speed of 3x10°m/s thrc mediums.…

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Q: (a)    What is the range of the wavelengths of light that is visible to the human eye?

A: Answer:-  (a)  The visible spectrum is the portion of the electromagnetic spectrum that is visible…

Q: What is the speed of a ray of light traveling through a substance having an absolute index of…

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Q: A light wave has a frequency of 5.06 × 1014 cycles per second. (a) What is the wavelength? |x 10-7 m…

A: As per guidelines, only 3 subparts are solved here. A light wave has a frequency of 5.06×1014 cycles…

Q: A signal from of PLDT-Fibr travels through its optic cable at the speed of (2x108 m/s). a.) How long…

A: Given: Singal speed inside optical cable,u=2×108 m/s To determine: (a) Time taken by signal to…

Q: Determine the speed, wavelength, and frequency of light from a helium-neon laser as it travels…

A: Given: Wavelength  λ0=632.8 nm=632.8×10-9 m Refractive index n=1.458 Standard data used: c=3×108 m/s

Q: index of refraction in a plastic rod is 2.59. What is the speed of light in this plastic rod (in…

A: Given Speed of light is c=3×108  m/sRefractive index of plastic is n=2.59

Q: If the figure is translated 4 units left, what are the coordinates of

A: (d) Introduction: When a ray of light approaches a smooth polished surface and the light ray bounces…

Q: If the frequency of a wave of light is 6.8 x 108 Hz, what is it's wavelength. c = 3.0 x 108 m/s

A: In the given question, The frequency of the wave is (f) = 6.8×108 Hz Speed of light (c) = 3×108m/s…

Q: Which of the following best explains the reason for taking three measurements at each light…

A: Best way in experimental physics to maximize the accuracy and reduce the error is to carry out…

Q: Water has an index of refraction of 1.33. What is the speed of light and water in km/s?

A: Refractive index is the ratio of speed of light in vacuum to speed of light in medium.

Q: Austin did a measurement for the speed of light in an experiment. He found that the speed of light…

A: speed of light is maximum in vacuum and this maximum speed is given as :        c = 3 x 108 m/s   so…

Dispersion of White Light

Snell’s law is a formula that gives a relation between the angle of incidence and angle of refraction and is given as: