You are on a snorkeling trip. Deep below the water, you look up at the surface of the water. Right at sunset, at what angle from the vertical do you see the sun?

Q: Both a convex lens and a concave mirror cause light rays to converge and form different types of…

A: Both a convex lens and a concave mirror cause light rays to converge and form different types of…

Q: A light bulb burns in front of the center of a 40-cm wide plane mirror that is hung vertically on a…

A: SOlution: given that d = 40 cm

Q: Astigmatism is due to light rays O a. passing through the lens in the vertical direction not…

A: Introduction: Astigmatism is an eye defect in which the front surface of the eye inside the eye is…

Q: In absolute index of refraction, n1 is:   A. Air B. Another medium C. Water

A: Refractive index is the ratio of speed light and velocity of the medium.

Q: A ray of light, P moving in air strikes a glass slab as shown below. Air 55 03 R Glass Slab The…

A: Angle of incidence:-Angle of incidence is defined as angle between normal and incident ray. In given…

Q: A diver dives into the sea (nw=4/3) that is 8 m deep. Solve for the apparent depth of the diver as…

A:

Q: 下 1.5 m K1.2 m -> 4.0 m

A:

Q: You have enrolled in a scuba diving class and while swimming under water in a nearby lake you look…

A: According to Snell's law, the ratio of sine of angle of incidence to the sine of angle of refraction…

Q: a ray entering an optical system in a direction parallel to the optical axis will: A) pass through…

A: The rules of ray tracing for a thin lenses are * a ray entering converging lens parallel to its…

Q: The distance between an object and its image formed by a diverging lens is 4.20 cm. The focal length…

A:

Q: A child sitting at the edge of a swimming pool sees a coin resting on the bottom of the pool.  The…

A: The pool’s floor appears to be elevated due to refraction. The relationship between the actual depth…

Q: An object is placed 15 cm in front of a convergent lens of focal length 20 cm. The distance between…

A: The correct option is (c).  i.e  45cm

Q: A ray of light, P moving in air strikes a glass slab as shown below. N. Q 0 02 Air 55% 03 R Glass…

A: Given: The angle from the surface of the slab is 55 degrees.

Q: After a long day of travel, late at night, you swim in the pool of the hotel where you are staying.…

A:

Q: The deflection of light particles passing through a particular medium is called refractive index.…

A: Given Statement-1: the direction of light particles passing through a particular medium is called…

Q: A beam of light is incident from air on the surface of a liquid. If the angle of incidence is 44.0°…

A:

Q: ch of the following statements is A. The angle of reflection is equal to the angle of incidence. 3.…

A: As we know from law of reflection of light states that the angle of  incidence and angle of…

Q: Given a source of light located at 3 ft. from an opaque cylinder with a height of 2 ft. What is the…

A: We use the concept of similar triangles. If two triangles are similar, the ratio of the…

Q: A ray of light is incident on a glass prism (n 1.6) with an angle of incidence 0, 40°. The ray…

A:

Q: The power of a lens a. Approaches zero as the index of refraction increases O b. Increases as the…

A:

Q: A beam of light emerges from water into air at an angle.   The beam is bent a. away from the…

A:

Q: 18. What is the angle of incidence of the ray of light in the image? 30°i 30° 60° 60° O 30 degrees O…

A: It is being asked to tell the angle of incidence in the given image.

Q: At night, a person (in air) stands, at the edge of a water-filled swimming pool with a flashlight in…

A: The diagram is shown as,

Q: A girl standing on the edge of a pond observes a fish that is 2 m deep as shown in the figure. If…

A: An observer observing the depth of an object in water,  Apparent depth, d = 2 m Observation angle,…

Q: A ray of light is travelling from a rarer medium to a denser medium. While entering the denser…

A: Option b  Bends toward the normal

Q: pool? 45.0 cm 1.90 m

A:

Q: A block of glass is situated at the origin of an x-y coordinate system, as shown. A laser inside the…

A: Given: The angle of the incident is 35 degrees.

Q: Ray Zuvlite is playing with his underwater laser. He descends beneath the water surface in his…

A: Given information: Here, d is the depth at which the Ray is standing, x and y are the horizontal…

Q: A drinking straw is partly immersed in some water in a glass. If the straw makes an angle of 40…

A: We have a straw making an angle 40 degrees with the water surface. We need the angle the immersed…

Q: A child sitting at the edge of a swimming pool sees a coin resting on the bottom of the pool.  The…

A: In this problem we will use snells law of refraction.Which is  μ1sinθ1=μ2sinθ2

Q: Why is it difficult to see the roadway in front of you when driving on a rainy night?

A: When we drive on a dry road at night the light from our headlamps reflects off of the rough surface…

Q: At a particular time of day, the Sun's elevation angle is 32.3° above the horizon. For a diver who…

A: To find the apparent elevation angle of the sun

Q: To reduce glare from the surroundings, the windows of some department stores, rather than being…

A: To reduce the glare from the surroundings, the windows of some departmental stores, rather than…

Q: Water floats on a liquid called carbon tetrachloride. The two liquids do not mix. A light ray…

A: Given : Angle of incident  (i) = 45° Angle of refraction (r) = 40.1°  index of refraction of water…

Q: Collimated light passing through a positive lens from the left will O a. come to focus at the focal…

A:

Q: A spherical concave lens has a focal length of 50 cm, and an object is placed 20 cm from the lens.…

A: Given data The focal length of the concave lens is given as f = 50 cm. The object distance is given…

Q: An underwater scuba diver sees the Sun at an apparent angle of 45° above the horizontal. What is the…

A: Given:

Q: An expensive spotlight is located at the bottom of a gold-plated swimming pool of depth d = 2.10 m…

A:

Q: 72.  The image the lens of the eye forms on the retina is   A. depends on the focal point of the…

A: We know that lens in eye is convex lens and images formed by convex lens is inverted. Also image…

Q: Based on how it refracts light, what would you expect images formed by a concave lens to look like?…

A: A concave lens is also called diverging lens because ,it  making the incident light diverge.

Q: A mirror hangs 1.62 m above the floor on a vertical wall. A ray of sunlight, reflected off the…

A: A mirror hanging 1.62 m above ground. Image of sun formed at distances from wall :- 1.12 m and 2.50…

Q: Refraction ... a) can be transformed into chemical energy, electrical energy, or thermal…

A: Given : To select correct option for the definition of the term Refraction.

Q: A woman on shore standing close to the sea water's edge looks toward the direction of the sea. If…

A:

Q: The person cannot see the objects beyond 15.0 cm distance from the eye. This means, the far point of…

A: It is given that a person cannot see the objects beyond 15 cm distance from the eye.

Q: An underwater scuba diver sees the Sun at an apparent angle of 33° from the vertical. What is the…

A:

Q: Fill in the blanks. A diverging lens has a focal length of –25 cm. A 5-cm object is placed 35 cm…

A:

Q: beam of light is incident from air on the surface of a liquid. If the angle of incidence is 37.0°…

A: Given: The angle of incident is 37o. The angle of refraction is 21.3o.

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: