The critical angle for total internal reflection at a liquid- air interface is 42.5°. If a ray of light traveling in air has an angle of incidence at the interface of 54.2°, what angle does the refracted ray in the liquid make with the normal? 27.7° Answer not given 28.2° 22.8° 33.2⁰

Q: (b) The 11.5 kg slender rod pivoted about point O is pressed against a spring at point A, in which…

A: Angular velocity is the rate of angular displacement . It it the derivative of angular displacement…

Q: In the picture below, the image created on the right is a(n) image. Do NOT use uppercase letters,…

A: In the eye, a convex lens is situated, which focuses and converges lights of different objects on…

Q: Define 1 dioptre of power of a lens.

A: Power of a lens is its ability to converge rays of light falling on it. Diopter is the unit of…

Q: Consider an extended object placed to the left of a bi-convex lens with focal length of 10 [cm] as…

A: Given: The focal length of the convex lens is 10 cm. The position of the image is 5 cm from of the…

Q: Many expressions in special relativity contain the gamma (y) factor. 1 Y = v²lc² In the equation, v…

A:

Q: Instructions: Here are some practice problems to make you familiar with these concepts. Please…

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Q: Define the term power of a lens. In what unit it is expressed?

A: Power of lens is the ability of the lens to converge the rays of light falling on it.

Q: For Convex mirror Draw the case in a long bond paper: place the object at any location Note:…

A: A convex mirror is a mirror in which the reflective surface curves towards the light source. This…

Q: Describe which type of lens is needed to correct for farsightedness. Sketch a small picture to…

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Q: a.) Draw a ray diagram for this arrangement to locate the image with all principal rays for a…

A: From the ray diagram, we can note down the object distance and focal length. The object height ho=4…

Q: Draw a ray diagram for each of the following, and then draw the image formed. Please add complete…

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Q: A fountain sends a stream of water straight up into the air to a maximum height of 4.21 m. The…

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Q: Explain in detail how the making of a periscope can help understand geometrical optics and…

A: Periscope:  A periscope is defined as an instrument used for observing over, around, or through an…

Q: In the figure below (which is not to scale) the lens creating the real, inverted image is not shown.…

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Q: Match the answers with questions for image distance - s'.…

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Q: Write the formulae which show the relationship between image distance, object distance and focal…

A: Given :  object distance, image distance and focal length

Q: if you change the curvature of the lens, how the focal length changes? Explain your observations…

A: The focal length of lens depends on the curvature of lens. The lens equation is given as, 1f=1u+1v

Q: Find the sum of the given vectors. In total, you will find Rx, Ry, R and A (in standard position).…

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Q: 1. How might you determine the focal length more accurately? 2. How does the size of the image of…

A: Focal Length of a convex lens The first focus of a convex lens is that point on the principal axis…

Q: The figure below shows a battery connected to a circuit. The potential difference across the battery…

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Q: 4. A disc of radius 0.5 m starts from rest and accelerates with a constant angular acceleration of !…

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Q: in step 1 why is the image distance -4 cm?

A: First we know Concave lens can never form a real image, That is it always forms a virtual image And…

Q: A concave mirror of focal length 17.5 cm forms a real image 24.8 cm from the mirror. What is the…

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Q: Two infinitely long cables lie on Z axis having radius of r1=4a, r2- 5a carrying stationary…

A: Solution: a). Using amperes law the magnetic field can be calculated at the specified point. The…

Q: Define power of lens.

A:

Q: Define power of lens. Write its S.I unit.

A: Power of lens is defined as the inverse of the focal length of the lens. Focal length of the lens is…

Q: Use the Schrödinger equation to calculate the energy of a 1-dimensional particle-in-a-box system in…

A: Problem 1 Wavefunction of particle in a box is given by, ψx=2LsinnπxL

Q: Label the parts of a abbe refractometer and give its uses.

A: The parts of a abbe refractometer and give its uses.

Q: A hospital traction device pulls on a foot, as shown in the figure below. The tensions T, and T,…

A: Mass , m = 5 kg To find = x and y components of reaction force .

Q: In some of the images there appears to be a secondary source of light that is coming from the same…

A: The following phenomenon in which a beam of incident light splits into two is called  double…

Q: 2. Find the nuclear radii of the following nuclides: a. H b. Co C 197 79Au d. 23 Pu

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Q: Regarding image formation frim spherical mirrors: What apeture size would guve the best possible…

A: in spherical mirrors whose aperature is much smaller then its radius of curvature. this give the…

Q: m but when you used the formula to verify this answer your answer comes out to be -2cm so is the…

A: Solution: As it is known, the concave lens is a diverging lens. The incident ray on the lens, after…

Q: To find the focal length of a lens that is aimed at a distant object, this equation can be used:

A: Solution attached in the photo

Q: 1. How might you determine the focal length more accurately? 2. How does the size of the image of…

A: (a). The focal length in terms of the radius of curvature is, F=R2 where F is the focal length and R…

Q: What is difference between angle of prism and angle of minimum deviation? Explain comprehensively…

A: ANGLE OF PRISM: The angle between the two lateral faces of a prism is called the angle of the prism…

Q: B A D 12 12 24 C.

A: Given  Concave lens with focal point f=-6cm

Q: What are primary images

A: The first image formed by the reflection is called a primary image.