Would refracting telescopes and microscopes magnify if light had the same speed in glass as in air? Defend your answer.

Q: Which of the two prisms. A made of crown glass and B made of flint glass, deviates a ray of light…

A: Prism B will deviate the ray of light more as flint glass has higher refractive index compared to…

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: Lenses such as those in microscopes and telescopes depend on which property of light?

A:

Q: How does reflection lead to the formation of images?

A:

Q: How is the law of reflection and refraction applied in health science?

A:

Q: A flashlight at the bottom of a swimming pool shines upward at an angle with the surface, as in the…

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: Does a diamond under water sparkle more or less than in air? Defend your answer.

A: Diamond shines less in air than in the water. The two major concepts are: Critical angle…

Q: Which kind of road surface is easier to see when driving at night- a pebbled, uneven surface or a…

A: As the light rays coming from the objects fall on the person’s eye, then the person can see the…

Q: Why does the wavelength of light decrease when it passes from vacuum into a medium? State which…

A:

Q: One technique for measuring the angle of a prism is A parallel beam of light is directed onto the…

A: To show: The angular separation of the two reflected beams is B=2A

Q: What is the image formed by a diverging lens? Converging lens?

A: We have to write the image produced by the converging lens and diverging lens

Q: Is there any angle at which light does not bend when it goes from air into glass? Explain.

A:

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: 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: Why does a clear pool of water always appears to be shallower than actual it is?

A: Let us assume a clear pool has a depth of 'd' meters.    To explain :  Why does the pool appears…

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

A: Answer:-  Refraction:- The change in direction of a wave passing from one medium to another medium…

Q: Why light is refracted when enter from one medium to another medium?

A: To determine:      Why light is refracted when enter from one medium to another medium?

Q: What will happen to the angle of refraction if light enters a medium of lower index of refraction

A:

Q: What is relative size of image and object?

A: Consider a same object kept at different distances from the eye.

Q: When a wide beam of parallel light enters water at an angle,the beam broadens. Explain.

A: When a wide beam of parallel light enters water at angle, it interacts over an area which is wider…

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

A:

Q: In the opening photo of the duck standing on the rock, why are the duck’s feet not shown in the…

A: As the reflection occurs at same position, the image of the feet formed at same place. The object…

Q: Is the speed of light in glass independent of the colour of light? If not, which of the two colours…

A:

Q: How does the angle at which a ray of light strikes a pane of window glass compare with the angle at…

A: A ray of light strikes on the surface of glass.

Q: When a fish in a pond looks upward at an angle of 45°, does it see the sky above the water’s surface…

A: A fish in the pond looks upwards at an angle of 45o.

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: 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: Show that when light reflects from two mirrors that meet each other at a right angle, the outgoing…

A:

Q: Discuss how Reflection and Refraction and the transmission of light are involved in our lives.

A: Reflection   We use mirrors on a daily basis, which works on the principle of reflection   Plane…

Q: - How many times will the incident beam shown in Figure be reflected by each of the parallel…

A: Height,H=1 m Distance between the mirror, L=1 m

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: What object position with respect to the single converging lens would result in a magnified real…

A: Object must be placed between between 2F(Centre of curvature) and  O( optical centre of lens) to…

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

A:

Q: Why does a high flying airplane cast little or no shadow on ground below while a low flying airplane…

A: An aeroplane cast little or no shadow when flying high above the ground whereas a low flying…

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: