What is meant by power of a lens?

Q: When does light not refract upon entering a different medium?

A: refraction of light

Q: What is the relationship between the angle of incidence and angle of refraction?

A:

Q: When a lens is called a magnifier?

A: The magnification ratio of a lens is the ratio of the size of the image to the size of the object.…

Q: What is reflection?

A: Reflection can be defiend in many ways:1. Reflection is a phenomena in which rays of light (or waves…

Q: What is the meaning of an Eyepiece?

A: Eyepiece is a combination of lenses which is part of an optical instruments at the eye end of any…

Q: How does the speed of light that emerges from a pane of glass compare with the speed of light…

A:

Q: Is a mirage the result of reflection or refraction?

A:

Q: How does the depth of focus at high power compare with the depth of focus at low power?

A: Introduction: The compound microscope is used to magnify an object to 1000 times it's original size.…

Q: What is meant by power of accommodation of the eye of a person

A: Power of accommodation : It is the maximum change in the focal length of eye lens so that near and…

Q: In the chromatic aberration of the lens, the focus of the blue color is closer to the focus of the…

A: lens will not focus different color in exactly the same place because the focal length depends on…

Q: Would refracting telescopes and microscopes magnify if light had the same speed in glass as in air?…

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

Q: What Is The Principle Of Reversibility of light?

A: The principle of reversibility of light states that light follows the same path if the direction of…

Q: The bending of light as it passes into a different medium is an example of:

A: Answer:  Refraction

Q: When does a convex lens act like a magnifying glass?

A:

Q: How does the average speed of light in glass compare with its speed in a vacuum?

A:

Q: The bending of light as it travels from one medium to another is called:

A: Solution: Step1 - Here we will understand the concept that will be used to solve the question. As we…

Q: What happens to a ray of light when it passes through a lens?

A: Lens can converge or diverge light.

Q: what are the three laws of refraction?

A: Given: what are the three laws of refraction

Q: In which medium does light travel fastest? O water O glass O vacuum diamond

A:

Q: What is the importance of the optical phenomenon?

A: Any observable events which are a result from  light's interaction & matter are considered to be…

Q: How does the distance from a page to a light bulb affect the amount of light that illuminates the…

A: The illumination of a light bulb depends on the intensity of the light bulb. Higher the intensity at…

Q: Why does light bend when it passes through different materials?

A: When light ray travels from one medium to another, its speed either increase or decrease this change…

Q: The lens nearest the viewer’s eye is called the________.

A: The lens nearest the viewer’s eye is called the Eyepiece . An eyepiece is the lens which is…

Q: what colour results when red light is subtracted from white light?

A: White light consists of mainly three primary colors – red, yellow, green.

Q: What is meant by scattering of light?

A:

Q: What is mirage?

A: Mirage is an optical illusion commonly occur in deserts and hot roads. It is caused by refraction of…

Q: State the law of reflection?

A: Figure.1 shows the case of a reflection.

Q: Is this lens diverging or converging?

A: converging lens is a lens if parallel rays after passing through it passes through focus point or…

Q: Will any light leave the top surface of the prism?

A:

Q: Why does light bend when it passes thru different materials?

A: According to question: Light bends only in a medium, i.e light bends as a consequence of interacting…

Q: How is angular magnification (or magnifying power) different from the magnification of an image by a…

A:

Q: What is meant by saying surface is optically flat?

A: The surface is said to be optically flat if it has good polished surface or in other words the…

Q: How a lens refracts light?

A: Refractive index of lens is greater than the refractive index of air. When light travels from a…

Q: Which characteristic of light remains unchanged when it travels from vacuum to some medium?

A: The velocity and wavelength changes as the medium changes. The frequency remains constant if the…

Q: What is reflection? kindly answer it on your own understanding.

A: We have seen many live examples of reflections in our day to day life. Reflection can be of…

Q: Which travels more slowly in glass , red light or violet light?

A: White light is a combination of all colours, using prism white light from our Sun can be separated…

Q: What is the sequence of colors when white light passes through prism?

A: The refraction of colors depends on the frequency it possesses because the refractive indices are…

Q: Why does the sharpness of the image in a pinhole camera not depend on the position of the viewing…

A: In case of lenses, light rays are focused into a single point to form an image. To obtain a sharp…

Q: does the corrective lense create virtual or real images?

A:

Q: Why does light refract when going from one media to another?

A: When light travels from one medium to another generally two important phenomena take place-…

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: